Exhibit 24

                                POWER OF ATTORNEY

            The undersigned, a Director of Marsh & McLennan Companies, Inc., a
Delaware corporation (the "Company"), does hereby constitute and appoint any one
of A. J. C. Smith, Frank J. Borelli and Gregory F. Van Gundy to be the
undersigned's agent and attorney-in-fact, each with the power to act fully
hereunder without the other and with full power of substitution to act in the
name and on behalf of the undersigned:

           To sign or to  transmit  electronically  in the name and on behalf of
           the  undersigned,  as a Director  of the  Company,  and file with the
           Securities and Exchange Commission on behalf of the Company an Annual
           Report  on Form  10-K for the  year  ended  December  31,  1996,  any
           registration  statements for the registration of the Company's common
           stock and related  interests to be issued  pursuant to the  Company's
           duly adopted  employee  benefit,  compensation  and stock plans,  any
           registration  statements for the registration of the Company's common
           stock for  issuance in  connection  with future  acquisitions  or for
           resale by the holders thereof who acquired or will acquire such stock
           in connection with past or future acquisitions, and any amendments or
           supplements to such Annual Report on Form 10-K and such  registration
           statements; and

           To  execute  and   deliver,   either   through  a  paper   filing  or
           electronically,  any agreements,  instruments,  certificates or other
           documents  which they shall deem  necessary  or proper in  connection
           with the  filing of such  Annual  Report on Form  10-K,  registration
           statements and prospectuses and amendments or supplements thereto and
           generally to act for and in the name of the undersigned  with respect
           to such filings as fully as could the  undersigned if then personally
           present and acting.

            IN WITNESS WHEREOF, the undersigned has executed this Power of
Attorney effective the 20th day of March, 1997.


                               /s/ Lewis W. Bernard
                               --------------------
                               Lewis W. Bernard


                                POWER OF ATTORNEY

            The undersigned, a Director of Marsh & McLennan Companies, Inc., a
Delaware corporation (the "Company"), does hereby constitute and appoint any one
of A. J. C. Smith, Frank J. Borelli and Gregory F. Van Gundy to be the
undersigned's agent and attorney-in-fact, each with the power to act fully
hereunder without the other and with full power of substitution to act in the
name and on behalf of the undersigned:

           To sign or to  transmit  electronically  in the name and on behalf of
           the  undersigned,  as a Director  of the  Company,  and file with the
           Securities and Exchange Commission on behalf of the Company an Annual
           Report  on Form  10-K for the  year  ended  December  31,  1996,  any
           registration  statements for the registration of the Company's common
           stock and related  interests to be issued  pursuant to the  Company's
           duly adopted  employee  benefit,  compensation  and stock plans,  any
           registration  statements for the registration of the Company's common
           stock for  issuance in  connection  with future  acquisitions  or for
           resale by the holders thereof who acquired or will acquire such stock
           in connection with past or future acquisitions, and any amendments or
           supplements to such Annual Report on Form 10-K and such  registration
           statements; and

           To  execute  and   deliver,   either   through  a  paper   filing  or
           electronically,  any agreements,  instruments,  certificates or other
           documents  which they shall deem  necessary  or proper in  connection
           with the  filing of such  Annual  Report on Form  10-K,  registration
           statements and prospectuses and amendments or supplements thereto and
           generally to act for and in the name of the undersigned  with respect
           to such filings as fully as could the  undersigned if then personally
           present and acting.

           IN  WITNESS  WHEREOF,  the  undersigned  has  executed  this Power of
Attorney effective the 20th day of March, 1997.


                               /s/ Richard H. Blum
                               -------------------
                               Richard H. Blum


                                POWER OF ATTORNEY

            The undersigned, a Director of Marsh & McLennan Companies, Inc., a
Delaware corporation (the "Company"), does hereby constitute and appoint any one
of A. J. C. Smith, Frank J. Borelli and Gregory F. Van Gundy to be the
undersigned's agent and attorney-in-fact, each with the power to act fully
hereunder without the other and with full power of substitution to act in the
name and on behalf of the undersigned:

           To sign or to  transmit  electronically  in the name and on behalf of
           the  undersigned,  as a Director  of the  Company,  and file with the
           Securities and Exchange Commission on behalf of the Company an Annual
           Report  on Form  10-K for the  year  ended  December  31,  1996,  any
           registration  statements for the registration of the Company's common
           stock and related  interests to be issued  pursuant to the  Company's
           duly adopted  employee  benefit,  compensation  and stock plans,  any
           registration  statements for the registration of the Company's common
           stock for  issuance in  connection  with future  acquisitions  or for
           resale by the holders thereof who acquired or will acquire such stock
           in connection with past or future acquisitions, and any amendments or
           supplements to such Annual Report on Form 10-K and such  registration
           statements; and

           To  execute  and   deliver,   either   through  a  paper   filing  or
           electronically,  any agreements,  instruments,  certificates or other
           documents  which they shall deem  necessary  or proper in  connection
           with the  filing of such  Annual  Report on Form  10-K,  registration
           statements and prospectuses and amendments or supplements thereto and
           generally to act for and in the name of the undersigned  with respect
           to such filings as fully as could the  undersigned if then personally
           present and acting.

           IN  WITNESS  WHEREOF,  the  undersigned  has  executed  this Power of
Attorney effective the 20th day of March, 1997.


                               /s/ Frank J. Borelli
                               --------------------
                               Frank J. Borelli


                                POWER OF ATTORNEY

            The undersigned, a Director of Marsh & McLennan Companies, Inc., a
Delaware corporation (the "Company"), does hereby constitute and appoint any one
of A. J. C. Smith, Frank J. Borelli and Gregory F. Van Gundy to be the
undersigned's agent and attorney-in-fact, each with the power to act fully
hereunder without the other and with full power of substitution to act in the
name and on behalf of the undersigned:

           To sign or to  transmit  electronically  in the name and on behalf of
           the  undersigned,  as a Director  of the  Company,  and file with the
           Securities and Exchange Commission on behalf of the Company an Annual
           Report  on Form  10-K for the  year  ended  December  31,  1996,  any
           registration  statements for the registration of the Company's common
           stock and related  interests to be issued  pursuant to the  Company's
           duly adopted  employee  benefit,  compensation  and stock plans,  any
           registration  statements for the registration of the Company's common
           stock for  issuance in  connection  with future  acquisitions  or for
           resale by the holders thereof who acquired or will acquire such stock
           in connection with past or future acquisitions, and any amendments or
           supplements to such Annual Report on Form 10-K and such  registration
           statements; and

           To  execute  and   deliver,   either   through  a  paper   filing  or
           electronically,  any agreements,  instruments,  certificates or other
           documents  which they shall deem  necessary  or proper in  connection
           with the  filing of such  Annual  Report on Form  10-K,  registration
           statements and prospectuses and amendments or supplements thereto and
           generally to act for and in the name of the undersigned  with respect
           to such filings as fully as could the  undersigned if then personally
           present and acting.

           IN  WITNESS  WHEREOF,  the  undersigned  has  executed  this Power of
Attorney effective the 20th day of March, 1997.


                               /s/ Robert Clements
                               -------------------
                               Robert Clements


                                POWER OF ATTORNEY

            The undersigned, a Director of Marsh & McLennan Companies, Inc., a
Delaware corporation (the "Company"), does hereby constitute and appoint any one
of A. J. C. Smith, Frank J. Borelli and Gregory F. Van Gundy to be the
undersigned's agent and attorney-in-fact, each with the power to act fully
hereunder without the other and with full power of substitution to act in the
name and on behalf of the undersigned:

           To sign or to  transmit  electronically  in the name and on behalf of
           the  undersigned,  as a Director  of the  Company,  and file with the
           Securities and Exchange Commission on behalf of the Company an Annual
           Report  on Form  10-K for the  year  ended  December  31,  1996,  any
           registration  statements for the registration of the Company's common
           stock and related  interests to be issued  pursuant to the  Company's
           duly adopted  employee  benefit,  compensation  and stock plans,  any
           registration  statements for the registration of the Company's common
           stock for  issuance in  connection  with future  acquisitions  or for
           resale by the holders thereof who acquired or will acquire such stock
           in connection with past or future acquisitions, and any amendments or
           supplements to such Annual Report on Form 10-K and such  registration
           statements; and

           To  execute  and   deliver,   either   through  a  paper   filing  or
           electronically,  any agreements,  instruments,  certificates or other
           documents  which they shall deem  necessary  or proper in  connection
           with the  filing of such  Annual  Report on Form  10-K,  registration
           statements and prospectuses and amendments or supplements thereto and
           generally to act for and in the name of the undersigned  with respect
           to such filings as fully as could the  undersigned if then personally
           present and acting.

           IN  WITNESS  WHEREOF,  the  undersigned  has  executed  this Power of
Attorney effective the 20th day of March, 1997.


                               /s/ Peter Coster
                               ----------------
                                  Peter Coster


                                POWER OF ATTORNEY

            The undersigned, a Director of Marsh & McLennan Companies, Inc., a
Delaware corporation (the "Company"), does hereby constitute and appoint any one
of A. J. C. Smith, Frank J. Borelli and Gregory F. Van Gundy to be the
undersigned's agent and attorney-in-fact, each with the power to act fully
hereunder without the other and with full power of substitution to act in the
name and on behalf of the undersigned:

           To sign or to  transmit  electronically  in the name and on behalf of
           the  undersigned,  as a Director  of the  Company,  and file with the
           Securities and Exchange Commission on behalf of the Company an Annual
           Report  on Form  10-K for the  year  ended  December  31,  1996,  any
           registration  statements for the registration of the Company's common
           stock and related  interests to be issued  pursuant to the  Company's
           duly adopted  employee  benefit,  compensation  and stock plans,  any
           registration  statements for the registration of the Company's common
           stock for  issuance in  connection  with future  acquisitions  or for
           resale by the holders thereof who acquired or will acquire such stock
           in connection with past or future acquisitions, and any amendments or
           supplements to such Annual Report on Form 10-K and such  registration
           statements; and

           To  execute  and   deliver,   either   through  a  paper   filing  or
           electronically,  any agreements,  instruments,  certificates or other
           documents  which they shall deem  necessary  or proper in  connection
           with the  filing of such  Annual  Report on Form  10-K,  registration
           statements and prospectuses and amendments or supplements thereto and
           generally to act for and in the name of the undersigned  with respect
           to such filings as fully as could the  undersigned if then personally
           present and acting.

           IN  WITNESS  WHEREOF,  the  undersigned  has  executed  this Power of
Attorney effective the 20th day of March, 1997.


                               /s/ Robert F. Erburu
                               --------------------
                               Robert F. Erburu


                                POWER OF ATTORNEY

            The undersigned, a Director of Marsh & McLennan Companies, Inc., a
Delaware corporation (the "Company"), does hereby constitute and appoint any one
of A. J. C. Smith, Frank J. Borelli and Gregory F. Van Gundy to be the
undersigned's agent and attorney-in-fact, each with the power to act fully
hereunder without the other and with full power of substitution to act in the
name and on behalf of the undersigned:

           To sign or to  transmit  electronically  in the name and on behalf of
           the  undersigned,  as a Director  of the  Company,  and file with the
           Securities and Exchange Commission on behalf of the Company an Annual
           Report  on Form  10-K for the  year  ended  December  31,  1996,  any
           registration  statements for the registration of the Company's common
           stock and related  interests to be issued  pursuant to the  Company's
           duly adopted  employee  benefit,  compensation  and stock plans,  any
           registration  statements for the registration of the Company's common
           stock for  issuance in  connection  with future  acquisitions  or for
           resale by the holders thereof who acquired or will acquire such stock
           in connection with past or future acquisitions, and any amendments or
           supplements to such Annual Report on Form 10-K and such  registration
           statements; and

           To  execute  and   deliver,   either   through  a  paper   filing  or
           electronically,  any agreements,  instruments,  certificates or other
           documents  which they shall deem  necessary  or proper in  connection
           with the  filing of such  Annual  Report on Form  10-K,  registration
           statements and prospectuses and amendments or supplements thereto and
           generally to act for and in the name of the undersigned  with respect
           to such filings as fully as could the  undersigned if then personally
           present and acting.

           IN  WITNESS  WHEREOF,  the  undersigned  has  executed  this Power of
Attorney effective the 20th day of March, 1997.


                               /s/ Jeffrey W. Greenberg
                               ------------------------
                               Jeffrey W. Greenberg


                                POWER OF ATTORNEY

            The undersigned, a Director of Marsh & McLennan Companies, Inc., a
Delaware corporation (the "Company"), does hereby constitute and appoint any one
of A. J. C. Smith, Frank J. Borelli and Gregory F. Van Gundy to be the
undersigned's agent and attorney-in-fact, each with the power to act fully
hereunder without the other and with full power of substitution to act in the
name and on behalf of the undersigned:

           To sign or to  transmit  electronically  in the name and on behalf of
           the  undersigned,  as a Director  of the  Company,  and file with the
           Securities and Exchange Commission on behalf of the Company an Annual
           Report  on Form  10-K for the  year  ended  December  31,  1996,  any
           registration  statements for the registration of the Company's common
           stock and related  interests to be issued  pursuant to the  Company's
           duly adopted  employee  benefit,  compensation  and stock plans,  any
           registration  statements for the registration of the Company's common
           stock for  issuance in  connection  with future  acquisitions  or for
           resale by the holders thereof who acquired or will acquire such stock
           in connection with past or future acquisitions, and any amendments or
           supplements to such Annual Report on Form 10-K and such  registration
           statements; and

           To  execute  and   deliver,   either   through  a  paper   filing  or
           electronically,  any agreements,  instruments,  certificates or other
           documents  which they shall deem  necessary  or proper in  connection
           with the  filing of such  Annual  Report on Form  10-K,  registration
           statements and prospectuses and amendments or supplements thereto and
           generally to act for and in the name of the undersigned  with respect
           to such filings as fully as could the  undersigned if then personally
           present and acting.

           IN  WITNESS  WHEREOF,  the  undersigned  has  executed  this Power of
Attorney effective the 20th day of March, 1997.


                               /s/ R.J. Groves
                               ---------------
                                  R. J. Groves


                                POWER OF ATTORNEY

            The undersigned, a Director of Marsh & McLennan Companies, Inc., a
Delaware corporation (the "Company"), does hereby constitute and appoint any one
of A. J. C. Smith, Frank J. Borelli and Gregory F. Van Gundy to be the
undersigned's agent and attorney-in-fact, each with the power to act fully
hereunder without the other and with full power of substitution to act in the
name and on behalf of the undersigned:

           To sign or to  transmit  electronically  in the name and on behalf of
           the  undersigned,  as a Director  of the  Company,  and file with the
           Securities and Exchange Commission on behalf of the Company an Annual
           Report  on Form  10-K for the  year  ended  December  31,  1996,  any
           registration  statements for the registration of the Company's common
           stock and related  interests to be issued  pursuant to the  Company's
           duly adopted  employee  benefit,  compensation  and stock plans,  any
           registration  statements for the registration of the Company's common
           stock for  issuance in  connection  with future  acquisitions  or for
           resale by the holders thereof who acquired or will acquire such stock
           in connection with past or future acquisitions, and any amendments or
           supplements to such Annual Report on Form 10-K and such  registration
           statements; and

           To  execute  and   deliver,   either   through  a  paper   filing  or
           electronically,  any agreements,  instruments,  certificates or other
           documents  which they shall deem  necessary  or proper in  connection
           with the  filing of such  Annual  Report on Form  10-K,  registration
           statements and prospectuses and amendments or supplements thereto and
           generally to act for and in the name of the undersigned  with respect
           to such filings as fully as could the  undersigned if then personally
           present and acting.

           IN  WITNESS  WHEREOF,  the  undersigned  has  executed  this Power of
Attorney effective the 20th day of March, 1997.


                               /s/ Richard S. Hickok
                               ---------------------
                               Richard S. Hickok


                                POWER OF ATTORNEY

            The undersigned, a Director of Marsh & McLennan Companies, Inc., a
Delaware corporation (the "Company"), does hereby constitute and appoint any one
of A. J. C. Smith, Frank J. Borelli and Gregory F. Van Gundy to be the
undersigned's agent and attorney-in-fact, each with the power to act fully
hereunder without the other and with full power of substitution to act in the
name and on behalf of the undersigned:

           To sign or to  transmit  electronically  in the name and on behalf of
           the  undersigned,  as a Director  of the  Company,  and file with the
           Securities and Exchange Commission on behalf of the Company an Annual
           Report  on Form  10-K for the  year  ended  December  31,  1996,  any
           registration  statements for the registration of the Company's common
           stock and related  interests to be issued  pursuant to the  Company's
           duly adopted  employee  benefit,  compensation  and stock plans,  any
           registration  statements for the registration of the Company's common
           stock for  issuance in  connection  with future  acquisitions  or for
           resale by the holders thereof who acquired or will acquire such stock
           in connection with past or future acquisitions, and any amendments or
           supplements to such Annual Report on Form 10-K and such  registration
           statements; and

           To  execute  and   deliver,   either   through  a  paper   filing  or
           electronically,  any agreements,  instruments,  certificates or other
           documents  which they shall deem  necessary  or proper in  connection
           with the  filing of such  Annual  Report on Form  10-K,  registration
           statements and prospectuses and amendments or supplements thereto and
           generally to act for and in the name of the undersigned  with respect
           to such filings as fully as could the  undersigned if then personally
           present and acting.

           IN  WITNESS  WHEREOF,  the  undersigned  has  executed  this Power of
Attorney effective the 20th day of March, 1997.


                               /s/ David D. Holbrook
                               ---------------------
                               David D. Holbrook


                                POWER OF ATTORNEY

            The undersigned, a Director of Marsh & McLennan Companies, Inc., a
Delaware corporation (the "Company"), does hereby constitute and appoint any one
of A. J. C. Smith, Frank J. Borelli and Gregory F. Van Gundy to be the
undersigned's agent and attorney-in-fact, each with the power to act fully
hereunder without the other and with full power of substitution to act in the
name and on behalf of the undersigned:

           To sign or to  transmit  electronically  in the name and on behalf of
           the  undersigned,  as a Director  of the  Company,  and file with the
           Securities and Exchange Commission on behalf of the Company an Annual
           Report  on Form  10-K for the  year  ended  December  31,  1996,  any
           registration  statements for the registration of the Company's common
           stock and related  interests to be issued  pursuant to the  Company's
           duly adopted  employee  benefit,  compensation  and stock plans,  any
           registration  statements for the registration of the Company's common
           stock for  issuance in  connection  with future  acquisitions  or for
           resale by the holders thereof who acquired or will acquire such stock
           in connection with past or future acquisitions, and any amendments or
           supplements to such Annual Report on Form 10-K and such  registration
           statements; and

           To  execute  and   deliver,   either   through  a  paper   filing  or
           electronically,  any agreements,  instruments,  certificates or other
           documents  which they shall deem  necessary  or proper in  connection
           with the  filing of such  Annual  Report on Form  10-K,  registration
           statements and prospectuses and amendments or supplements thereto and
           generally to act for and in the name of the undersigned  with respect
           to such filings as fully as could the  undersigned if then personally
           present and acting.

           IN  WITNESS  WHEREOF,  the  undersigned  has  executed  this Power of
Attorney effective the 20th day of March, 1997.


                               /s/ Lawrence J. Lasser
                               ----------------------
                               Lawrence J. Lasser


                                POWER OF ATTORNEY

            The undersigned, a Director of Marsh & McLennan Companies, Inc., a
Delaware corporation (the "Company"), does hereby constitute and appoint any one
of A. J. C. Smith, Frank J. Borelli and Gregory F. Van Gundy to be the
undersigned's agent and attorney-in-fact, each with the power to act fully
hereunder without the other and with full power of substitution to act in the
name and on behalf of the undersigned:

           To sign or to  transmit  electronically  in the name and on behalf of
           the  undersigned,  as a Director  of the  Company,  and file with the
           Securities and Exchange Commission on behalf of the Company an Annual
           Report  on Form  10-K for the  year  ended  December  31,  1996,  any
           registration  statements for the registration of the Company's common
           stock and related  interests to be issued  pursuant to the  Company's
           duly adopted  employee  benefit,  compensation  and stock plans,  any
           registration  statements for the registration of the Company's common
           stock for  issuance in  connection  with future  acquisitions  or for
           resale by the holders thereof who acquired or will acquire such stock
           in connection with past or future acquisitions, and any amendments or
           supplements to such Annual Report on Form 10-K and such  registration
           statements; and

           To  execute  and   deliver,   either   through  a  paper   filing  or
           electronically,  any agreements,  instruments,  certificates or other
           documents  which they shall deem  necessary  or proper in  connection
           with the  filing of such  Annual  Report on Form  10-K,  registration
           statements and prospectuses and amendments or supplements thereto and
           generally to act for and in the name of the undersigned  with respect
           to such filings as fully as could the  undersigned if then personally
           present and acting.

           IN  WITNESS  WHEREOF,  the  undersigned  has  executed  this Power of
Attorney effective the 20th day of March, 1997.


                               /s/ Richard M. Morrow
                               ---------------------
                               Richard M. Morrow


                                POWER OF ATTORNEY

            The undersigned, a Director of Marsh & McLennan Companies, Inc., a
Delaware corporation (the "Company"), does hereby constitute and appoint any one
of A. J. C. Smith, Frank J. Borelli and Gregory F. Van Gundy to be the
undersigned's agent and attorney-in-fact, each with the power to act fully
hereunder without the other and with full power of substitution to act in the
name and on behalf of the undersigned:

           To sign or to  transmit  electronically  in the name and on behalf of
           the  undersigned,  as a Director  of the  Company,  and file with the
           Securities and Exchange Commission on behalf of the Company an Annual
           Report  on Form  10-K for the  year  ended  December  31,  1996,  any
           registration  statements for the registration of the Company's common
           stock and related  interests to be issued  pursuant to the  Company's
           duly adopted  employee  benefit,  compensation  and stock plans,  any
           registration  statements for the registration of the Company's common
           stock for  issuance in  connection  with future  acquisitions  or for
           resale by the holders thereof who acquired or will acquire such stock
           in connection with past or future acquisitions, and any amendments or
           supplements to such Annual Report on Form 10-K and such  registration
           statements; and

           To  execute  and   deliver,   either   through  a  paper   filing  or
           electronically,  any agreements,  instruments,  certificates or other
           documents  which they shall deem  necessary  or proper in  connection
           with the  filing of such  Annual  Report on Form  10-K,  registration
           statements and prospectuses and amendments or supplements thereto and
           generally to act for and in the name of the undersigned  with respect
           to such filings as fully as could the  undersigned if then personally
           present and acting.

           IN  WITNESS  WHEREOF,  the  undersigned  has  executed  this Power of
Attorney effective the 20th day of March, 1997.


                               /s/ George Putnam
                               -----------------
                                  George Putnam


                                POWER OF ATTORNEY

            The undersigned, a Director of Marsh & McLennan Companies, Inc., a
Delaware corporation (the "Company"), does hereby constitute and appoint any one
of A. J. C. Smith, Frank J. Borelli and Gregory F. Van Gundy to be the
undersigned's agent and attorney-in-fact, each with the power to act fully
hereunder without the other and with full power of substitution to act in the
name and on behalf of the undersigned:

           To sign or to  transmit  electronically  in the name and on behalf of
           the  undersigned,  as a Director  of the  Company,  and file with the
           Securities and Exchange Commission on behalf of the Company an Annual
           Report  on Form  10-K for the  year  ended  December  31,  1996,  any
           registration  statements for the registration of the Company's common
           stock and related  interests to be issued  pursuant to the  Company's
           duly adopted  employee  benefit,  compensation  and stock plans,  any
           registration  statements for the registration of the Company's common
           stock for  issuance in  connection  with future  acquisitions  or for
           resale by the holders thereof who acquired or will acquire such stock
           in connection with past or future acquisitions, and any amendments or
           supplements to such Annual Report on Form 10-K and such  registration
           statements; and

           To  execute  and   deliver,   either   through  a  paper   filing  or
           electronically,  any agreements,  instruments,  certificates or other
           documents  which they shall deem  necessary  or proper in  connection
           with the  filing of such  Annual  Report on Form  10-K,  registration
           statements and prospectuses and amendments or supplements thereto and
           generally to act for and in the name of the undersigned  with respect
           to such filings as fully as could the  undersigned if then personally
           present and acting.

           IN  WITNESS  WHEREOF,  the  undersigned  has  executed  this Power of
Attorney effective the 20th day of March, 1997.


                               /s/ Adele Smith Simmons
                               -----------------------
                               Adele Smith Simmons


                                POWER OF ATTORNEY

            The undersigned, a Director of Marsh & McLennan Companies, Inc., a
Delaware corporation (the "Company"), does hereby constitute and appoint any one
of A. J. C. Smith, Frank J. Borelli and Gregory F. Van Gundy to be the
undersigned's agent and attorney-in-fact, each with the power to act fully
hereunder without the other and with full power of substitution to act in the
name and on behalf of the undersigned:

           To sign or to  transmit  electronically  in the name and on behalf of
           the  undersigned,  as a Director  of the  Company,  and file with the
           Securities and Exchange Commission on behalf of the Company an Annual
           Report  on Form  10-K for the  year  ended  December  31,  1996,  any
           registration  statements for the registration of the Company's common
           stock and related  interests to be issued  pursuant to the  Company's
           duly adopted  employee  benefit,  compensation  and stock plans,  any
           registration  statements for the registration of the Company's common
           stock for  issuance in  connection  with future  acquisitions  or for
           resale by the holders thereof who acquired or will acquire such stock
           in connection with past or future acquisitions, and any amendments or
           supplements to such Annual Report on Form 10-K and such  registration
           statements; and

           To  execute  and   deliver,   either   through  a  paper   filing  or
           electronically,  any agreements,  instruments,  certificates or other
           documents  which they shall deem  necessary  or proper in  connection
           with the  filing of such  Annual  Report on Form  10-K,  registration
           statements and prospectuses and amendments or supplements thereto and
           generally to act for and in the name of the undersigned  with respect
           to such filings as fully as could the  undersigned if then personally
           present and acting.

           IN  WITNESS  WHEREOF,  the  undersigned  has  executed  this Power of
Attorney effective the 20th day of March, 1997.


                               /s/ John T. Sinnott
                               -------------------
                               John T. Sinnott


                                POWER OF ATTORNEY

            The undersigned, a Director of Marsh & McLennan Companies, Inc., a
Delaware corporation (the "Company"), does hereby constitute and appoint any one
of A. J. C. Smith, Frank J. Borelli and Gregory F. Van Gundy to be the
undersigned's agent and attorney-in-fact, each with the power to act fully
hereunder without the other and with full power of substitution to act in the
name and on behalf of the undersigned:

           To sign or to  transmit  electronically  in the name and on behalf of
           the  undersigned,  as a Director  of the  Company,  and file with the
           Securities and Exchange Commission on behalf of the Company an Annual
           Report  on Form  10-K for the  year  ended  December  31,  1996,  any
           registration  statements for the registration of the Company's common
           stock and related  interests to be issued  pursuant to the  Company's
           duly adopted  employee  benefit,  compensation  and stock plans,  any
           registration  statements for the registration of the Company's common
           stock for  issuance in  connection  with future  acquisitions  or for
           resale by the holders thereof who acquired or will acquire such stock
           in connection with past or future acquisitions, and any amendments or
           supplements to such Annual Report on Form 10-K and such  registration
           statements; and

           To  execute  and   deliver,   either   through  a  paper   filing  or
           electronically,  any agreements,  instruments,  certificates or other
           documents  which they shall deem  necessary  or proper in  connection
           with the  filing of such  Annual  Report on Form  10-K,  registration
           statements and prospectuses and amendments or supplements thereto and
           generally to act for and in the name of the undersigned  with respect
           to such filings as fully as could the  undersigned if then personally
           present and acting.

           IN  WITNESS  WHEREOF,  the  undersigned  has  executed  this Power of
Attorney effective the 20th day of March, 1997.


                               /s/ A. J. C. Smith
                               ------------------
                               A. J. C. Smith


                                POWER OF ATTORNEY

            The undersigned, a Director of Marsh & McLennan Companies, Inc., a
Delaware corporation (the "Company"), does hereby constitute and appoint any one
of A. J. C. Smith, Frank J. Borelli and Gregory F. Van Gundy to be the
undersigned's agent and attorney-in-fact, each with the power to act fully
hereunder without the other and with full power of substitution to act in the
name and on behalf of the undersigned:

           To sign or to  transmit  electronically  in the name and on behalf of
           the  undersigned,  as a Director  of the  Company,  and file with the
           Securities and Exchange Commission on behalf of the Company an Annual
           Report  on Form  10-K for the  year  ended  December  31,  1996,  any
           registration  statements for the registration of the Company's common
           stock and related  interests to be issued  pursuant to the  Company's
           duly adopted  employee  benefit,  compensation  and stock plans,  any
           registration  statements for the registration of the Company's common
           stock for  issuance in  connection  with future  acquisitions  or for
           resale by the holders thereof who acquired or will acquire such stock
           in connection with past or future acquisitions, and any amendments or
           supplements to such Annual Report on Form 10-K and such  registration
           statements; and

           To  execute  and   deliver,   either   through  a  paper   filing  or
           electronically,  any agreements,  instruments,  certificates or other
           documents  which they shall deem  necessary  or proper in  connection
           with the  filing of such  Annual  Report on Form  10-K,  registration
           statements and prospectuses and amendments or supplements thereto and
           generally to act for and in the name of the undersigned  with respect
           to such filings as fully as could the  undersigned if then personally
           present and acting.

           IN  WITNESS  WHEREOF,  the  undersigned  has  executed  this Power of
Attorney effective the 20th day of March, 1997.


                               /s/ Frank J. Tasco
                               ------------------
                                 Frank J. Tasco


                                POWER OF ATTORNEY

            The undersigned, a Director of Marsh & McLennan Companies, Inc., a
Delaware corporation (the "Company"), does hereby constitute and appoint any one
of A. J. C. Smith, Frank J. Borelli and Gregory F. Van Gundy to be the
undersigned's agent and attorney-in-fact, each with the power to act fully
hereunder without the other and with full power of substitution to act in the
name and on behalf of the undersigned:

           To sign or to  transmit  electronically  in the name and on behalf of
           the  undersigned,  as a Director  of the  Company,  and file with the
           Securities and Exchange Commission on behalf of the Company an Annual
           Report  on Form  10-K for the  year  ended  December  31,  1996,  any
           registration  statements for the registration of the Company's common
           stock and related  interests to be issued  pursuant to the  Company's
           duly adopted  employee  benefit,  compensation  and stock plans,  any
           registration  statements for the registration of the Company's common
           stock for  issuance in  connection  with future  acquisitions  or for
           resale by the holders thereof who acquired or will acquire such stock
           in connection with past or future acquisitions, and any amendments or
           supplements to such Annual Report on Form 10-K and such  registration
           statements; and

           To  execute  and   deliver,   either   through  a  paper   filing  or
           electronically,  any agreements,  instruments,  certificates or other
           documents  which they shall deem  necessary  or proper in  connection
           with the  filing of such  Annual  Report on Form  10-K,  registration
           statements and prospectuses and amendments or supplements thereto and
           generally to act for and in the name of the undersigned  with respect
           to such filings as fully as could the  undersigned if then personally
           present and acting.

           IN  WITNESS  WHEREOF,  the  undersigned  has  executed  this Power of
Attorney effective the 20th day of March, 1997.


                               /s/ Romeo J. Ventres
                               --------------------
                               Romeo J. Ventres