EXHIBIT 24

                        GENEREX BIOTECHNOLOGY CORPORATION

                                POWER OF ATTORNEY

         Each person whose signature appears below hereby constitutes and
appoints Anna E. Gluskin, E. Mark Perri and Rose C. Perri, and each of them, his
or her true and lawful attorneys-in-fact and agents, with full power of
substitution and resubstitution, for him or her and in his or her name, place
and stead, in any and all capacities, in connection with any outstanding
securities of Generex Biotechnology Corporation (the "Company"), or any public
offering or other issuance of any securities of the Company authorized by the
Board of directors of the Company pursuant to due authorization by such Board,
(1) to execute and file, or cause to be filed, with the United States Securities
and Exchange Commission (the "Commission"), (A) registration statements and any
and all amendments (including post-effective amendments), and exhibits thereto
and any and all other documents in connection therewith as required by the
Commission in connection with such registration under the Securities Act of
1933, as amended, and (B) any report or other document required to be filed by
the Company with the Commission pursuant to the Securities Exchange Act of 1934,
as amended, (2) to execute and file, or cause to be filed, any application for
registration or exemption therefrom, any report or any other document required
to be filed by the Company under the Blue Sky or securities law of any state and
to furnish any other information required in connection therewith, (3) to
execute and file, or cause to be filed, any application for registration or
exemption therefrom under the securities laws of any jurisdiction outside the
United States of America, including any reports or other documents required to
be filed subsequent to the issuance of such securities, and (4) to execute and
file, or cause to be filed, any application for listing such securities on the
Nasdaq National Market, or any other securities exchange in any other
jurisdiction where any such securities are proposed to be sold, granting to such
attorneys-in-fact and agents, and each of them, full power and authority to do
and perform each and every act required to be done as he or she might or could
do in person, hereby ratifying and confirming all that such attorneys-in-fact
and agents, and each of them, may lawfully do or cause to be done by virtue of
this power of attorney. Each person whose signature appears below may at any
time revoke this power of attorney as to himself or herself only by an
instrument in writing specifying that this power of attorney is revoked as to
him or her as of the date of execution of such instrument or at a subsequent
specified date. This power of attorney shall be revoked automatically with
respect to any person whose signature appears below effective on the date he or
she ceases to be a member of the Board of Directors or an officer of the
Company. Any revocation hereof shall not void or otherwise affect any acts
performed by any attorney-in-fact and agent named herein pursuant to this power
of attorney prior to the effective date of such revocation.

Dated:  October 23, 2001


SIGNATURE                        TITLE
---------                        ------

/s/ Anna E. Gluskin              President, Chief Executive Officer and Director
---------------------------
Anna E. Gluskin

/s/ E. Mark Perri                Vice President, Chief Financial Officer
---------------------------      and Director
E. Mark Perri

/s/ Rose C. Perri                Chief Operating Officer, Treasurer,
---------------------------      Secretary and Director
Rose C. Perri

/s/ Pankaj Modi, Ph.D.           Vice President, Research and Development
---------------------------      and Director
Pankaj Modi, Ph.D.

/s/ Michael Hawke, M.D.          Director
---------------------------
Michael Hawke, M.D.

 /s/ Ivan M. Lieberburg          Director
---------------------------
Ivan M. Lieberburg

 /s/ Jan Michael Rosen           Director
---------------------------
Jan Michael Rosen