Exhibit 24
                               PENTON MEDIA, INC.

                       REGISTRATION STATEMENT ON FORM S-8
                                POWER OF ATTORNEY


         The undersigned officer and/or director of Penton Media, Inc., a
Delaware corporation (the "Registrant"), does hereby make, constitute and
appoint each of Thomas L. Kemp, Daniel J. Ramella and Preston L. Vice, with full
power of substitution and resubstitution, as attorney of the undersigned, to
execute and file (i) a Registration Statement on Form S-8 (the "Form S-8
Registration Statement") with respect to the registration under the Securities
Act, of shares of common stock of the Registrant issuable in connection with the
Registrant's 1998 Director Stock Option Plan (As Amended and Restated Effective
as of March 15, 2001), (ii) any and all amendments, including post-effective
amendments, and exhibits to the Form S-8 Registration Statement and (iii) any
and all applications or other documents to be filed with the Securities and
Exchange Commission or any state securities commission or other regulatory
authority with respect to the securities covered by the Form S-8 Registration
Statement, with full power and authority to do and perform any and all acts and
things whatsoever necessary, appropriate or desirable to be done in the
premises, or in the name, place and stead of the said director and/or officer,
hereby ratifying and approving the acts of said attorneys and any of them and
any such substitute.

         IN WITNESS WHEREOF, the undersigned have subscribed these presents as
of the 23rd day of April, 2002.

     Signature                             Title

      /s/ Thomas L. Kemp                   Chief Executive Officer and Director
     --------------------------            (Principal Executive Officer)
            Thomas L. Kemp

      /s/ Joseph NeCastro                  Chief Financial Officer
     --------------------------            (Principal Financial Officer)
            Joseph NeCastro

      /s/ Paul W. Brown                    Director
     --------------------------
            Paul W. Brown

      /s/ Daniel C. Budde                  Director
     --------------------------
            Daniel C. Budde

      /s/ Peni A. Garber                   Director
     --------------------------
            Peni A. Garber










      /s/ King Harris                      Director
     --------------------------
            King Harris

       /s/ John J. Meehan                  Director
     --------------------------
            John J. Meehan

      /s/ David B. Nussbaum                Director
     --------------------------
            David B. Nussbaum

      /s/ Daniel J. Ramella                Director
     --------------------------
            Daniel J. Ramella

      /s/ Edward J. Schwartz               Director
     --------------------------
            Edward J. Schwartz

      /s/ Hannah C. Stone                  Director
     --------------------------
            Hannah C. Stone

      /s/ William B. Summers               Director
     --------------------------
            William B. Summers

      /s/ Richard B. Swank                 Director
     --------------------------
            Richard B. Swank