<PAGE>   1
                                                                      EXHIBIT 24


                                POWER OF ATTORNEY
                                -----------------

         I, the undersigned Director and/or Officer of Cerion Technologies Inc.
(the "Company"), hereby severally constitute and appoint Richard A. Clark, Vice
President-Finance, Chief Financial Officer and Treasurer, my true and lawful
attorney and agent to sign for me, and in my name and in the capacity or
capacities indicated below (A) the Company's Annual Report on Form 10-K for the
fiscal year ended December 31, 1997.

         Signature                          Title                     Date
         ---------                          -----                     ----


  /s/  DAVID A. PETERSON                  Director             February 12, 1998
---------------------------       -----------------------      -----------------
David A. Peterson


<PAGE>   2


                                                                      EXHIBIT 24


                                POWER OF ATTORNEY
                                -----------------

         I, the undersigned Director and/or Officer of Cerion Technologies Inc.
(the "Company"), hereby severally constitute and appoint Richard A. Clark, Vice
President-Finance, Chief Financial Officer and Treasurer, my true and lawful
attorney and agent to sign for me, and in my name and in the capacity or
capacities indicated below (A) the Company's Annual Report on Form 10-K for the
fiscal year ended December 31, 1997.

         Signature                          Title                     Date
         ---------                          -----                     ----


  /s/  DANIEL M. JUNIUS                   Director              February 1, 1998
---------------------------       -----------------------       ----------------
Daniel M. Junius


<PAGE>   3


                                                                      EXHIBIT 24


                                POWER OF ATTORNEY
                                -----------------

         I, the undersigned Director and/or Officer of Cerion Technologies Inc.
(the "Company"), hereby severally constitute and appoint Richard A. Clark, Vice
President-Finance, Chief Financial Officer and Treasurer, my true and lawful
attorney and agent to sign for me, and in my name and in the capacity or
capacities indicated below (A) the Company's Annual Report on Form 10-K for the
fiscal year ended December 31, 1997.

         Signature                          Title                     Date
         ---------                          -----                     ----


  /s/  SHELDON A. BUCKLER                 Director              February 2, 1998
---------------------------       -----------------------       ----------------
Sheldon A. Buckler


<PAGE>   4


                                                                      EXHIBIT 24


                                POWER OF ATTORNEY
                                -----------------

         I, the undersigned Director and/or Officer of Cerion Technologies Inc.
(the "Company"), hereby severally constitute and appoint Richard A. Clark, Vice
President-Finance, Chief Financial Officer and Treasurer, my true and lawful
attorney and agent to sign for me, and in my name and in the capacity or
capacities indicated below (A) the Company's Annual Report on Form 10-K for the
fiscal year ended December 31, 1997.

         Signature                          Title                     Date
         ---------                          -----                     ----


  /s/  ROSS W. MANIRE                     Director              February 1, 1998
---------------------------       -----------------------       ----------------
Ross W. Manire


<PAGE>   5


                                                                      EXHIBIT 24


                                POWER OF ATTORNEY
                                -----------------

         I, the undersigned Director and/or Officer of Cerion Technologies Inc.
(the "Company"), hereby severally constitute and appoint Richard A. Clark, Vice
President-Finance, Chief Financial Officer and Treasurer, my true and lawful
attorney and agent to sign for me, and in my name and in the capacity or
capacities indicated below (A) the Company's Annual Report on Form 10-K for the
fiscal year ended December 31, 1997.

         Signature                          Title                    Date
         ---------                          -----                    ----


    /s/ JOSEPH A. BAUTE                   Director             February 2, 1998
---------------------------       -----------------------      -----------------
Joseph A. Baute


<PAGE>   6


                                                                      EXHIBIT 24


                                POWER OF ATTORNEY
                                -----------------

         I, the undersigned Director and/or Officer of Cerion Technologies Inc.
(the "Company"), hereby severally constitute and appoint Richard A. Clark, Vice
President-Finance, Chief Financial Officer and Treasurer, my true and lawful
attorney and agent to sign for me, and in my name and in the capacity or
capacities indicated below (A) the Company's Annual Report on Form 10-K for the
fiscal year ended December 31, 1997.

         Signature                          Title                     Date
         ---------                          -----                     ----


   /s/  RONALD D. VERDOORN                Director                March 16, 1998
---------------------------       -----------------------         --------------
Ronald D. Verdoorn


<PAGE>   7


                                                                      EXHIBIT 24


                                POWER OF ATTORNEY
                                -----------------

         I, the undersigned Director and/or Officer of Cerion Technologies Inc.
(the "Company"), hereby severally constitute and appoint Richard A. Clark, Vice
President-Finance, Chief Financial Officer and Treasurer, my true and lawful
attorney and agent to sign for me, and in my name and in the capacity or
capacities indicated below (A) the Company's Annual Report on Form 10-K for the
fiscal year ended December 31, 1997.

         Signature                        Title                       Date
         ---------                        -----                       ----


 /s/  GERARD V. SCHENKKAN                 Director               March 20, 1998
---------------------------       -----------------------       ----------------
Gerard V. Schenkkan


<PAGE>   8


                                                                      EXHIBIT 24


                                POWER OF ATTORNEY
                                -----------------

         I, the undersigned Director and/or Officer of Cerion Technologies Inc.
(the "Company"), hereby severally constitute and appoint Richard A. Clark, Vice
President-Finance, Chief Financial Officer and Treasurer, my true and lawful
attorney and agent to sign for me, and in my name and in the capacity or
capacities indicated below (A) the Company's Annual Report on Form 10-K for the
fiscal year ended December 31, 1997.

         Signature                        Title                        Date
         ---------                        -----                        ----


 /s/  OSMUND M. FUNDINGSLAND             Director                 March 20, 1998
------------------------------     ---------------------          --------------
Osmund M. Fundingsland


<PAGE>   9


                                                                      EXHIBIT 24


                                POWER OF ATTORNEY
                                -----------------

         I, the undersigned Director and/or Officer of Cerion Technologies Inc.
(the "Company"), hereby severally constitute and appoint Richard A. Clark, Vice
President-Finance, Chief Financial Officer and Treasurer, my true and lawful
attorney and agent to sign for me, and in my name and in the capacity or
capacities indicated below (A) the Company's Annual Report on Form 10-K for the
fiscal year ended December 31, 1997.

         Signature                          Title                     Date
         ---------                          -----                     ----


  /s/  GERALD G. GARBACZ                  Director                March 20, 1998
---------------------------       -----------------------         --------------
Gerald G. Garbacz