EXHIBIT 24: POWER OF ATTORNEY

The undersigned Directors of Paychex, Inc., do hereby constitute and appoint B. Thomas Golisano their true and lawful attorney and agent, to execute the Paychex, Inc., Annual Report on Form 10-K for the fiscal year ended May 31, 2002, for us and in our names as Directors, to comply with the Securities Exchange Act of 1934, and the rules, regulations and requirements of the Securities and Exchange Commission, in connection therewith.

         
Dated:   July 11, 2002   /s/ Betsy S. Atkins
       
        Betsy S. Atkins
 
Dated:   July 11, 2002   /s/ G. Thomas Clark
       
        G. Thomas Clark
 
Dated:   July 11, 2002   /s/ David J. S. Flaschen
       
        David J. S. Flaschen
 
Dated:   July 11, 2002   /s/ Phillip Horsley
       
        Phillip Horsley
 
Dated:   July 11, 2002   /s/ Grant M. Inman
       
        Grant M. Inman
 
Dated:   July 11, 2002   /s/ J. Robert Sebo
       
        J. Robert Sebo
 
Dated:   July 11, 2002   /s/ Joseph M. Tucci
       
        Joseph M. Tucci