B. Thomas Golisano, Paychex founder and chairman of the board said in a news release that the board unanimously selected Mucci from internal and external candidates.  Mucci is the third president and CEO in the company’s nearly 40-year history and succeeds Jonathan J. Judge, who resigned in July 2010 (see Paychex President and CEO to Resign).

As Paychex senior vice president of operations, Mucci had led a team of more than 8,000 employees in 85 locations across the U.S., and was responsible for all operations and customer service for the company’s 536,000 payroll and human resource services clients, as well as the company’s product management and information technology functions, the news release said.

Prior to joining Paychex, Mucci was CEO of Frontier Telephone of Rochester, Inc. and president of telephone operations for Frontier Communications, with responsibility for sales, operations, customer service and financial performance of Frontier’s 34 local telephone companies.  

He holds a Bachelor’s degree in accounting from St. John Fisher College in Rochester, New York, and received a Master’s degree in business administration through the Executive Development Program at the University of Rochester’s William E. Simon Graduate School of Business.