Michael Bonarti

Chief Administrative Officer

Michael Bonarti is Chief Administrative Officer at ADP. In this role, he is responsible for leading ADP’s legal, global security and transformation organizations.

Michael joined ADP in May 1997 as a corporate attorney specializing in mergers and acquisitions. Over time, Michael was given additional responsibilities for the legal oversight of a variety of ADP's businesses, both domestic and international. In April 2010, he became ADP's interim General Counsel, and in June 2010, ADP's Board of Directors appointed Michael to the role of Corporate Vice President, General Counsel and Secretary. During his tenure, he has innovated how ADP’s Global Legal organization serves its stakeholders, leading with a transformational mindset.

Before joining ADP, Michael was an associate with Shearman & Sterling, where he worked on a variety of U.S. and international M&A and corporate finance transactions.

He holds a J.D. from the University of Chicago Law School, and a B.A. from Cornell University.

He was admitted to the New York bar in 1991 and was granted a New Jersey In-House Counsel Limited License in 2005.