Gregory A. Serrao

GREGORY A. SERRAO founded American Dental Partners, Inc., and has served
as President, Chief Executive Officer and a Director since December 1995
and as Chairman since October 1997. From 1992 through December 1995, Mr.
Serrao served as the President of National Specialty Services, Inc., a
subsidiary of Cardinal Health, Inc. From 1991 to 1992, Mr. Serrao served
as Vice President ‘ Corporate Development of Cardinal Health. Before
joining Cardinal Health, Mr. Serrao was an Investment Banker at Dean
Witter Reynolds Inc. where he co-founded its healthcare investment
banking group and specialized in mergers, acquisitions and public equity
offerings.