Primary Job Title Member of the Board of Directors Primary Organization AT&T
Location New York, New York, United States Regions Greater New York Area, East Coast, Northeastern US Gender Male
LinkedIn View on LinkedIn
Samuel served as Global Chief Executive Officer of PricewaterhouseCoopers International Limited from 2002 until his retirement in 2009.
Di Piazza began his 36-year career with PricewaterhouseCoopers (then Coopers & Lybrand) in 1973 and was named Partner in 1979.
From 1979 to 2002, Di Piazza held various regional leadership positions
with PricewaterhouseCoopers (and its predecessor firm). After his retirement from PricewaterhouseCoopers, Di Piazza joined Citigroup where he served as Vice Chairman of the Global Corporate and Investment Bank from 2011 until 2014.
Since 2010, Di Piazza has served as the Chairman of the Board of Trustees of The Mayo Clinic.
He received his B.S. in accounting from the University of Alabama and earned his M.S. in tax accounting from the University of Houston. Di Piazza was elected a Director of AT&T in July 2015.
He served as a Director of DIRECTV from 2010 until the company was acquired by AT&T Inc. in July 2015. He is a member of the Audit Committee. Di Piazza is a Director of ProAssurance Corporation and Jones Lang LaSalle Incorporated.
He previously served as a Director of DIRECTV (2010-2015) and Apollo Group, Inc. (2009-2011).
