Mark Weinberger, Global Chairman and CEO of EY (formerly Ernst & Young), launched his career with the professional services organization in 1987. Over the past 25 years, he has served in a variety of US and global roles with EY, and spent time outside of EY in the private sector and in government service.
After spending several years as a member of EY’s National Tax Department, Mark Weinberger enrolled in Georgetown University Law Center, where he earned an LL.M. in tax law. Drawing on his experience and education, he took on a position as chief tax and budget counsel for Senator John C. Danforth (R-Missouri). Over the following decade, President Bill Clinton and President George W. Bush appointed Mark Weinberger to several national positions, including Assistant Secretary (tax policy) of the U.S. Treasury and Chief of Staff of a bipartisan commission on entitlement and tax reform. He also served on the U.S. Social Security Advisory Board, which advises the President and Congress on all aspects of the Social Security system. Mark Weinberger also co-founded Washington Counsel, P.C., a tax law and legislative advisory firm that ultimately merged into EY.
Since 2008, Mark Weinberger has served on EY’s most senior-level management committee, the Global Executive. He was appointed Global Chairman and CEO on July 1, 2013.