Mark A. Weinberger

Global Chairman and CEO, EY

Mark Weinberger is the Global Chairman and CEO of EY, a leading global professional services organization that provides assurance, tax, transaction and advisory services. With 230,000 people in more than 150 countries, EY is one of the largest professional services organizations in the world.

Previous experience

In addition to his time at EY, Mark previously served as the Assistant Secretary of the United States Department of the Treasury (Tax Policy) in the George W. Bush Administration. Mark was also appointed by President Clinton to serve on the US Social Security Administration Advisory Board, which advises the President and Congress on all aspects of the Social Security system. Mark has also held other US government and policy positions, including Chief of Staff of President Clinton's 1994 Bipartisan Commission on Entitlement and Tax Reform; Chief Tax and Budget Counsel to US Senator John Danforth (R-Missouri); advisor to the National Commission on Economic Growth and Tax Reform; and Commissioner on the National Commission on Retirement Policy.

Mark was co-founder of Washington Counsel, P.C., a Washington DC-based law and legislative advisory firm that merged into EY and now operates as Washington Council EY.

Credentials and community activities

Mark plays an active role in the World Economic Forum, serving as a member of its International Business Council and as a Global Agenda Trustee for Economic Growth and Social Inclusion. He co-chairs the Russia Foreign Investment Advisory Council with Prime Minister Dmitry Medvedev and is Vice Chair of the International Business Leaders Advisory Council (IBLAC) to the Mayor of Shanghai.

Mark is an Executive Committee member of the Washington, DC-based Business Roundtable and chairs its Tax and Fiscal Policy Committee. He is a member of the International Advisory Board of British-American Business, a member of the International Integrated Reporting Council, and on the Board of Advisors for the American Council for Capital Formation.

Mark sits on the Board of Directors for Catalyst, where he chairs the Audit Committee, and he is on the Boards for the Tax Council and the Bullis School in Potomac, Maryland. He is also a member of the Board of Trustees for Emory University and Case Western Reserve University.

In December 2012 Mark was presented the prestigious Achievement Award by the Anti-Defamation League. Cornell University honored him in September 2015 with the Robert S. Hatfield Fellowship in Economic Education Award, the highest honor Cornell can bestow on someone from the private sector. In 2015, Mark also received the Tax Council Policy Institute’s Pillar of Excellence Award.

Mark holds a B.A. from Emory University in Atlanta, Georgia, an M.B.A. and J.D. from Case Western Reserve University in Cleveland, Ohio, and a Master of Laws in Taxation from Georgetown University Law Center in Washington, D.C.

Mark and his wife, Nancy, live in Potomac, Maryland with their four children.