Mark Weinberger is the Global Chairman and Chief Executive Officer of Ernst &Young (EY). Weinberger has been a member of the Global Executive, EY’s highest-level management body, since 2008. Most recently, Weinberger served as the organization's Global Vice Chair of Tax, overseeing EY's global Tax practice, Weinberger began his career with EY in 1987 as an entry-level staff member in the firm’s national tax department. After several years with the firm, he turned his attention to the public sector, accepting a position as the Chief Tax and Budget Counsel for Senator John C. Danforth (R-Missouri).
He was subsequently appointed Chief of Staff of US President Bill Clinton's Bipartisan Commission on Entitlement and Tax Reform in 1994. Under President Clinton, Weinberger also served on the U.S. Social Security Advisory Board. In these roles, he cultivated a deeper interest in large budget issues, taxes and entitlements, developing a reputation as one of the country’s leading authorities on tax policy.
In 1996, Weinberger co-founded Washington Counsel, P.C., a Washington DC-based law and legislative advisory firm, which merged into EY and now operates as Washington Council Ernst & Young. Subsequently Weinberger became the head of EY's US National Tax Practice. Mark Weinberger returned to public service in 2001 when he was appointed by President George W. Bush as Assistant Secretary (Tax Policy) of the U.S. Treasury.
Weinberger holds a B.A. from Emory University in Atlanta, Georgia (1983), an M.B.A. and J.D. from Case Western University in Cleveland, Ohio (1987), and an LL.M from Georgetown University Law Center in Washington, D.C (1991). He sits on the Boards of Directors for The Tax Council, The American Council for Capital Formation, and the Bullis School. In December 2012 he was presented the prestigious Achievement Award by the Anti-Defamation League.
Over the years, Mark Weinberger has held a variety of leadership roles in business and government, with duties as chairman and CEO of Ernst & Young (EY) beginning in July 2013. Employed by EY for much of his career, Mark Weinberger held roles as global vice chair of tax, deputy vice chair of tax services, and director of the US national tax practice. Outside of EY, he has worked in a broad range of capacities for the US government, with appointments from President George W. Bush as assistant secretary of the treasury for tax policy and President Bill Clinton as chief of staff of the Bipartisan Commission on Entitlement and Tax Reform.
Mark Weinberger also sits on the board of advisors of the American Council for Capital Formation, the board of directors of The Tax Council, and the board of trustees of Bullis School. He earned an LL.M. from Georgetown University Law Center, a J.D. from Case Western Reserve University School of Law, and a B.A. from Emory University.
Throughout his career as a legal professional and executive, Mark Weinberger has acquired a wealth of experience in the fields of tax law, public service, and professional services. In July 2013, he became the Chief Executive Officer and Global Chairman of Ernst & Young, one of the largest tax and assurance service providers in the world. A former global vice chair of the tax practice at EY, Mark Weinberger has held a seat on the firm’s Global Executive for five years.
Mark Weinberger served as an assistant secretary in the tax policy division of the United States Treasury. He also spent several years as a principal with Washington Counsel, P.C., a legislative advisory firm he founded in 1996 and merged into EY several years later. During the early years of his career, Mark Weinberger worked as the chief of staff of the Bipartisan Commission on Entitlement and Tax Reform, a program initiated by President Bill Clinton in 1994.