Karen G. Sowell

EY Global Transaction Advisory Leader - Tax, Law, Workforce; Co-Director, National Tax Mergers and Acquisitions Group

Advises significant EY clients on complex M&A transactions. Held high-level positions at the US Department of the Treasury.

Areas of focus
Office Washington, DC, United States

Karen is a Principal in Ernst & Young LLP National Tax Department. Based in Washington, D.C., she serves as EY Global Transaction Advisory Leader and Co-leader of the National Tax Mergers and Acquisitions Group. She also served as the US Treasury Department’s Deputy Assistant Secretary for Tax Policy from 2007 to 2009, during the global financial crisis and Associated Tax Legislative Counsel for Tax Policy and Attorney Advisor from 1997-2001. Her primary responsibility for corporate tax legislative and regulatory matters.  Karen served as the Chair of the New York State Bar Association Tax Section in 2018.

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