Partner

Katherine Mongé

Katherine is a tax and trade policy expert who brings a wealth of bicameral legislative experience that enhances Capitol Tax Partners’ ability to offer best-in-class strategic and technical advice on legislative and regulatory policy matters before the Congress and the Administration. 

She served for a decade as former House Speaker Nancy Pelosi’s chief policy advisor on tax, trade, economic, and budgetary issues. During that time, Katherine was a lead negotiator on numerous legislative accomplishments, including passage of the Inflation Reduction Act of 2022, the most significant climate package in U.S. history; renegotiation and passage of legislation implementing  the United States-Mexico-Canada Agreement (USMCA), which garnered the support of both the Republican Administration and the AFL-CIO; several Covid relief packages, including the Coronavirus Aid, Relief and Economic Security (CARES) Act and the American Rescue Plan; and several tax extenders packages, including the Protecting Americans from Tax Hikes (PATH) Act of 2015.

Prior to her time in the House, Katherine worked for Senate Finance Committee Member Ben Cardin (D-MD) as his tax and trade counsel and policy advisor on banking, human resources, and general economic issues.  Katherine also worked as a transactional tax attorney at Mayer Brown LLP. 

Katherine earned a Juris Doctor degree (cum laude) from Boston College Law School and a Bachelor of Science in Foreign Service degree from Georgetown University.