Patricia A. Nelson is one of the original members of the OB-C Group, joining O’Brien-Calio, as it was then known, in 1993, one month after the firm opened its doors. While at the firm, Trish has been engaged in a broad spectrum of issues, including but not limited to tax matters, retail and credit, energy and environmental issues, as well as matters related to marine mammals and the marine environment.

Ms. Nelson served on the Majority Staff of the Committee on Ways and Means from 1985-1993. Her principal responsibilities included acting as a liaison with House leadership offices for the Committee Chairman and senior Committee staff; analyzing policy and procedural implications of Committee legislation; and assisting the Chairman with his work on the House Democratic Steering and Policy Committee.  While working full-time for the Committee, she earned her law degree from Georgetown University Law Center in 1992. 

Prior to working for Ways and Means, Ms. Nelson was a legislative assistant for Representative Gerald D. Kleczka (D-WI), where she handled health, education, judiciary and agriculture issues.

A native of Wisconsin, Ms. Nelson came to Washington in 1984, after working on Congressman Kleczka's 1984 special election campaign. Prior to working on the Kleczka campaign, she worked for Wisconsin Governor Anthony Earl.

Ms. Nelson is Vice Chair of the Board of Directors for Wright Patman Congressional Federal Credit Union.

In addition to holding a law degree from Georgetown University Law Center, Ms. Nelson also holds a B.A. in International Relations and French from Carroll College in Waukesha, Wisconsin.  She is admitted to the Bar in the Commonwealth of Pennsylvania.