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John O’Neill

John O'NeillJohn O’Neill served on both the Senate Republican Leadership staff under former Senator Trent Lott (R-MS) and the staff of the Senate Finance Committee under Chairman Chuck Grassley (R-IA).

During his tenure with Senate Republican leadership, he was Policy Director and Counsel in the Office of the Senate Republican Whip Trent Lott. In the Whip Office, Mr. O’Neill assisted in the development and coordination of the Senate Leadership floor strategy with respect to all legislation considered by the United States Senate. Mr. O’Neill supported Senator Lott’s efforts as Senate Republican Whip by providing advice and counsel on policy matters and legislation before the Senate. Mr. O’Neill also worked closely with Senate Committee and Member offices in developing legislative and policy initiatives. He also worked closely with senior White House officials and House Leadership offices.

Prior to his service in the Republican Whip Office, Mr. O’Neill served as Tax Counsel to the U.S. Senate Committee on Finance under Chairman Charles Grassley. During his time at the Finance Committee, Mr. O’Neill played a central role in the enactment of several major pieces of tax legislation affecting corporate tax law, pension reform, international tax reform, energy tax policy, and the taxation of health care and other employee benefits.

Earlier in his career, Mr. O’Neill was in private law practice, including as a partner in the firm of Venable LLP. Mr. O’Neill is a frequent speaker and lecturer on public policy issues, and he has authored a number of articles in professional and scholarly publications.

Mr. O’Neill received a B.A. from Skidmore College in 1994 and a law degree from Georgetown University Law Center in 1999.

“…[John O’Neill] has quickly established himself as the number one tax lobbyist on the Republican side, a major fundraiser and a policy guru.”

Washington Life Magazine

The Power 100, March 2014

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