Jonathan Mantz

Johnathan helps lead BGR’s Commerce and Infrastructure Practice.

Washington, D.C.
Practice Co-Head, Principal
Policy and Legislative Process, Leading Coalitions and Campaigns, Senior Political Strategist, Democratic Outreach at Federal, State, and Local Levels
National Finance Director for Hillary Clinton for President in 2008, Deputy Executive Director for Democratic Senatorial Campaign Committee, Finance Director for Democratic Congressional Campaign Committee

Jonathan Mantz is a Principal at BGR Government Affairs and leads the firm’s Democratic outreach efforts. He also serves as Co-Head of the Commerce and Infrastructure Practice. Over the past three decades, Jonathan has held senior positions to elect Democrats to the White House, Senate, House of Representatives and governorships. A leading political strategist, he has raised nearly half a billion dollars over his career for Democratic campaigns.

At BGR Group, Jonathan leverages his experience and expertise counseling clients to provide a wide range of services in government relations and public affairs that deliver results. He works with clients to create and execute legislative strategies, strengthens their political affairs operations and enhances their profile. As Co-Head of the Commerce and Infrastructure Practice, Jonathan represents clients with interests in telecom, technology, energy, environment, immigration, health care, transportation, trade and appropriations before Congress, the Administration, and state and local governments.  As a member of the Finance Committee of the Democratic Governors Association, he works with Democratic governors and gubernatorial candidates across the country. 

Jonathan served as National Finance Director for then-Senator Hillary Clinton’s 2008 Presidential campaign. Before this, he served as Deputy Executive Director of the Democratic Senatorial Campaign Committee (DSCC) in 2004. Jonathan was the Finance Director of the Democratic Congressional Campaign Committee (DCCC) from 1998 to 2002 for former Democratic Leader Richard Gephardt and then Democratic Whip Nancy Pelosi. 

Jonathan has been quoted by the New York Times, the Washington Post, the Wall Street Journal, MSNBC, Politico and Roll Call.

Jonathan currently serves on the board of the Winston Churchill High School Football Foundation. Previously, he served on the advisory board of Petra Solar Corporation, was a senior advisor to Priorities USA and 100 Thousand Strong Foundation, and mentored to start-up companies at 1776. He has also been a Business Council member of the U.S. Conference of Mayors.

Born in the suburbs of Philadelphia and a die-hard Philly Sports fan, Jonathan is a graduate of Ithaca College.

Areas of Focus

  • Democratic Outreach
  • Campaigns
  • Infrastructure and Energy
  • Emerging Technology
  • Telecommunications
  • Space


  • Ithaca College

    B.A. History