Jon Silvan is Founding Partner and CEO of GSG. GSG is regularly ranked as a top public affairs firm and was recently recognized as Public Affairs Agency of the Year by PRovoke Media. Jon has guided GSG’s growth for more than two decades from a boutique agency into a leading public affairs, communications, and research firm with an award-winning team of over 150 professionals in six offices across the U.S.

As a strategist and advisor, Jon is known for his smart counsel, sharp insights, and drive to win. Jon provides guidance to GSG’s clients on a wide range of issues including public affairs, corporate positioning, reputation management, and political strategy.

Jon’s clients include Fortune 500 companies, national issue advocacy groups, and some of the country’s top government officials. Among his numerous achievements, Jon partnered with World Trade Center developer Silverstein Properties to gain necessary stakeholder support to break ground and rebuild at Ground Zero. He has advised many elected officials over the years including New York Senator Kirsten Gillibrand, Congressman Sean Patrick Maloney, and NYC City Comptroller Scott Stringer.

Jon helps his clients tackle pressing issues, often at the center of the national spotlight. Some of Jon’s clients also include, Apollo Global Management, the Black Economic Alliance, Facebook, Major League Soccer, MGM Resorts, CVS Health, Port Authority of NY/NJ, the MTA, The Metropolitan Museum of Art, The Rockefeller Foundation, Hispanic Federation, Pershing Square Capital Management, and T-Mobile.

Jon is regularly acknowledged for his talents and expertise in his field. He was named #2 on Observer’s 2021 PR Power 50 list. He was recognized by City & State NY as one of the 100 most powerful people in New York City politics and as one of 2021’s top Political PR Professionals.

Jon is a member of the Arthur Page Society, which represents C-level communicators. He served as Treasurer of the PR Council, a Steering Committee member of A Better New York (ABNY), he is a board member of the Citizens Budget Commission, a member of the Partnership for NYC, and Vice Chair of the Storahtelling Board of Directors for Lab/Shul, a nonprofit organization that advances Jewish literacy through the arts.

A proud lifelong New Yorker, Jon lives in Tribeca with his wife Marnie Berk, a public interest attorney and their three children.