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John Gallagher

John Gallagher


John is an adept media communicator who specializes in media relations, strategic and crisis communications, and government relations for a diverse group of clients including leaders in real estate, construction, and development.

Head of Public Affairs for Tishman Construction and Tishman Realty

Spokesman for New York City Mayor Michael R. Bloomberg

Public Affairs lead for post 9-11 Lower Manhattan redevelopment efforts

Political campaign spokesman

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Mercury is home to more than one hundred experts that collaborate on local and global high-stakes challenges.

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John Gallagher is a leading public affairs strategist who specializes in media relations, crisis management and communications for a diverse group of clients. His recent work includes managing issues for clients in tech, litigation, finance, real estate and construction.

Gallagher joined Mercury in 2012 as a Managing Director and became a Partner in 2017. In 2022 he was named President of the company.

Before Mercury, Gallagher spent 4 years as Senior Vice President of Public Affairs for Tishman Construction Company, which was sold to AECOM in 2010, and for Tishman Realty LP. He continues to provide strategic public affairs counsel for both firms.

Prior to Tishman, Gallagher was a press secretary and spokesman to New York City Mayor Michael R. Bloomberg.

Gallagher also previously served as Vice President of Public Affairs for the Lower Manhattan Development Corporation, which was charged with planning the rebuilding of Lower Manhattan after the attacks of September 11, 2001. He has held several communications and public affairs roles for the New York State Senate and has managed communications for several statewide political campaigns.

Gallagher has a BA in political science and an MA in communications from the State University of New York at Albany.

He is currently on the Boards of the Educational Alliance, the New York League of Conservation Voters, the Hunter Foundation and the Downtown Lower Manhattan Association. He previously served on the board of the Empire State Pride Agenda.

Gallagher and his husband divide their time between Tannersville, New York, where he serves as a village trustee, and Manhattan.