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ESG & Decarbonizing Real Estate Winter
January 29-30, 2026
JW Marriott NashvilleNashville, TN

Jonathan Flaherty
Global Head of Sustainability at Tishman Speyer
Advisor

Profile

Jonathan Flaherty joined Tishman Speyer in 2007 and is responsible for the firm's evolving sustainability strategy. This includes property and fund sustainability certifications, communication with current and future investors, worldwide performance tracking, energy procurement strategy, building technology innovation, diligence in alternative green investments, and execution of the firm's commitment to Net Zero by 2050. He is also working with the firm's joint venture, Breakthrough Properties, in creating their ESG strategy in the life science sector. Jonathan joined Tishman Speyer as part of the Leadership Development Program and has held various roles with the company, including in New York Asset Management and Portfolio Management. Prior to joining the firm, he worked as a legislative aide for Senator Schumer in Washington, D.C. Jonathan is the chair of the board of directors for the Building Energy Exchange, the co-chair of the REBNY Sustainability Committee, the secretary-treasurer of the board of the Green Building Certification Institute, and is on the board of the New York Energy Consumers Council. He holds a BA in political science from Kenyon College, and an MBA and MSUP from Columbia University.