Mark Boisi is Chairman of the New York Tri-State Region at DTZ. He is currently a member of the firms Executive Committee and Board of Directors, and is co-head of the firms $400 million joint venture with AEW Capital, which invests in commercial property in the New York metropolitan area.

For over 35 years, Boisi has been focusing on corporate and institutional real estate, especially with tenant representation, property management, and leasing assignments. He previously represented General Electric at 299 Park Avenue in their 132,000-square-foot corporate consolidation assignment, as well as Donna Karan New York (DKNY) with their 143,000-square-foot lease renewal and expansion at 240 West 40th Street. His clients include General Electric, United Nations, and Random House.

Boisi was a founding member of Abrams Benish Riker Inc., which eventually became Colliers ABR Inc., a predecessor company to Cassidy Turley. The new firm launched in 2010, when Colliers ABR split from Colliers International to join the new Cassidy Turley. KM