Mark Boisi

Executive Vice Chair • United States

Mark Boisi New York Office Leasing
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1290 Avenue of the Americas
New York, NY 10104-6178
United States

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Mark Boisi

Executive Vice Chair • United States


Mark Boisi has been active in commercial real estate in New York City since starting his career with Cross & Brown Co. in 1975. In 1978, he became a founding member of Abrams Benisch Riker Inc., which became Colliers ABR Inc. In 2010 he helped form Cassidy Turley where he was a member of the Cassidy Board of Directors and Executive Committee. In 2014 Cassidy Turley was merged into Cushman & Wakefield and presently serves as Executive Vice Chairman of Brokerage.

Over his 40 plus year career, Mr. Boisi’s primary focus has been on corporate and institutional real estate, principally in tenant representation, property management and leasing agency assignments. He has coordinated real estate projects on behalf of dozens of corporate users and owners and has been involved in real estate transactions totaling over 20M SF.

  • General Electric
  • JPMorgan Chase
  • United Nations
  • Joseph E. Seagram & Sons
  • Bertelsmann/Random House
  • CBS
  • Harry Winston
  • LVMH
  • Greenberg Traurig
  • Donaldson, Lufkin & Jenrette (Credit Suisse)
  • DKNY
  • United Federation of Teachers

  • JPMorgan Chase, 277 Park Avenue – 855,000 SF lease
  • DLJ/Credit Suisse, 277 Park Avenue, New York, NY – 740,000 SF headquarters relocation
  • UFT, 52 Broadway, New York, NY – 400,000 SF net lease
  • UFT, 50 Broadway, New York, NY – 370,000 SF purchase
  • Bertelsmann, 1540 Broadway, New York, NY – 257,000 SF space disposition
  • GE Commercial Finance, 901 Main Avenue, Norwalk, CT – 250,000 SF headquarters
  • CBS, 63 Madison Avenue, New York, NY – 164,000 SF lease
  • DKNY, 240 West 40th Street, New York, NY – 143,000 SF renewal and expansion
  • General Electric, 299 Park Avenue, New York, NY – 132,000 SF corporate consolidation

Agency Experience

  • 277 Park Avenue – 1,900,000 RSF
  • Chanin (122 East 42nd Street) - 800,000 RSF
  • 375 Park Avenue (Seagram Building) - 700,000 RSF
  • 52 Broadway - 410,000 RSF
  • 50 Broadway - 360,000 RSF
  • 1180 Avenue of the Americas – 400,000 RSF
  • Grace Building (1114 6th Ave) - 350,000 RSF sublease agency
  • 101 East 52nd Street – 300,000 RSF
  • Bertelsmann Building (540 Broadway) - 260,000 RSF sublease agency
  • One East 57th Street - 120,000 RSF
  • 598 Madison Avenue- 100,000 RSF
  • 19 East 57th Street - 100,000 RSF

  • Real Estate Board of New York’s Robert T. Lawrence Most Ingenious Deal Award, 2002
  • UFT headquarters relocation downtown in New York City – 1,000,000 SF of transactions

Bachelor’s degree, Boston College

My Listings

Available in Future
For Lease • Office
277 Park Avenue

277 Park Avenue
New York, NY 10172
United States
23,148 SF

Available in Future
For Lease • Office
277 Park Avenue

277 Park Avenue
New York, NY 10172
United States
24,338 SF

Available in Future
For Lease • Office
277 Park Avenue

277 Park Avenue
New York, NY 10172
United States
23,167 SF

Available in Future
For Lease • Office
277 Park Avenue

277 Park Avenue
New York, NY 10172
United States
23,158 SF

Available in Future
For Lease • Office
277 Park Avenue

277 Park Avenue
New York, NY 10172
United States
23,235 SF

Available in Future
For Lease • Office
527 Madison Avenue

527 Madison Avenue
New York, NY 10022
United States
11,300 SF

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