Billy Macklowe
William S. (Billy) Macklowe is the founder and Chief Executive Officer of William Macklowe Company
(WMC), a vertically integrated real estate development, investment and operating company based in New York
City. Highly regarded in its industry, WMC’s business centers on the acquisition, development and
redevelopment of prime commercial, medical, and residential assets in New York City and the boroughs, real
estate correlated investments, portfolio acquisitions, and third-party management.
WMC redeveloped the office buildings at 636 Avenue of the Americas, 386 Park Avenue South, 311
West 43 rd Street and 156 William Street, which it successfully repositioned as Downtown Manhattan’s premier
medical office building. WMC recently developed the medical office building 333 East 61 st Street which is
leased in its entirety to Memorial Sloan Kettering, and both completed and successfully sold 100% of the units
at 21 East 12 th Street, a luxury, 23-story condominium designed by Annabelle Selldorf, in the heart of
Greenwich Village. WMC is currently developing Paseo on Fifth, a ground-up -275,000 square foot (sf) mixed-
use complex comprised of 185 rental apartments and 66,000 sf of commercial and retail space leased to an
array of national tenants over multiple buildings in prime Park Slope Brooklyn, as well as an office to multifamily
conversion at 291 Broadway in Tribeca.
Prior to establishing WMC, Billy was the President of Macklowe Properties, where he was responsible
for the firm’s successful development and redevelopment of over 25 million square feet, valued in excess of
$15 billion, including, among other projects, the office buildings at 340, 400 and 540 Madison Avenue and 140
West 57th Street , the high-rise multifamily buildings at 777 Sixth Avenue and Longacre House, and the highly
successful residential condominium projects at 310 E. 53 rd Street and 145 E. 76 th Street. Additionally, he played
a major role in re-establishing The General Motors Building as the preeminent office tower in the world. Billy
was the point of direct oversight of a 14 million square foot portfolio of Class A, midtown Manhattan office
buildings and 3,000 multifamily units
Billy, a graduate of New York University, is a member of the Board of Trustees of the Chapin School,
where he is the Chair of the Buildings and Grounds Committee and was responsible for the $240 million dollar
expansion and overbuild of a new building which was constructed on top of the existing school. Billy served on
the Real Estate Board of New York’s Board of Governors and is also member of YPO International of which he
is a past Chairman of the Gotham Chapter.
William Macklowe Company
CEO