Mr. Birnbaum began his career in 1972 at the side of the legendary Edward
S. Gordon developing and implementing strategies for leasing vacant office towers. He also brokered lease transactions on
behalf of tenants, created the market research department and was responsible for hiring, training and managing brokerage
In 1981 Mr. Birnbaum founded American Realty Advisors, Inc. to provide brokerage
and consulting services in NYC office leasing. In 1987 he sold the firm to the successor of Merrill Lynch Commercial Services
of New York, Inc. and was appointed SVP and Manager of the New York office of this publicly owned international developer
(L J Hooker) and served as Real Estate Director to Hooker Retail and liaison for the firm's 22 brokerage offices across
In 1990 he rejoined Edward S. Gordon Company, Inc which had evolved
into Insignia ESG (today's CBRE). Next served as Managing Director at Colliers ABR, Inc. recently acquired by Cushman &
Over the span of his career, Mr. Birnbaum represented such notable clients
as Arent Fox, Bank of America, Broadcort Capital, Carret & Company, LLC., 500 Park Avenue Associates, The Fuji Bank,
Ltd., Frank Russell Trust Company, General Telephone & Electronics, International Paper Company, KLM Royal Dutch Airlines,
Kidder Peabody, Mabon Securities, Merrill Lynch, National Securities Corporation, New York Life Insurance Company, Paul
Hastings Janofsky & Walker, Reebok International, Ltd., St. David’s School, SONY Corporation of America, Solow Development
Corporation, 3M and Venable LLP.
Recent projects include: Beverage Marketing
Corp. of NY; Blue Sky Venture Managers d/b/a Innervation Capital ; Earth Day Network; Hong Kong Tourism Board; InvestIndustrial
; NYC Office Suites ; Stella and Charles Guttman Foundation; T.D. Asset Management; The Howard Gilman Foundation; Manhattan
Orthopedic and Sports Medicine Group. Orion Systems Integrators, LLC. Sierra Financial, Ltd.
Birnbaum has bought, sold, financed, leased and managed a variety of small properties for his own account.