OVER A CENTURY OF EXPERIENCE
OVER A CENTURY OF EXPERIENCE
Peter S. Duncan
PRESIDENT & CEO
The controlling partner of the firm, President & CEO Peter Duncan has spent over 30 years at George Comfort & Sons. Over the years, he has been involved in and overseen every facet of this top-tier commercial real estate business, from acquisitions to financing, repositioning, management and leasing. Since taking over leadership of GCS in the early 1990’s, Peter has been responsible for acquiring and redeveloping many of the company-owned properties, totaling over $3 billion in value. He is also integrally involved in the leasing and renovation of all GCS assets.
Mr. Duncan received a B.A. from Trinity College and is a licensed commercial broker in the State of New York and New Jersey and is a member of the Real Estate Board of New York (REBNY). Mr. Duncan also serves as a board member of Trinity College, The Realty Foundation of New York, Phipps Houses and the Madison Square Park Conservancy.
CONTACT: 212.481.1137

Alexander N. Bermingham
Leasing - Vice President

Jared Conlon
Construction - Vice President

Sean Connaughton
Property Management - Director

Andrew F. Conrad
Leasing - Vice President

Matthew J. Coudert
Leasing - Executive Vice President

Andrew Halder
Construction - Vice President

Andrew R.G. Joseph
Asset Management and Operations - SVP

Steven W. Ketchabaw
Construction - Vice President

Se Kyung Kim
Leasing Agent

Grant McKiernan
Co-Head Of Asset Mgmt | Acquisitions & Dev

Karl Mittermayr
Head of Acquisitions & Capital Markets

Marlene Monks
Controller

Dana R. Pike
Leasing - Senior Vice President

Justin Winiarz
Co-Head Asset Management