Key Executives

Samuel W. Rosenblatt

The firm’s President, Samuel W. Rosenblatt, is the fourth generation of his family in the real estate business. Mr. Rosenblatt worked for eight years as the Vice President of Newmark & Company Real Estate, where he was responsible for overseeing the leasing and management of 16 commercial properties totaling approximately 6 million square feet. He then served for 2 years as the Vice President of leasing for Swig, Weiler and Arnow with responsibility for 3 buildings containing nearly 2 million square feet. Mr. Rosenblatt serves on the Board of Directors of many philanthropic institutions, is an avid contemporary art collector, has successfully run the NYC marathon and is an active member of the Real Estate Board of New York. Mr. Rosenblatt received the Distinguished Service Award from the Young Executive Division of the Israel Bonds Organization. He is a graduate of the Wharton School of Business of the University of Pennsylvania.

Steven H. Marvin

Steven H. Marvin, Executive Managing Director and Partner has been with Olmstead Properties, Inc. since 1993 and has been involved in real estate brokerage and management in New York City since 1988. Prior to joining Olmstead, Mr. Marvin used his background in multi-tenanted loft renovation projects as the leasing/managing agent guiding the conversion of 584-588 Broadway into one of Soho’s prominent office buildings. He is currently responsible for the development and implementation of the leasing and marketing of approximately 1.5 million square feet. Mr. Marvin received a B.A. from Clark University. He is married and resides in New York City.

Daniel Breiman


Daniel Breiman, Senior Managing Director, joined Olmstead Properties, Inc. as Leasing and Managing Agent in July 1999. Prior to joining Olmstead, Mr. Breiman was an Asset Manager at Newmark & Company Real Estate for 10 years where he was responsible for a diverse 10 building commercial portfolio comprising in excess of 2.5 million square feet. Presently, he directs leasing and management of half of the Olmstead portfolio. Mr. Breiman received a Bachelor of Science from Cornell University. He is married with 2 children and resides in New York City.

Tom Nikac

Tom Nikac joined the firm in 1996 as a Property Manager, responsible for all third party management properties. In 2004 Mr. Nikac was promoted to Director of Property Management for the entire Olmstead Properties, Inc. portfolio. He is currently responsible for overseeing and directing the day to day operations of over 3.5 million sqft of retail and commercial office space. Prior to Olmstead, he worked with Williams Real Estate as the building superintendent. Mr. Nikac earned his RPA designation from the Building Owners and Managers Association (BOMA) in 2003. He attended the School of Architecture and Design at New York Institute of Technology, majoring in architecture. Tom is married and lives in Rockland County.

Adam Arnow


Adam Arnow joined the firm in 2001. His current focus is managing acquisition opportunities for the firm, as well as overseeing capital market transactions. Prior to that he was involved with the leasing team at the firm.
He is a graduate of New York University with a B.A. in economics.

Manuel A. Ventura


Manuel A. Ventura has been involved with financial management in the real estate industry since 1989. Mr. Ventura joined Olmstead Properties, Inc. in 1992 as Senior Accountant. In 1993 he was promoted to Controller to oversee the entire Olmstead portfolio. Prior to joining Olmstead Properties, Inc., he was employed by the Macklowe Organization for three years as Staff Accountant for both residential and commercial properties.

Patrick Pavone


Patrick Pavone, Managing Director – Acquisitions, joined Olmstead in 2014. Patrick works with the acquisition team and focuses on all aspects of acquisitions, from deal sourcing to deal structuring, and developing strategic equity partners for the firm. Prior to joining Olmstead Properties, Patrick served as an asset manager at Bank of America Merrill Lynch (BAML). Before BAML, Patrick served as a fundraiser and advisor to numerous elected officials on the city, state and federal level in the New York City area and Connecticut. He is a graduate of New York University with a B.A. in politics, and holds a J.D. from New York Law School.

Marta Cook


Marta Cook, Business Operations Manager with over 20 years of experience in real estate management and leasing. Marta joined Olmstead Properties, Inc. in 2002 as the Building Administrator for 180 Varick Street assisting in leasing and the day-to-day operations of the building and was quickly promoted to Senior Leasing Administrator assisting in leasing and asset management for the entire Olmstead portfolio. In her current role as Business Operations Manager, Marta is responsible for overseeing the day-to-day operations, managing cross-functional teams to achieve organizational goals, and improving operational efficiency. Marta is a lifelong New Yorker living in Chelsea with her husband Carl and son Jacob.