Jeffrey Greenberg


Oversees all disciplines involved in the acquisition, financing and leasing of Heritage’s properties. Jeffrey received a bachelor’s degree in Philosophy from Colgate University, a law degree from Boston University School of Law and a master’s degree in Real Estate from New York University. Jeffrey is a licensed real estate broker in New York and is licensed to practice law in New York, New Jersey and Colorado. He is a member of NJ-NAIOP and serves on its Developers Political Action Committee.

Steven Greenberg


Supervises all aspects of leasing, construction and property management for Heritage’s holdings. He has attended the New York University Real Estate Institute and The Wharton School in Philadelphia, pursuing continuing education courses and professional development opportunities. Steven currently serves on the Planning Board and the Environmental Commission of the Borough of Saddle River, N.J. He also is on the board of directors of the Newark Boys & Girls Club and WBGO, Newark Public Radio. In addition, he is a member of NAIOP and the Newark Real Estate Board.


Irwin Boris

Investment Committee Member

Irwin is a member of Heritage’s investment committee, responsible for reviewing acquisitions, underwriting and financing terms.

He is a Director for Enterprise Community Investment's diversified financial products group. Irwin manages the company's multifamily platform for the northeast. He sources, originates and underwrites debt financing transactions on multifamily projects on a national basis; specializing in value-added transactions and transactions involving work force housing & preservation; and has an ever growing established network of relationships in the multifamily arena.

Prior to joining Enterprise in 2010, Mr. Boris spent three years sourcing apartment acquisitions for several private investors where he was responsible for underwriting, due diligence and capital markets activities; and was a top originator during his 10 year tenure with Capmark Finance / GMAC Commercial Mortgage; specializing in multifamily construction, bridge, equity and permanent financing products.

Irwin has more than 25 years experience in real estate finance, investment and asset management; the past 18 years utilizing Fannie Mae, Freddie Mac, FHA, conventional mortgages and private placements in a broad range of housing finance transactions. During his professional career, Irwin has participated as a direct lender, principal, investment banker and consultant in more than $5.0 billion in multifamily real estate transactions throughout the United States and Canada.

Mr. Boris received his M.S. in Real Estate from New York University (NYU) with a concentration in Real Estate Investment and received his Bachelor’s degree in accounting from Long Island University.

Frank James

Chief Engineer/Property Manager

Frank joined Heritage in 2001 with the acquisition of our property located at 550 Broad Street, Newark, NJ. He has extensive history with this property and has been an integral part of its operational and physical oversight. Frank also oversees capital improvements from bid to completion for all other properties within Heritage’s multi-million dollar industrial portfolio.

Nannette Jerlat


Nannette joined Heritage in 2002 and brought with her strong senior accounting and financial analyst experience. She manages all functions of accounting and finance for Heritage including monthly reporting and budgeting.

Barbara Tesa

Manager, Facilities and HR

Barbara joined Heritage in 1998 with a solid background in client relations and executive support. In addition to managing the Ridgewood office, she reviews and administers our employee benefits programs; reports payroll and Annuity/Pension allocations on behalf of Union employees, and coordinates maintenance and inspections of Heritage’s portfolio of properties.

Carol Brown

Property Manager

Carol joined Heritage in 2013 and currently manages the daily functions of our Newark office and assists the Controller with accounting. In addition, she is responsible for tenant insurance compliance and is an essential liaison for positive tenant relations at both the Gateway and 550 Broad Street properties

Johnnie Patterson

Manager, Building Cleaning Services

Miss Johnnie has been with heritage since 2001 and is responsible for hiring necessary cleaning staff to maintain building cleanliness standards. She supervises all work activities of cleaning personnel in our Newark properties and tracks work performance.

Greenberg Brothers

Together, the Greenberg brothers have been instrumental in growing Heritage from a small, family real estate business to a mid-size player in the New York/New Jersey commercial market. During the past decade, they have orchestrated more than $800 million in transactions and more than 10 million square feet.