Executive Team


Michael Fuchs Co-Founder and Principal

Mr. Fuchs oversees transactions and operations for office, hotel, retail and residential real estate. Mr. Fuchs has helped build RFR’s portfolio with assets in select markets throughout the United States and Europe and has developed deep relationships within the real estate industry and international capital markets. Mr. Fuchs continues to be very active in RFR’s daily operations and concentrates on developing new business opportunities for the company. Prior to founding RFR, Mr. Fuchs earned an M.B.A. from the University of Southern California. Mr. Fuchs contributes his time and resources to several charitable causes and has long standing relationships with the Jeffrey Modell Foundation, Big Brothers Big Sisters of New York City and Israel Bonds.

Aby Rosen Co-Founder and Principal

Mr. Rosen has helped build one of the most active and successful New York City-based real estate firms. Since its founding in 1991, the firm has amassed a substantial and diverse property portfolio, while recognizing the importance of art and culture to a city’s live/work environment.

RFR’s roster of iconic Manhattan properties currently includes the Seagram Building at 375 Park Avenue, Lever House at 390 Park Avenue and 285 Madison Avenue, which is currently in the process of being completely repositioned as a sleek, high-end, modern office building.

Mr. Rosen continues to be actively involved in all aspects of RFR’s operations, ranging from leasing and management to acquisitions, dispositions and re-financings.


Mark Weiss Chief Investment Officer

Mr. Weiss directs RFR’s global acquisitions, including debt and equity investments and capital sourcing. He was previously with JE Robert Companies, where he was Managing Director and President of JER Investors Trust (“JRT”), a NYSE publicly traded mortgage REIT focused on investments in commercial real estate finance structured products. Mr. Weiss also served as managing director for Goldman Sachs in both the investment banking and fixed income divisions, responsible for commercial and residential mortgage origination and securitization.

Gregg Popkin Chief Operating Officer

Mr. Popkin oversees leasing, management, accounting, construction and hotel operations for RFR’s entire portfolio. Mr. Popkin was previously managing director with Beacon Capital Partners and managing director with CB Richard Ellis. He’s currently an adjunct professor at Columbia University’s Real Estate Development program at the Graduate School of Architecture and Planning.

Frank Mangieri Chief Legal Counsel

Mr. Mangieri is responsible for all of RFR’s legal matters. Mr. Mangieri has been practicing law for 20 years and has extensive experience in all aspects of commercial real estate and corporate transactions, including acquisitions, sales, financing, leasing and structuring joint ventures and investment partnerships.Mr. Mangieri was formerly a partner with international law firm McDermott, Will & Emery. He is a member of the New York Bar Association, the Association of the Bar of the City of New York and the American Bar Association. Active in civic and philanthropic affairs, Mr. Mangieri devotes his time to the Make-a-Wish Foundation of the Hudson Valley. 

Michael Astarita Chief Financial Officer

Mr. Astarita manages RFR’s global business financial planning and analysis. He is responsible for corporate, investment and property finance, accounting and reporting. Mr. Astarita was formerly CFO at Citi Property Investors and J.P. Morgan Fleming. He also held various real estate controllership and financial positions with The O’Connor Group, The Peregrine White Company and Winthrop Management

Tom Lavin Commercial Asset Management
Ben Davison Hotel Asset Management
Sheldon Werdiger Marketing and Design Development
Ross Fleming Residential Development
Rich Froom Associate General Counsel