Jonathan R. Zamir
Founder & CEO
Jonathan R. Zamir is the Founder and CEO of Keystone Equities. Under his leadership, Keystone has built a national portfolio across commercial, residential, and mixed-use asset classes, and has emerged as a trusted partner in originating, acquiring, and managing investments across the capital stack.
With over two decades of experience in real estate investment and operations, Mr. Zamir brings a strategic and hands-on approach to value creation — combining disciplined underwriting with creative structuring. His leadership has positioned Keystone as a differentiated platform known for its ability to execute complex transactions with institutional rigor and entrepreneurial agility.
Prior to founding Keystone, Mr. Zamir served as Director of Acquisitions at Infinity Real Estate, where he was responsible for sourcing and executing transactions across the U.S. His earlier experience includes portfolio management at The Moinian Group, where he worked on large-scale, mixed-use assets in New York City.
In addition to his work at Keystone, Mr. Zamir is the founder of the Professionals of Real Estate Forum (PREF), one of New York’s leading networks for real estate professionals. Since its inception, PREF has been instrumental in facilitating over $10 billion in transactions through deal collaboration and peer connectivity.
Mr. Zamir graduated Magna Cum Laude from NYU’s Stern School of Business and holds a Graduate Certificate in Real Estate from NYU’s School of Professional Studies.
Beyond his professional commitments, Jonathan is an active philanthropist and serves on the Board of the Combat Antisemitism Movement. He lives in New York with his wife and three children.