Greg Williamson

Greg Williamson is a lifelong New Yorker, born and raised in Brooklyn Heights, with a deep-rooted commitment to his city and community. For over two decades, Greg has distinguished himself as a leading residential real estate broker in New York City, consistently delivering exceptional results for his clients. Beyond brokerage, he is also an active investor in multifamily properties throughout the Tri-State area, combining deep market knowledge with strategic insight. 

Greg is the founder and co-executive producer of Love Rocks NYC, the highly acclaimed annual benefit concert that has raised over $70 million for God’s Love We Deliver, funding more than 6 million meals for New Yorkers living with severe illness. In 2026, Love Rocks will celebrate its 10th anniversary, marking a decade of music, community, and impact. 

Complementing his philanthropic work in the arts, Greg is also a founding partner of The SoHo Sessions, an exclusive bimonthly live music series held in an intimate venue in downtown Manhattan. Each session features world-class artists and is designed to elevate and support various social causes. 

Greg serves on the Board of Directors of God’s Love We Deliver, the City Parks Foundation, and The Churchill School and Center. He and his wife, Katy, are active members of Central Synagogue and are the proud parents of twin boys, Charlie and Sidney. Through his professional and philanthropic endeavors, Greg remains deeply committed to enhancing the cultural and civic life of New York City.