Judith Greenberg Seinfeld ’56, H’24 is president of Heritage Management Co. LLC, a real estate investment, development and management company, which is based in Ridgewood, New Jersey, and has been in business for three generations since 1924. She has been involved with the purchase, sale, land-use planning and financing of office and industrial properties throughout the country since 1989.
Prior to joining Heritage, Seinfeld was founder and president of Judith Greenberg Gallery, a jewelry design and manufacturing company. Her creations were displayed and sold at art galleries throughout the U.S. from 1983-96. Seinfeld also was a principal of Balenciaga Perfumes International, where she was senior vice president in charge of sales for the U.S., Puerto Rico and Canada.
Seinfeld is former president of the women’s division of the board of trustees of the Jewish Federation of Northern New Jersey and former president of the board of directors of the Young Men’s Hebrew Association of Bergen County, New Jersey.
A veteran of the stage, Seinfeld is co-founder of the Nantucket Comedy Festival, a founding member of The Nantucket Project and a member of the board of directors of the Theatre Workshop of Nantucket, where she is also a member of the executive committee. Among the plays she has produced are The Ferryman, winner of the 2019 Tony Award for Best Play; The Last Confession, starring David Suchet; and Transport, premiered by the Irish Repertory Theatre in New York City in 2014; and Leopoldstadt which won the TONY for Best Play in 2023.