Jack Siegel’s family has been in the real estate business since his father, Sydney M. Siegel, began in 1941. Jack joined the family real estate business in 1962, where he spent the first sixteen years of his career leasing, managing, buying, selling and financing the company’s sixty properties in Manhattan, Queens, Nassau and Suffolk Counties.

In 1978, Jack left the family business to work for Helmsley-Spear as a management and rental agent for three of its major Garment Center buildings. Over the next thirty years, Jack rented and renewed more than 3000 leases for offices, showrooms and retail spaces in these buildings, working closely with them to maintain the best possible environment for the tenants and interfacing with designers, architects and general contractors.

When Helmsley Spear dissolved into Schneider and Schneider in 2007, Jack became the management and rental agent for 1050 apartments in three Manhattan apartment buildings. In 2009, Jack returned to the Garment Center and joined Millennium Realty Group LLC, where he met and teamed with Ari Waldman to close several fashion showroom leases. In August, 2010, Jack and Ari joined Intrepid Real Estate Group. Jack brings to Intrepid, forty years of experience as a rental and management agent and a broker and owner of real estate, with an expertise in negotiating lease clauses, such as escalation and electricity. In addition, he has an extensive background in buying, selling and financing real estate and a thorough knowledge of the Garment District.

Jack is a graduate of Wharton School of Finance, University of Pennsylvania, with a Bachelor of Science in Economics. He is a Real Estate Broker-Member of the Real Estate Board of New York

Over the years, Jack has done a great deal of volunteer work benefiting the neighborhoods where he does business, including working with: KIDS (Kids in Distressed Situations), the 34th Street Committee and the 34th Street Partnership (BID). He hosted thirty consecutive Earnie Awards Dinners (the Academy Awards for children’s wear designers) and for twenty five consecutive years hosted a Thanksgiving Day breakfast for several charities, including the Ronald McDonald House.