E lly Reisman is a Canadian real estate developer who built his fortune as a key partner in Great Gulf, one of Canada's largest and most successful homebuilding and real estate development companies. The company was founded by his partners, the Geriatric brothers. Reisman was instrumental in the company's growth and operations for many years.

Great Gulf is a major developer of a wide range of properties, from single-family homes and master-planned communities to high-rise luxury condominiums in cities like Toronto and across North America. Reisman served as a president and partner at the company, helping to steer its expansion and its most ambitious projects. His wealth is derived from his long and successful career building this privately held real estate giant.