JEL Development was founded by David Kislin, who has built a 20+ year track record developing residential, multi-family, commercial, and mixed-use properties, with completed projects in New York City, Sagaponack, Westchester, and South Florida. From purchase and concept through completion and sale, we manage every aspect of development in-house. We co-invest or hold a majority position in every project, keeping our interests aligned with our investors and partners.