The Staten Island-based self-defense program focuses on teaching reality-based physical and mental skills. The program is open to all non-JCC members as well as JCC members ages 13 and older. Chai Defense also offers seminars to schools, workplaces, and houses of worship. If you run a new business on Staten Island and would like to be featured, e-mail jgorman@siadvance.com. Chai Defense at a GlanceAddress: Joan & Alan Bernikow JCC of Staten Island, 1466 Manor Rd., 10314Phone: 929-277-1863Website: www.chaidefense.comSocial Media: Facebook | Instagram | YouTube