Cary is the founder of Kletter Law, a San Mateo civil litigation law firm focusing on real estate and employment matters. Cary is also an active real estate investor, organizing real estate syndicates for multi-family apartment building renovation in San Mateo County. Cary and his wife Ha Nguyen are the parents of a Kehillah student and students at the Wornick Jewish Day School in Foster City. Cary is also active in the Belarus Holocaust Memorial Project which creates and maintains holocaust memorials at sites of atrocities during WWII in Belarus.