Justin is a founder and director of Cosmopolity, an organization which promotes progressive action through social interaction. In 2003, he co-founded Drinking Liberally, which has grown into a national network of democratic drinking clubs, and has spawned other initiatives to mix socializing with politics, including Laughing Liberally. He is also a founder and Artistic Director of The Tank, a space for emerging artists and activists. He has authored a history of New York City's playgrounds, produced a documentary on youth civic engagement in New York State, performed a 100-show improv comedy run and worked in the office of US Senator Hillary Rodham Clinton. He is a Hell's Kitchen resident & a New Jersey native.