"Matthew Kowalski is a recovery coach, certified addiction counselor and motivational speaker who has worked with recovering addicts in both clinical and 12-step settings since 1998. He is an abstract artist who creates multi-media works in his own Radical Relief style. A professional multi-instrument musician, Matt played drums and guitar and sang with dozens of bands in San Francisco in the 1980s. He continues to play in the East Bay. He and his wife, Kathryn Sterbenc, reside in Oakland, Calif."