US producer, songwriter, and manager active in US, Canada, and China. Took notice of Canadian band Stonebolt in 1977 while the band was in San Francisco and Stewart was road manager for Johnny Rivers. Stewart took them on as manager and producer and got them signed to Casablanca's imprint Parachute Records. General Manager of Soul City Records Inc. In 2000s produced for Anthony Hamilton. Owner of W. Stewart Productions Ltd. / W. Stewart Productions.