A native of Oakland, he spent 15 seasons in the major leagues and was a member of three world championship teams. As a pitcher for the Oakland A’s, he posted four consecutive 20-win seasons. He was formerly the pitching coach and special assistant to the general manager of the San Diego Padres. Mr. Stewart was also the assistant general manager for the Toronto Blue Jays. A long-time community activist, he established and directs the Dave Stewart Foundation.