Occupational and environmental health; designing effective safety systems; creating systems of production that do not harm workers or the environment; drivers for corporations to create those systems of production and overcoming obstacles that they encounter to this endeavor, public health improvements as social change. Current focus is safety systems and safety culture. Recent projects include: 1)health and safety curriculum development for the United Steelworkers of America, 2) health and safety systems in former nuclear weapons production sites and 3) improving safety conditions in the offshore wind industry.