Dara O'Rourke is an environmental scientist, information scientist and professor at the University of California, Berkeley where he holds an appointment in the Department of Environmental Science, Policy, and Management. O'Rourke is the founder of GoodGuide, an online consumer tool for retrieving information about the supply chain of consumer products such as toys, food, and detergents. GoodGuide was acquired in 2012 and shut down in 2020. Prior to teaching at Berkeley, O'Rourke taught at the Massachusetts Institute of Technology.