Henry Henderson is the director of NRDC's Midwest office, which opened in Chicago in 2007. He was the founding commissioner for the City of Chicago's Department of Environment from 1992 to 1998, and served as the Illinois assistant attorney general from 1985 to 1987. As commissioner, he developed an environmental mission for the city, which included the development of the Chicago Brownfield Initiative, a natural resources rehabilitation initiative, the city's energy policies and utility regulations, and Chicago's clean air initiative to improve regional air quality while promoting economic development. He has taught environmental law and policy at the University of Chicago and the University of Illinois at Chicago. He blogs on NRDC’s Switchboard.