Harriet Tregoning, a long-time leader in smart growth,

Harriet Tregoning, a long-time leader in smart growth, was recently named the director of planning in Washington, DC. An ally of new urbanists, Tregoning helped to establish the Smart Growth Network at the EPA, then served as a cabinet-level secretary in charge of the Smart Growth Initiative of former Maryland Governor Parris Glendening. Most recently, she was the executive director of the Smart Growth Leadership Institute.