Seth A. Brown is a real estate investor and entrepreneur dedicated to improving America's cities. As founder and principal of Aspen Equities LLC, he focuses on green residential development in New York City’s growing neighborhoods, with a particular interest in Brooklyn and Lower Manhattan. In 2002, Seth co-founded Next City, a not-for-profit organization that promotes socially and environmentally sustainable economic growth in America’s cities. Described by The New York Times as a “subtle plan to change the world,” the organization grew from a volunteer-led startup into a not-for-profit media organization with national impact.