Mr. Kennedy serves as Chief Prosecuting Attorney for the Hudson Riverkeeper and President of Waterkeeper Alliance. He is also a Clinical Professor and Supervising Attorney at Pace University School of Law’s Environmental Litigation Clinic and is co-host of Ring of Fire on Air America Radio. Earlier in his career he served as Assistant District Attorney in New York City. He has worked on several political campaigns including the presidential campaigns of Edward M. Kennedy in 1980, Al Gore in 2000 and John Kerry in 2004.

He has worked on environmental issues across the Americas and has assisted several indigenous tribes in Latin America and Canada in successfully negotiating treaties protecting traditional homelands. He is credited with leading the fight to protect New York City's water supply. The New York City watershed agreement, which he negotiated on behalf of environmentalists and New York City watershed consumers, is regarded as an international model in stakeholder consensus negotiations and sustainable development. He helped lead the fight to turn back the anti-environmental legislation during the 104th Congress.

Among Mr. Kennedy's published books are the New York Times’ bestseller Crimes Against Nature (2004), St. Francis of Assisi: A Life of Joy (2005), The Riverkeepers (1997), and Judge Frank M. Johnson, Jr: A Biography (1977). His articles have appeared in The New York Times, The Washington Post, Los Angeles Times, The Wall Street Journal, Newsweek, Rolling Stone, Atlantic Monthly, Esquire, The Nation, Outside Magazine, The Village Voice, and many other publications. His award winning articles have been included in anthologies of America’s Best Crime Writing, Best Political Writing and Best Science Writing.

Mr. Kennedy is a graduate of Harvard University. He studied at the London School of Economics and received his law degree from the University of Virginia Law School. Following graduation he attended Pace University School of Law, where he was awarded a Masters Degree in Environmental Law.

He is a licensed master falconer, and as often as possible he pursues a life-long enthusiasm for white-water paddling. He has organized and led several expeditions in Canada and Latin America, including first descents on three little known rivers in Peru, Colombia, and Venezuela.