John Greenthal is a partner at Nixon Peabody LLP, concentrating on environmental remedial matters, brownfield and Superfund projects, and in the defense of environmental enforcement matters, particularly in the hazardous waste area. Best Lawyers has named Greenthal the Albany Environmental Lawyer of the Year for 2011

He is the former Director of New York State's Dept. of Environmental Conservation's Division of Environmental Enforcement, where he was responsible for overseeing enforcement of the state's inactive hazardous waste remediation program (State Superfund) and all other state hazardous waste enforcement activities. Greenthal previously sat as Chair of the Northeast Hazardous Waste Project and the Environmental Law Section of the NYS Bar Association.