Matthew Sinkman
Recognized since 2026
New York, New York
Environmental Law
Litigation - Environmental
Mr. Sinkman represents plaintiffs and defendants in Superfund and other litigation matters regarding the cleanup of hazardous waste sites. He also represents buyers, sellers, and developers of contaminated properties, including parties seeking qualification for tax credits and other benefits provided by New York State’s Brownfield Cleanup Program. Mr. Sinkman’s practice also includes assisting clients with a wide variety of environmental compliance matters.
Mr. Sinkman is a former Assistant Attorney General in the New York State Office of the Attorney General’s Environmental Protection Bureau. In that role, he represented New York State and its agencies in Superfund matters; litigation against the federal government and private parties seeking in excess of $50 million for PFAS contamination at 69 sites; litigation against an international organization seeking more than $40 million in flooding damages; and other environmental enforcement matters.
Prior to joining the Attorney General’s Office, Mr. Sinkman was in private practice in New York City.
- One Pennsylvania Plaza, 45th Floor Ste 4515
New York, NY 10119-3701
- University of Michigan, B.A., graduated 2001
- Boston University School of Law, J.D., graduated 2007
- New Jersey, New Jersey State Bar Association, 2022
- New York, New York State Bar Association, 2008
- New York State Bar Association - Executive Committee, Environmental & Energy Law Section, 2019 – Present
- New York State Bar Association - Co-Chair, Enforcement and Compliance Committee, Environmental & Energy Law Section, 2019 – Present
- New York State Bar Association - Member, Global Climate Change Committee, Environmental & Energy Law Section
- New York State Bar Association - Member, Hazardous Waste/Site Remediation Committee, Environmental & Energy Law Section
- New York City Brownfield Partnership Board of Directors - Member
- New York City Bar Association, International Human Rights Committee, 2016 – 2019 - Member
- Earth Day Climate Change Symposia, 2020-2025, sponsored by the New York State Bar Association and New York City Bar Association - Co-Chair and Principal Organizer
- United States District Court for the District of New Jersey
- United States District Court for the Western District of New York
- United States District Court for the Southern District of New York
- United States District Court for the Northern District of New York
- United States District Court for the Eastern District of New York
- New York - Trial Courts
58 The Best Lawyers in America® awards
6 Best Lawyers: Ones to Watch® in America awards
Visit Website View Firm Profile - Environmental Law
- Litigation - Environmental
Included on the New York Metro Super Lawyers Rising Stars list, Business Litigation, 2014-2016
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