LAWYER PROFILE
Matthew J Brennan

Matthew J Brennan

USA 2026

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Ranked in 1 practice area

About

Provided by Sullivan & Cromwell LLP

USA

Practice Areas

Environmental, Social & Governance (ESG); Capital Markets; Credit & Leveraged Finance; Environmental Transactions; Mergers & Acquisitions; and Real Estate.

Career

Special Counsel since 1998. Provides environmental advice on a broad range of commercial transactions. Supports the Firm’s M&A, Project Finance, Real Estate, Securities and Finance Groups in evaluating environmental liabilities and risks, in structuring transactions to minimize risk and in negotiating the allocation of environmental responsibilities between parties in transactions. Over the last three decades, has provided environmental advice to a great number of lenders, corporations and governments in a variety of commercial matters.

Clients include American Equity Investment Life, Amgen, Anheuser-Busch InBev, AT&T, Baxter International, BNY Mellon, Bayer, Biohaven, BP, C&S Wholesale Grocers, California Resources, Canadian Pacific Kansas City, Castor Marine, Cementos Argos, Cheniere Energy, Chevron, Chubb, CNH Industrial, CPPIB, Enbridge, Energizer Holdings, Gildan, Goldman Sachs, Greenbelt Conservancy, HomeStreet, JP Morgan, Kering Beauté, Kidde-Fenwal, Kinross Gold, Kraft, L3Harris, Lundin Mining, M&T Bank, Mitsui, Philips, Rhône Capital, Rio Tinto, Royal Bank of Canada, Seagen, Standard Industries, Subway, Tadano, UBS, UnitedHealth Group, United Rentals, Volkswagen and Wells Fargo.

Professional Memberships

Member of the New York City Bar Association; Member of the American Bar Association; Member of the New Jersey Bar Association; President, Board of Directors of The Opportunity Center.

Personal

University of Pennsylvania Law (JD, 1986); SUNY at New Paltz (BA, 1979).

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Environment: Mainly Transactional - New York

Band 1
Band 1

Individual Editorial

Matthew Brennan is highly regarded for his transactional liability and compliance practice. He acts for large clients in the energy, telecoms and manufacturing sectors.

Strengths

Provided by Chambers

  • Matt Brennan is excellent and knowledgeable. He zealously represents his client but recognizes that he needs to get a deal done.

    Environment: Mainly TransactionalChambers Guide to the USA

Ranked Individuals at Sullivan & Cromwell LLP (140)

California

California: Los Angeles & Surrounds

California: San Francisco, Silicon Valley & Surrou

District of Columbia

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