Paul, Weiss, Rifkind, Wharton & Garrison LLP

The New York-based environmental team at Paul, Weiss, Rifkind, Wharton & Garrison LLP is a key advisor on a number of transactions across financings, acquisitions, sales, restructurings, and real estate transactions for private investment funds, companies, and creditors. Notably, the firm has competence across ESG matters, with work encompassing ESG reporting, risk, and compliance concerns. The practice is co-led by William J. O’Brien, who frequently advises public and private companies on the environmental aspects of restructurings, financings, M&A, and securities offerings and Julia Quigley, who is a key advisor to the healthcare, energy, automotive, and infrastructure industries on the environmental concerns impacting M&A and restructuring transactions. Stefanie Gitler joined the team in Washington DC in March 2025, formerly of Kirkland & Ellis LLP.