John O'Loughlin > Weil, Gotshal & Manges LLP > Washington DC, United States > Lawyer Profile

Weil, Gotshal & Manges LLP
2001 M STREET, NW, SUITE 600
United States
John O'Loughlin photo




John O’Loughlin’s practice encompasses a wide range of administrative and regulatory compliance matters, with a particular focus on product stewardship and compliance with health and safety regulations. He advises clients in matters under the jurisdiction of the Environmental Protection Agency, the Food and Drug Administration, the Consumer Product Safety Commission, the Occupational Safety and Health Administration, and the Nuclear Regulatory Commission. He also counsels clients on compliance matters involving sensitive products and services in cross-border transactions. He has worked on numerous mergers, acquisitions and other transactions over the past two and a half decades, advising financial institutions, strategic buyers and sellers, private equity funds, pension funds, sovereign wealth funds and other investors. He has experience working with both lenders and borrowers on debt financings, underwriters and issuers on equity offerings, and investors and managers in the fund formation context.


University of Maryland School of Law (J.D., 1996); Boston University (M.A., 1985); Towson University (B.S., 1983).

Lawyer Rankings

United States > Industry focus > Environment: transactional

Fielding a team of Washington practitioners with Wall Street business sensibilities, Weil, Gotshal & Manges LLP‘s environmental transactional team is rated for its longstanding experience in this field. Its impressive track record features high-value M&A, divestitures, financings, restructurings and securities disclosures in almost every environmentally-sensitive industry, including hazardous waste management, heavy manufacturing, chemicals, and energy. In the last year alone, the environmental group advised on more than 100 M&A and private equity deals with a total deal value of over $190bn. SPAC IPOs and De-SPAC transactions are a particular area of strength for the firm, and the team is also often involved in real estate acquisitions and bankruptcy matters. Additionally, the group offers advice to corporate clients on ESG and sustainability concerns, including those related to climate change, in the context of company operations as well as investment and financing processes. Department head Annemargaret Connolly  enjoys a strong reputation in the market for her involvement in highly complex and environmentally challenging transactions. She is based in Washington DC, and works closely with the firm’s European and Asian offices in cross-border deals. Also in DC, Thomas Goslin is noted for his experience of transactional mandates involving the renewable and traditional energy and natural resources sectors, while Matthew Morton is increasingly active in mandates pertaining to sustainability and ESG factors on behalf of corporations, institutional investors and private equity sponsors. Counsel John O’Loughlin is another contact for private equity, corporate and financial services clients.