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Peter J. Loughran is a corporate partner and member of the firm’s Capital Markets Group. He concentrates his practice in capital markets transactions and securities law, regularly advising on U.S. and international securities offerings and a broad range of corporate governance matters.

Mr. Loughran is ranked as a leading lawyer by Chambers USA (2007–2024) and Chambers Global (2008-2024), where clients note that he is “an outstanding attorney” with “an excellent breadth of knowledge.” They say that “he stands out with his ability to be strategic and commercial” and that “he is clear and balanced in providing insights, highly dedicated and has a commitment to delivering for his clients.” Sources have also described him as “a top-notch transactional lawyer,” who “is able to take the legal world and break it down into easily digestible pieces for non-lawyers.” He receives further praise as an “extremely wise and experienced” lawyer with a “a very level head” and “confident demeanor,” who is “held in high esteem by both issuers and underwriters,” “thinks like the business does,” “always has the right advice” and “stays calm even in crisis mode.” He is also recognized by The Legal 500 US (2014–2023) and has been recognized by PLC Which Lawyer?, IFLR1000 (2022) and the IFLR’s Guide to the World’s Leading Capital Markets Lawyers. Mr. Loughran is a member of the TriBar Opinion Committee, the Working Group on Legal Opinions and the American Bar Association Legal Opinions Committee. Mr. Loughran has served on the Association of the Bar of the City of New York’s Committee on Financial Reporting and the Securities Regulation Committee.

Mr. Loughran joined Debevoise in 1989. He received his B.A. from Georgetown University in 1986 and his J.D. from Columbia University School of Law in 1989.


  • Columbia Law School, 1989, J.D.
  • Georgetown University, 1986, A.B.

Bar Admissions

  • Connecticut
  • New York