John advises a broad range of clients on U.S. and cross-border M&A transactions, including strategic and private equity acquisitions and dispositions, leveraged buyouts and other transactional and corporate governance matters. He also regularly counsels many of the world’s leading investment banks on financial advisory matters. John has been a frequent speaker on M&A and tender offer transaction topics and has served as adjunct professor at Benjamin N. Cardozo School of Law, where he led a class on private equity transactions.

John is recognized as a leading lawyer for M&A and private equity transactions by numerous industry guides, including Chambers USA: America's Leading Lawyers for Business, The Legal 500 and International Financial Law Review where he is described as “an extremely skillful practitioner” with a “reputation for work in leveraged buyouts,” as well as “responsive, hard-working, well-informed and thorough.”