John L. Brennan is a partner in the Litigation Department. He focuses primarily on the representation of corporations and financial institutions in complex commercial litigation and enforcement actions, including litigation arising out of mergers and acquisitions, class action litigation, and bankruptcy litigation. John has represented public and private companies in various industries, including finance, technology, insurance, and consumer retail.



University of Notre Dame Law School, J.D. (magna cum laude), 2016 University of Notre Dame, B.A., 2013

Bar Admissions

New York, 2017

Court Admissions

United States District Court, Southern District of New York

Events & Speaking Engagements