Matthew Fenn is an associate in Mayer Brown’s Chicago office, where he practices in the firm’s Litigation & Dispute Resolution practice. His practice includes representing financial institutions and businesses in complex commercial litigation in both state and federal courts. Matt also represents clients in the commercial, pharmaceutical, and financial sectors in international breach of contract disputes.

Matt served as a law clerk to the Honorable Cathy Seibel of the United States District Court for the Southern District of New York. Prior to joining the Firm, Matt received his law degree cum laude from Fordham University School of Law, where he was Editor-in-Chief of the Fordham Law Review and received the Best Brief award at the William Hughes Mulligan Moot Court Competition. Matt received a masters degree in Teaching from Pace University and a bachelors degree in History and English from Washington University in St. Louis.


Washington University in St. Louis, BA

Pace University, MS

Fordham University School of Law, JD, cum laude
Editor-in-Chief, Fordham Law Review


  • Not admitted in Illinois. Practicing under the supervision of firm principals.
  • New York