Joseph Callaghan is an associate in Mayer Brown’s Chicago office and a member of the Litigation & Dispute Resolution practice. He has experience in all phases of litigation, including motion practice, discovery, hearings, trial, post-trial briefing, and appeals. Prior to joining Mayer Brown, Joe worked for a boutique firm and represented businesses of all sizes, including Fortune 500 clients, in complex commercial litigation disputes and alternative dispute resolution proceedings.


University of Notre Dame Law School, JD, cum laude

  • Associate Editor, Journal of College & University Law; President, Moot Court Board

Loras College, BA, magna cum laude


  • Illinois


  • US District Court for the Northern District of Illinois


  • American Bar Association
  • Illinois State Bar Association
  • Chicago Bar Association