John H. Mathias, Jr. is a senior litigation partner and veteran trial lawyer whose practice focuses upon contract litigation, insurance and reinsurance, labor and employment, class actions, unfair competition, securities, intellectual property, and complex commercial disputes of all kinds. He is co-chair of the firm’s Insurance Recovery and Counseling Practice and oversees its Reinsurance Practice. Clients seek his advice and representation in difficult matters requiring sophisticated strategy, execution and advocacy.

Mr. Mathias is a versatile commercial litigator with significant recent success on behalf of a national trucking company in defeating a large Title VII employment discrimination class action brought by the EEOC both in the district court and on appeal to the Eighth Circuit. Beyond the defense of difficult cases like this, his practice emphasizes pursuing contract and similar commercial claims on behalf of clients, especially insurance coverage claims.

Since 2004, Chambers and Partners USA has consistently ranked Mr. Mathias as a leading lawyer in Insurance Law. In 2013, Chambers USA gave its prestigious “Award for Excellence in Insurance (Policyholder)” to the firm’s Insurance Litigation and Counseling Practice, which Mr. Mathias chairs, recognizing it as the best policyholder-side practice in the country. Shortly thereafter, the National Law Journal named his group the “Chicago Litigation Department of Year: Insurance.” Benchmark Litigation has named Mr. Mathias a national Insurance Litigation Star. He has co-authored more than 20 legal publications, including Insurance Coverage Disputes (Law Journal Press) and Directors and Officers Liability: Prevention, Insurance and Indemnification (Law Journal Press), two of the leading treatises in the insurance field. He is also a fellow of the American College of Coverage Counsel, a preminent organization of policyholder- and insurer-side counsel.

Mr. Mathias has been an active member of the American Bar Association’s Section of Litigation for many years, formerly serving on its leadership Council and co-chairing various Section committees, including the Insurance Coverage Litigation Committee. He is also a past Chair of the ABA's Death Penalty Representation Project Steering Committee. He has successfully represented five clients in death penalty cases on a pro bono basis.

Prior to joining Jenner & Block, Mr. Mathias served as trial defense counsel in the US Navy JAG Corps where he tried hundreds of court martials in Long Beach, CA, San Diego, CA, and Jacksonville, FL.

He is AV Peer Review Rated, Martindale-Hubbell’s highest peer recognition for ethical standards and legal ability.