Matthew J. Haas is an associate practicing in the Firm's Litigation Department. Matt has significant experience advising clients through all phases of the litigation process, including pre-suit evaluation, discovery, trial, and post-trial motions. He has a deep understanding of the discovery process and its importance to effectively prepare a case for trial. Matt also has considerable experience conducting depositions on behalf of clients, and arguing substantive legal motions in Missouri and Illinois state courts.

Matt was selected for inclusion in Missouri & Kansas Rising Stars® in 2018-2021 as well as in Best Lawyers® Ones to Watch for 2021-2022.

Prior to joining Lewis Rice, Matt was a senior associate at Brown & James, P.C., where he focused on defending insurance companies in contractual coverage disputes.

Practice Areas


  • Saint Louis University School of Law (J.D., 2013)
    • Alpha Sigma Nu Jesuit Honors Society
  • Saint Louis University (B.S.B.A., 2009)
    • Finance, minor in Accounting

Legal Background

  • Brown & James, P.C. (2013-2016)
  • Law Clerk, Pleban & Petruska, LLC (2012-2013)
  • Summer Law Clerk, Betterman Law Offices (2011, 2012)

Corporate Background

  • International Tax Transfer Pricing Staff Consultant, BKD, LLP (2010)
  • Product Finance Intern, First Data Corporation (2008)

Professional Affiliations

  • Missouri Organization of Defense Lawyers (2015-present)


  • Missouri Bar
  • Illinois Bar
  • U.S. District Court, Eastern District of Missouri
  • U.S. District Court, Western District of Missouri

Charitable & Civic Activities

  • Member, Young Friends of St. Anthony's Charitable Foundation Committee (2014-2016)