Don O'Keefe

Donald L. O’Keefe has 25 years of experience as a trial lawyer.  In all, he has tried more than 100 cases to verdict in state and federal courts in Missouri and Illinois and arbitrations before the American Arbitration Association and United States Arbitration and Mediation.  Don has argued before appellate courts in both Missouri and Illinois and has been before the Missouri Supreme Court on multiple cases.

Don was admitted to the Bar in Missouri in 1991 and the Bar in Illinois in 1992. He is also admitted to practice in the United States District Court for the Eastern District of Missouri, United States District Court for the Western District of Missouri, United States District Court for the Southern District of Illinois, United States District Court for the Central District of Illinois, and the United States Court of Appeals for the Eighth Circuit. He regularly argues before the Appellate Courts in both Missouri and Illinois.  He is AV rated with Martindale Hubbell and received his law degree from the University of Missouri – Columbia.

Don is a member of the Defense Research Institute (DRI), a member of Trucking Industry Defense Association (TIDA), The Missouri Bar, the Illinois State Bar Association, the Missouri Organization of Defense Lawyers, and American Bar Association.

Don also worked as the city attorney/city prosecutor for a local municipality from 1997 – 1999. He participated in the International Association of Defense Counsel’s Trial Academy in Boulder, Colorado in 1994.

Don was recognized in the Missouri Lawyers Weekly as having the top defense verdict for 2007 for a catastrophic trucking case.

Publications and Seminars

  • “Admissibility of Biomechanical Expert Testimony in Low-Speed Collisions”, May 24, 2016 (Rogers, AR)
  • “Social Media and Electronic Devices in the Courtroom-A Clash of Old and New”, Missouri Judges Advanced Trial Skills Program, Lake Ozark, Missouri, March 7, 2013.
  • “Employment Impact on Claims and Coverage,” June 6, 2012 Springdale, Arkansas
  • “Accident Evidence Evaluation in Trucking,” May 18, 2012 New Orleans, Louisiana
  • “Truck Accident Litigation from Start to Finish,” December 8, 2010 (St. Louis, Missouri)
  • Nashville Transportation Seminar, The Harmonie Group, August 4, 2010 (Nashville, Tennessee)
  • “Handling the Catastrophic Injury Case,” May 12, 2010 (St. Louis, Missouri)
  • Dallas Transportation Seminar, The Harmonie Group, August 4, 2009 (Dallas, Texas)
  • Defending the Catastrophic Brain Injury Case, A Mock Trial, July 30, 2009 (St. Louis, Missouri)
  • Chicago Transportation Seminar, The Harmonie Group, July 16,2008 (Chicago, Illinois)
  • “Advanced Expert Witness Deposition Tactics,” November 30, 2007 (St. Louis, Missouri)
  • “Advanced Expert Witness Deposition Tactics,” October 24, 2006 (St. Louis, Missouri)
  • “Handling, Preparing, and Cross-Examining Experts,” June 27, 2003 (St. Louis, Missouri)
  • Donald L. O’Keefe and Timothy W. Callahan Something More Than What? A Primer for the Missouri Lawyer, 61 J. Mo.Bar 246 (2005).
  • “The Missouri Tort Reform Legislation,” August 11 2005 (St. Louis Missouri)
  • “Something More’ Stepping Outside the Workers’ Comp. System,” October 1, 2004 (St. Louis, Missouri)
  • “Your Witness: Finding, Preparing and Using Your Expert in Federal Court,” April 9, 2003 (St. Louis, Missouri)
  • “Personal Injury Settlements in Missouri: Practical Methods for Perfecting the Settlement of a Claim,” January 30, 2003 (St. Louis, Missouri)
  • “Subrogation and Other Means of Recovery in Missouri and Illinois,” October 24, 2002 (St. Louis, Missouri)
  • “Trying the Wrongful Death Case in Missouri: Strategies in Preparation & Valuation,” December 19, 2001 (St. Louis, Missouri)
  • “Inside the Jury Box: An In-Depth Discussion of Juror Perspectives,” August 2, 2001 (St. Louis, Missouri)
  • “Evidence and Hearsay in the Missouri Courtroom,” April 5, 2001 (St. Louis, Missouri)
  • “Keeping the Lid on Premises Liability Cases,” July 27, 2000 (St. Louis, Missouri)
  • “Personal Injury Settlements in Missouri: Practical Methods for Perfecting the Settlement of a Claim,” March 30, 2000 (Clayton, Missouri)
  • “Survey of Recent Truck Verdicts in High Verdict Venues: What Works / What Doesn’t and Settlement,” August 27, 1999 (St. Louis, Missouri)
  • “Handling Tractor – Trailer Accidents in Missouri and Illinois – A Primer from the Defense Perspective,” Lumber Mutual Insurance Company, July 1, 1999 (Minneapolis, Minnesota)


  • Member, Trucking Industry Defense Association (TIDA)
  • Member, Product Liability Advisory Council (PLAC)
  • Member, Defense Research Institute
  • Board Member, Missouri Organization of Defense Lawyers
  • Member, The Missouri Bar
  • Member, The Illinois Bar


  • Insurance Trial Academy, International Association of Defense Counsel, Boulder, Colorado
  • University of Missouri, Columbia
    •        -J.D.
  • St. Mary's University, San Antonio, Texas
    •        -B.A., English - Communication Arts, Summa Cum Laude


  • Missouri
  • Illinois
  • United States District Courts
    • Western District of Missouri
    • Eastern District of Missouri
    • Southern District of Illinois
    • Central District of Illinois
  • United States Court of Appeals for the Eighth Circuit


  • Missouri and Kansas Super Lawyers List: Top Rated Transportation/Maritime Attorney, St. Louis, MO - 2015-2018
  • KC Magazine Top Attorneys in Missouri and Kansas - 2015
  • Oral Arguments - Missouri Supreme Court / Missouri Court of Appeals / Eighth Circuit Court of Appeals
  • Negotiation Tournament Finalist, University of Missouri - Columbia
  • Moot Court Finalist, University of Missouri - Columbia
  • Oral Arguments Finalist, University of Missouri - Columbia
  • Chairman of the Honor Code Committee, University of Missouri - Columbia
KC Magazine Top Attorney in Missouri and Kansas - Don O'Keefe


  • Founding Principal, Gausnell, O’Keefe & Thomas, LLC (2019 - Present)
  • Principal, Pitzer Snodgrass, P.C. (2011 - 2018)
  • Principal, Rabbitt, Pitzer & Snodgrass, P.C. (1998 - 2010)
  • City Attorney / City Prosecutor, City of Olympian Village, Missouri (1997-1998)
  • Associate, Rabbitt, Pitzer & Snodgrass, P.C. (1991 - 1998)
  • Legal Counsel, Chesterfield Baseball & Softball Association (2012 - Present)