Katherine Vojas focuses her practice on litigation and defending major hospitals, doctors, nurses and other professionals against claims of medical malpractice. A member of the firm’s award-winning Mass Tort and Catastrophic Loss practice area, she also defends clients in litigation alleging catastrophic injuries as a result of product liability and premises liability.

Katie works with clients in every stage of litigation, spanning state and federal jurisdictions. She formulates defense strategies, motion procedures, discovery processes, settlement negotiations, trial proceedings and appeals. Katie regularly conducts depositions for both fact and expert witnesses. She is also skilled in the seamless management and coordination of intricate litigation matters on behalf of clients.

Katie has appeared in various Illinois and Missouri state courts and has tried two cases to verdict in the City of St. Louis.


Prior to joining Armstrong Teasdale, Katie was a litigation associate at a midsize St. Louis law firm. She also previously served as a law clerk at a St. Louis personal injury law firm.


  • Saint Louis University School of Law  (J.D., 2020)
    • Civil Litigation Certificate
    • Civil Litigation Clinic, Rule 13 Student Attorney
    • Saint Louis University Law Journal, Editor and Staff Member
    • First Chair Society, President
    • Women’s Law Student Association
    • Health Law Association
  • Saint Louis University  (B.A., cum laude, 2017)
    • Legal Studies and Sociology
    • Alpha Kappa Delta International Honor Society
    • Student Advisory Committee, Senior Representative and Social Media Content Advisor
    • Amicus Curiae


  • Missouri
  • Illinois
  • Supreme Court of Illinois
  • Supreme Court of Missouri
  • U.S. District Court, Central District of Illinois
  • U.S. District Court, Southern District of Illinois
  • U.S. District Court, Eastern District of Missouri
  • U.S. District Court, Western District of Missouri

Professional Activities

  • American Bar Association
  • The Missouri Bar
  • Bar Association of Metropolitan St. Louis, Women in the Legal Profession Board (Secretary)
  • Missouri Organization of Defense Lawyers
  • Defense Research Institute, Medical Malpractice Steering Committee Member
  • Women’s Foundation St. Louis
  • Women Lawyers’ Association of Greater St. Louis

Charitable and Civic Involvement

  • LeadMO (Board Member and Secretary)
  • Hired Up! Missouri


  • 2023 YWCA Leader in the Workplace
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