Justin Welply is in the firm’s litigation group and concentrates his practice on a wide variety of business disputes, including contract, real estate, construction, and fiduciary/trust litigation.  In addition to trial and litigation experience before federal and state courts, Justin has extensive experience with arbitration and equitable relief, including temporary and preliminary injunctions, writs and mandamus.

Justin counsels a wide range of businesses from corporations to family-owned businesses, as well as real estate, manufacturing, professional medical organizations, hospitality, and other industries.  He is a trusted business partner for his clients who rely on his straightforward advice and judgment.

He joined Carmody MacDonald as a principal in 2022 and prior to that, was a partner at a large Midwest-based regional firm where he practiced commercial litigation.

Justin earned his J.D., Cum Laude, from Saint Louis University School of Law and obtained a B.A. in Economics from Bellarmine University in Louisville, Kentucky.

  • Saint Louis University School of Law, J.D., 2012, cum laude
  • Bellarmine University, Louisville, Kentucky
    • B.A., Economics and Business Administration, 2009
      • John T. Loftus Award for Academic and Athletic Achievement
      • Dean’s List
      • NSCAA All-Region Selection
      • Great Lakes Valley Conference All-Region
      • Varsity Soccer (Team Captain 2007-2009)


  • Missouri
  • Illinois
  • United States Court of Federal Claims
  • United States District Court, Southern District of Illinois
  • United States District Court, Eastern District of Missouri
Community Involvement
  • The Missouri Bar
  • The Illinois Bar
  • American Bar Association
  • Bar Association of Metropolitan St. Louis
  • Best Lawyers – The Best Lawyers in America – Commercial Litigation (2022-present)
  • Super Lawyers – Missouri & Kansas Rising Stars (2017-present)
Publications & Presentations
  • “When, Where, and Why the First Amendment Protects the Right to Record Police Communications: A Substantial Interference Guideline for Determining the Scope of the Right to Record and for Revamping Restrictive State Wiretapping Laws.” Saint Louis University Law Journal (2013)