Experienced Mediator & Arbitrator

Available for in-person, virtual or hybrid sessions for all ADR cases.

Jerry Diekemper has been a Missouri attorney since 1972 and now focuses exclusively on alternative dispute resolution, including mediation and arbitration. He also serves as an independent investigator and expert witness.

With over 1,800 mediations since 1993, Jerry brings unmatched experience in resolving complex disputes. Before shifting to ADR, he spent 34 years practicing labor and employment law, representing unions and employees.

Jerry has been consistently recognized in Best Lawyers in America (annually since 1983), Best Law Firms in America, and .Missouri and Kansas Super Lawyers. He has been to the Top 100 Lawyers List in Missouri and Kansas, Top 50 Lawyers List  in St Louis, Best Labor & Employment Lawyer in St. Louis (2011) and Best Arbitrator (2013). He is a Fellow of the College of Labor and Employment Lawyers, a member of the National Academy of Arbitrators, the Association of Attorney Mediators, the FMCS Roster of Arbitrators, and the American Arbitration Association Panels for Mediation and for Employment, Labor and Commercial Arbitration, and a member of the National Association of Distinguished Neutrals.

He is a certified mediator for federal and state courts, including the Eastern District of Missouri, Southern District of Illinois, and St. Louis Circuit Courts.