John Kershman
John Kershman

Associate Mediator

Associate MediatorThis mediator has at least 40 hours of mediation training, has mediated at least 10 cases for at least 40 hours, agrees to take part in at least 12 hours per year of continuing mediation education, and subscribes to's required standards of mediation practice..Featured Member

John Kershman

John D. Kershman is a founding partner at Ahearn Kershman, LLC in Clayton, Missouri.  John focuses his practice on family law litigation and mediation in Missouri. He has assisted clients in collaborative family law matters and mediation as well as cases involving divorce, modification, paternity, child custody, adoption, contempt, international child custody (Hague Convention), and appeals. John is a member of the Hague Convention Attorney Network through the U.S. Department of State. He is a member of the IACP – International Academy of Collaborative Professionals, as well as, the AMM – Association of Missouri Mediators, and the APFM – Academy of Professional Family Mediators.

John received his Juris Doctorate from Washington University Law School in St. Louis. He earned his B.S. from St. John’s University in New York, and his Master’s Degree in Business from Webster University in St. Louis. He is admitted to practice in Missouri, including the Eastern and Western Federal Districts of Missouri as well as the Eighth Circuit Court of Appeals.  John has been an Adjunct Professor of Law at Washington University Law School since 2007 in their Trial and Advocacy Program and the Law School’s LLM program.

ADR Experience

From commercial litigation in Federal Courts to now a focus on Family Law exclusively.  Additionally trained and experienced in collaborative family law practice.


JD – Washington University In St. Louis


Areas Of Practice

  • Adult Family
  • Appellate
  • Divorce (all issues)
  • Divorce (parenting)
  • Estate Planning
  • Family
  • Marital Mediation
  • Non Profits
  • Online Mediation
  • Prenuptial
  • Professional Fees
  • School/Education

Additional Services

  • Collaborative Professional
  • Estate Planner
  • Mediator-Arbitrator

Liability Insurance

  • Yes

Professional Associations

  • AMM - Assoc. of Missouri Mediators
  • APFM - Acad. of Professional Family Mediators
  • IACP - International Academy of Collaborative Professionals

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