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John D. Kershman

John D. Kershman is a founding partner at Ahearn Kershman, LLC in Clayton, Missouri.  John D. Kershman focuses his practice on complex domestic litigation, appeals, mediation, and Collaborative family law in Missouri. He has assisted clients in collaborative matters and mediation as well as cases involving divorce, modification, paternity, child custody, adoption, contempt, international child custody, and appeals.

Mr. Kershman 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.  He is a member of the IACP - International Academy of Collaborative Professionals, as well as, the AMM - Association of Missouri Mediators, and the APFM - Acadamy of Professional Family Mediators.

John D. Kershman 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. Mr. Kershman is an instructor in the LLM program's Introduction to U.S. Law and Methods.  And, he is an instructor in Introduction to Education Law in the Law School's Master's Program.


  • We Make Divorce and Custody Disputes Much Easier on Our Clients

    Mr. Kershman represented me in my original divorce and a subsequent custody modification. I strongly recommend this firm. Mr. Kershman is very knowledgeable and responsive. My interests and the interests of my children were well represented. More than just going through the motions, Mr. Kershman ...
  • We Make Divorce and Custody Disputes Much Easier on Our Clients

    I would recommend John to anyone going through a divorce. John provided me expert advice, clarity, and sound decision making at a critical point in my life. My case was complex in the fact that my ex owned his own business, and John provided the insight to investigate all possibilities to ensure ...



Ahearn Kershman LLC is a Clayton based law firm serving clients throughout St. Louis County, St. Louis City, and St. Charles County.

230 S Bemiston Ave
Suite 770

Clayton, MO 63105
(314) 774-2575
Fri: 09:00am - 03:00pm
Mon, Tue, Wed, Thu: 09:00am - 05:00pm