John Kershman

230 S Bemiston
Clayton, Missouri 63105
United States
Office Phone: 3143737135
Member since 2015
Membership Type: IACP


Lawyer, Mediator

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.

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.  

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. He has been recognized by the National Association of Distinguished Counsel as a Member of the Top One Percent Attorneys since 2015 and has maintained an AVVO Superb 10.0/10.0 Rating since 2014.

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. He is an instructor for the LLM program in Constitutional Law and has also taught Introduction to U.S. Law and Methods.  Additionally, he is an instructor in Introduction to Education Law in the Law School's Master's Program. 

Area(s) of Practice: Complex domestic litigation and appeals including International Child custody, family law mediation and Collaborative family law.
License(s): Missouri United States District Court for the Eastern and Western Districts of Missouri United States Court of Appeals for the Eighth Circuit

Professional Activities

Missouri Bar

Undergraduate Education

St. John's University

Postgraduate Education

Webster University

Professional Education

Washington University in St. Louis School of Law