P. Oswin (Os) Chrisman

Hon. P. Oswin (Os) Chrisman (Ret.)

JAMS Mediator, Arbitrator, Special Master

Case Manager
Carolina El'Azar
T: 214-891-4525
F: 214-720-6010
8401 N. Central Expressway, Suite 610, Dallas, TX 75225

P. Oswin (Os) Chrisman is available to conduct cases virtually. JAMS is equipped to provide virtual ADR services on a variety of online platforms, including Zoom, Microsoft Teams, WebEx, and more.


Hon. P. Oswin (Os) Chrisman (Ret.) brings to JAMS 13 years of experience as a judge in the family, probate and district courts of Dallas County; and 20 years as a practicing attorney with major law firms in the Dallas area. Judge Chrisman specializes in dispute resolution for healthcare issues, employer/employee, labor relations, and professional malpractice disputes. He has significant expertise in the areas of family law, probate law, commercial litigation, and personal injury matters.

ADR Experience and Qualifications

  • Successfully resolved over 600 cases as a mediator and arbitrator
  • Specializes in employer/employee, labor relations, professional malpractice, and healthcare disputes
  • Considerable experience in healthcare law, probate law, and commercial litigation

Representative Matters

  • General Motors Corporation v. American Ecology Environmental Services Corporation et al.
  • City of Louisville v. City of Highland Village (water and sewer rights in dispute)
  • Ursula Cory et al. v. OS Bonanza 9435Q, Inc. et al. (wrongful death in airplane accident)
  • Estate of Ruby Carville Dean (probate matter)
  • Fred A. Hammond v. Texas Commerce Bank Dallas (commercial)
  • Gerry Laymance et al v. City of DeSoto (employee/employer dispute)
  • National Teachers’ Association, Inc. v. Duffy, McAlister et al. (special master/referee)
Completed Virtual ADR training conducted by the JAMS Institute, the training arm of JAMS. 

  • Fellow, Texas Bar Foundation
  • Member: Dallas Bar Association; Dallas Estate Council; Texas Bar Association (Chairman, Committee on Judicial Ethics, 1981); American Bar Association; Texas Association of Mediators; Dallas Association of Attorney-Mediators; Society of Professionals in Dispute Resolution (SPIDR)
  • Chair - Texas Institute of Health Research
  • Former Chair: Dallas Baptist University Foundation (1986); Dallas County Juvenile Board (1978-1979); Legislative Oversight Committee for Mental Health
  • Past Chair/Board of Trustees; Baylor University Medical Center; Baylor Health Care System; Southwestern Baptist Theological Seminary
  • Party President/Board of Directors: Dispute Mediation Services of Dallas; Past President Mental Health Association of Texas; Dallas Council on Alcoholism; Committee on Judicial Conduct
  • Past Treasurer, United Way of Metropolitan Dallas
  • Author, “Released Time Programs,” Baylor Law Review and A Journal of Church and State
  • Co-Author, Texas Probate System-Dependent Administration, published by the State Bar of Texas
  • Judge, Sabine Valley Child Protection Courts, 2002
  • Of Counsel, Fulbright & Jaworski, 1997-2001
  • Partner, Vial, Hamilton, Koch & Knox, 1982-1997
  • Judge, 44th Judicial District Court, 1978-1982
  • Judge, 330th Family District Court, 1977-1978
  • Judge, Domestic Relations Court No. 4, Dallas County, 1973-1977
  • Judge, Probate Court No. 2, Dallas County, 1969-1973
  • Partner, Green, Gilmore, Chrisman & Rothpleetz, 1968-1969
  • Dallas Bar Association ADR Training Program
  • State Bar of Texas ADR Program
  • Harvard University School of Law Program of Instruction for Lawyers in Negotiation and Mediation
  • J.D., Baylor University, 1959
  • B.A., Baylor University, 1957



Practice Areas

Available nationwide


This page is for general information purposes.  JAMS makes no representations or warranties regarding its accuracy or completeness.  Interested persons should conduct their own research regarding information on this website before deciding to use JAMS, including investigation and research of JAMS neutrals. See More

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