Contact this Expert Witness

  • Company: Greenstone and Leviton
  • Phone: (817) 882-9415
  • Cell: (817) 475-2015
  • Fax: 817-870-4819

Specialties & Experience of this Expert Witness

General Specialties:

Law Enf & Criminal Justice and Police Practices & Procedures

Specialty Focus:

Main Specific Specialty Areas: Hostage and Crisis Negotiations, Crisis Intervention, Suicide, Psychological functioning.


Ed.D., University of North Texas; M.S., University of North Texas; J.D., Northwestern California University School of Law; B.A., University of Oklahoma

Years in Practice:


Additional Information

Services: Consultation, Litigation assistance, Case Development, Deposition, Expert testimony, Research and Case Review, Mediation Advocacy. Professional Experience: Extensive experience with plaintiff and defendant cases in multiple areas of expertise. Ten years, Director of Psychological Services, Fort Worth Police Department, Fort Worth, Texas, and Supervisor, Peer Counseling Team and Critical Incident Stress Management Program. Hostage and Crisis Negotiations Team member and operational police mental health consultant. Fifty-five years private practice. Forty-three years of police and hostage negotiations experience. Editor-in-Chief, Journal of Police Emergency Response. Editor-in-Chief Emeritus, Journal of Police Crisis Negotiations: An international journal. Formerly, Editor-in-Chief, Emotional First Aid: Journal of Crisis Intervention. Author, The Elements of Police Hostage and Crisis Negotiations: Critical Incidents and How to Respond to Them, On Policing: From Swords into Plowshares, and Choice: The Doctor’s Guide to Choice-Driven Psychotherapy. Licenses: Licensed Professional Counselor, State of Texas. Licensed Marriage and Family Therapist, State of Texas. Certified Master Peace Officer, Texas Commission on Law Enforcement. Certified Police Instructor, T.C.O.L.E. Certified Mental Health Peace Officer, T.C.O.L.E. Certified Investigative Hypnotist, T.C.O.L.E. Professional Affiliations: Diplomate in Police Psychology, Society for Police and Criminal Psychology. Diplomate in Crisis Intervention, American Board of Examiners in Crisis Intervention. Distinguished Life Fellow, American Board for Certification of Clinical Education and Training. Fellow, The American Academy of Experts in Traumatic Stress. Clinical Fellow, American Association of Marriage and Family Therapists. Practitioner Member, Academy of Family Mediators, Association for Conflict Resolution. Past Chairman, Crisis Negotiations Section, Association for Conflict Resolution. Credentialed Distinguished Mediator, Texas Mediator Credentialing Association. Education: B.A. - Psychology 1965. M.S. - Clinical Psychology 1966. Ed.D. - Education and Psychology 1974. A.A.S. - Criminal Justice 1986. B.S.L. - Law 1989. J.D. - Law 1991. Internship in Clinical Psychology – Devereux Foundation 1968. Emergency Medical Technician-Basic and Tactical. Advanced Training, Program of Instruction for Lawyers, Harvard Law School. Certificate Program, Investigative Psychology, John Jay College of Criminal Justice, City University of New York. Publications: Extensive publications; furnished on request. Teaching: Extensive teaching and training experience. Vitae furnished on request. Currently, Professor, Nova Southeastern University, Kiran C. Patel College of Osteopathic Medicine, Disaster and Emergency Management Program. Faculty, Graduate Criminal Justice, Walden University, 2000-2010. Faculty, Graduate Psychology, Capella University, 2000-2014. Formerly, Adjunct Professor of Law, Texas Wesleyan University School of Law (Emphasis: Mediation and Crisis Intervention), 1991-1998. Formerly, Lead Hostage and Crisis Negotiations Instructor, North Central Texas Council of Governments Regional Police Academy, 1986-1999. Fees: Fee Schedule on Request. Sent with my Letter of Agreement.