Diane Mar Wiesmann

Diane Wiesmann served the community as a Deputy District Attorney for Riverside County from 1986-1989. Thereafter, she entered private practice in civil litigation defense, developing an interest in healthcare provider defense and advising. She handles jury trials, court trials, mediations and arbitrations.

Professional Affiliations:

• American Board of Trial Advocates
• Association of Southern California Defense Counsel (President 2012)
• Federation of Defense and Corporate Counsel
• Leo A. Deegan Inns of Court
• Defense Research Institute
• Southern California Association For Healthcare Risk Management
• Riverside County Bar Association
• American Red Cross, Riverside Chapter (Board of Directors)
• Member, Bench-Bar Coalition
• Super Lawyers, 2025

Education:

• BA with Honors, University of Arizona, English, 1983
• JD, University of Arizona School of Law, 1986

Bar Admissions:

• California, 1986
• U.S. District Court, California, 2000