In his 40 year legal career, Harrison Sommer, Esq. has successfully litigated hundreds of cases as both a plaintiff and
defense attorney. Since 2007, he has dedicated his career to serving as a neutral in personal injury cases, medical
malpractice, dental malpractice, elder abuse, products liability, subrogation and catastrophic cases involving long tern
care needs and wrongful death. With his in depth knowledge and experience, combined with his courteous demeanor, preparedness
and warm personality, he has impressed lawyers on both sides with his mediation skills and results. He has twice been recognized
as a Top Neutral in California by the Los Angeles Daily Journal. A named partner at a major defense firm said, "I have had
considerable experience with Mr. Sommer over the years and have always found him to be extremely well prepared, honest and
professional. I believe he ranks among the finest, fairest and most trustworthy attorneys in our business." One prominent
plaintiff attorney commented, "Mr. Sommer recently mediated a complicated brain injury case, he quickly understood the complex
medical issues and skillfully ran the negotiations which ultimately led to him settling a case that had difficulties for both
sides. I would highly recommend him." He is committed to the hard work necessary to resolve cases. He successfully handles
hundreds of cases per year.
Full-Time Mediator/Arbitrator, Judicate West (2007-present)
Partner, Berglund Johnson & Sommer, Plaintiff practice, focused on personal injury, medical malpractice, elder/dependent adult abuse, premises liability, catastrophic injury and wrongful death (1984 - 2007)
Partner, Sommer and Steele. Defense practice focused on professional negligence, product liability, medical malpractice, motor vehicle accidents and coverage disputes (1980 - 1984)
Associate, Hillsinger & Costanzo, Defense practice based on medical malpractice, product liability, governmental entity liability, motor vehicle accidents and insurance coverage issues (1975 - 1980)
Education & Professional Affiliations
J.D., Loyola University School of Law (1971 - 1974)
B.S., University of Southern California, graduated Cum Laude (1967- 1971)
Pepperdine University, School of Law - Straus Institute of Dispute Resolution, Mediation Training (2007)
Member, Los Angeles County Bar Association
Member, Southern California Mediation Association
Member, California Dispute Resolution Council
Achievements & Awards
Mr. Sommer was recognized as a Top Neutral in California by the Los Angeles Daily Journal in 2011 and 2013.
He was the recipient of the Award for Excellence in Preparation for Trial Practice of the Law by the American Board of Trial Advocates.
He has had numerous successful verdicts representing plaintiffs and defendants, including road design cases which led to the installation of effective freeway median barriers statewide.
He has tried cases in all jurisdictions and almost every courthouse in Southern California.
Hobbies & Interests
Mr. Sommer likes to spend time with his wife, six children and five grandchildren. He has attended literally hundreds of sports
activities. His children have played on the collegiate level and his youngest daughter currently plays PAC -12 Volleyball for Washington State.
He also enjoys weight training and an occasional round of golf.