Berglund, Johnson & Sommer - 1984 - June, 2007
Plaintiff Practice – General Liability, Medical Malpractice, Elder Abuse, Road Design, Product Liability, Auto, Premises Liability, Catastrophic Brain Injury and Wrongful Death

Hillsinger & Costanzo; and Sommer & Steele - 1975 - 1984
Defense Practice – Medical Malpractice, Product Liability, Auto, Insurance Coverage Issues, Common Carrier Premises and General Liability, Governmental Entities, Breach of Contract and other Professional Negligence.

Complimenting his extensive negotiating experience, Mr. Sommer has tried cases in the following courts: Los Angeles Central, Central Civil West, Long Beach, Van Nuys, San Fernando, Torrance, Glendale, Burbank, Pasadena, Santa Monica, Ventura, San Bernardino, Riverside, Santa Ana, Norwalk, San Diego, Merced, and Federal District Court.

State Bar of California – Active Membership Number 64625
Los Angeles County Bar Association
Southern California Mediation Association
California Dispute Resolution Council
Plaintiff and Defense Counsel Organizations (Concurrent with above years of practice)

1974 – Loyola University School of Law – Juris Doctor
Recipient - American Board of Trial Advocates Award for Excellence in Preparation for Trial Practice of Law

1971 – University of Southern California
Bachelor of Science, Business Administration, cum laude Dean’s List Scholar

2007 – Pepperdine University
Straus Institute For Dispute Resolution A Systematic Approach to Mediation Strategies

2008 - Pepperdine University
Straus Institute for Dispute Resolution
Advanced Mediation Skills