Profile photo of Sheila Prell Sonenshine

Sheila Prell Sonenshine

Arbitrator Mediator Neutral Evaluator Special Master
Orange County, CA, United States

About

Justice Sonenshine transitioned to private dispute resolution following a distinguished seventeen-year tenure on the California Court of Appeal. Her legal career spans over five decades, beginning in private practice where she specialized in business and family law litigation. Since entering private practice in 1999, she has presided over thousands of cases, utilizing her extensive judicial background to resolve intricate legal disputes across a wide spectrum of practice areas.

Practice Areas

Business & Commercial Civil Litigation Employment & Labor Entertainment & Media Family Law & Divorce Healthcare & Life Sciences Insurance Intellectual Property Personal Injury & Torts Real Estate & Property

Professional Experience

Associate Justice
California Court of Appeal
Fourth Appellate District
Division Three
Judge
1982–1999
Orange County Superior Court
Partner
1981–1982
Sonenshine & Sonenshine
Neutral
1972–1981
JAMS
1999

Publications Leadership

  • Author of numerous published appellate opinions regarding commercial and family law
  • Frequent lecturer on appellate advocacy and mediation strategies for the Rutter Group
  • Contributor to California Civil Appellate Practice
  • Speaker at various CEB and CJER educational programs for judges and attorneys

Positioning Takeaways

Justice Sonenshine is characterized by her deep judicial experience and her effectiveness in settling high-stakes appellate and multi-party commercial disputes.

License & Certifications

  • State Bar of California
  • Admitted to practice before the United States Supreme Court

Education

Juris Doctor
Loyola Law School
1970
Bachelor of Arts
University of California, Los Angeles
1967

Distinction

Founding Justice of the California Court of Appeal, Fourth Appellate District, Division Three.

Reputation

She is highly regarded by legal professionals for her analytical precision and her ability to navigate emotionally charged or legally dense conflicts. Peers and counsel frequently note her preparation, persistence, and the unique perspective she brings from her long-standing judicial service.