Profile photo of William L. Bettinelli

William L. Bettinelli

Arbitrator Mediator Special Master
San Francisco, CA, United States

About

With a career spanning several decades, this neutral served as a judge on the Sonoma County Superior Court from 1982 to 1991, including terms as Presiding Judge. Prior to his elevation to the Superior Court, he served on the Municipal Court starting in 1977. Since entering private practice in 1991, he has presided over thousands of complex multi-party cases, specializing in construction, commercial, and real estate matters.

Practice Areas

Business & Commercial Construction Employment & Labor Insurance Personal Injury & Torts Real Estate & Property

Professional Experience

Neutral
JAMS
Judge
1991
Sonoma County Superior Court
1982–1991
Presiding Judge
Sonoma County Superior Court (1984
1985
1989
1990)
Judge
Municipal Court
Santa Rosa Judicial District
1977–1982
Private Law Practice
Santa Rosa
1970–1977

Publications Leadership

  • Frequent lecturer on topics including construction defect litigation and effective mediation strategies
  • Contributor to various ADR educational programs for legal professionals

Positioning Takeaways

A seasoned former judge with over 30 years of private ADR experience, particularly effective in high-volume construction and real estate cases.

License & Certifications

  • State Bar of California (1970)

Education

J.D.
University of California, Berkeley, School of Law (formerly Boalt Hall)
1969
B.A.
Fresno State College
1966

Distinction

Recognized for his extensive judicial background and his ability to manage massive, multi-party construction and commercial litigations.

Reputation

He is widely regarded by legal professionals for his persistence, thorough preparation, and fair-minded approach to settling high-stakes disputes.