William L. Nagle has practiced law for over forty years. He has served as a full time Special Master and Mediator since 1995, successfully settling over 4,500 cases including high profile matters involving:

  • Complex environmental cases
  • Construction defect and mold cases involving courthouses, schools, subdivisions, condominiums, hotels, single family homes, commercial high rises, and apartment buildings
  • Public works and public entities
  • Business and partnership disputes
  • Aviation
  • Real estate and land use

Before becoming a Special Master, Mr. Nagle was a partner with Nagle, Vale, McDowall & Cotter in San Mateo and later with Nagle, Krug & Winters in Burlingame. During this time Mr. Nagle:

  • Authored the rules for complex litigation (including the use of Special Masters) for San Mateo County in the early 1980's.
  • Helped create the first complex litigation unit in California for a major insurance company in 1983.
  • Served as President of the San Mateo County Bar Association in 1993.
  • Has been instrumental in establishing ADR programs at both the county and state levels, including State Bar Roundtables and the San Mateo County Courts Multi-Option ADR Project.
  • Served as a member of the San Mateo County Court Long-Term Strategic Planning Committee and numerous Bench Bar committees.

As an attorney, Mr. Nagle spent more than two decades practicing insurance defense trial law specializing in:

  • Aviation law
  • Construction
  • Environmental
  • Complex litigation
  • Insurance coverage
  • Professional liability
  • Real estate
  • Personal injury
  • Public entity law