Oliver W. Wanger is a shareholder of Wanger Jones Helsley PC in Fresno, California. He is a former United States District Judge (1991-2011); sat by designation as United States Court of Appeal (9th Circuit) Judge; and former Pro Tem Trial and Settlement Judge, Superior Court of California, Fresno County. He is a co-founder, former Dean, Chair of the Board of Trustees, President and Adjunct Professor of Law at San Joaquin College of Law, Fresno, California (1970-1994, 2011). United States Marine Corps Reserve (1960-1967). He offers private judging services including arbitration, mediation, and private jury and mock trials and sentencings. He also engages in trial practice and trial consulting. He has qualified as an expert witness in Federal and State Courts, Arbitrations in judicial ethics, performance, and standards of care; attorney ethics and professional conduct, standards of care, attorneys’ fees and billing; insurance coverage issues – tripartite relationship, cumis and Buss issues; trial practice and performance.