Background
SUMNER, WILLIAM was born on March 20, 1942 in Vallejo, California, United States.
SUMNER, WILLIAM was born on March 20, 1942 in Vallejo, California, United States.
California State University at Sacramento (Bachelor of Science, 1972). McGeorge School of Law, University of the Pacific (Juris Doctor, with Great Distinction, 1975). New York University (Master of Laws in Taxation, 1976).
Beta Gamma Sigma.
Beta Alpha Psi. Phi Delta Phi. Member, Traynor Society. Adjunct Professor of Law, McGeorge School of Law, 1978- 1981, Instructor, Golden Gate University, 1981-1982 and 1988-1989 and Lecturer, California Continuing Education of the Bar, 1979-1990.
Working as a partner of HANNEGAN. Admitted to the bar, 1976, California.
American Bar Association (Member, Taxation Section). The State Bar of California (Member, Tax Section). State and Federal Taxation and Estate Planning.