Commissioner Makes Appointments to California Workers’ Governing Committee April 14, 2021 Lara appointed Mitch Steiger and Diana Rich to the WCIRB Governing Committee for another two-year term. The committee sets policy, oversees WCIRB management, and reviews all issues involving pure premium rates, classifications, rating plans, rating systems, manual rules and policy, and endorsement forms. The WCIRB is a private organization licensed by the California Department of Insurance for the purpose of collecting, analyzing, and compiling rating data, with funding coming from assessments of its insurance company members. All workers’ comp insurers in California are required by law to be members of the WCIRB.