Cassie Gilson


Drawing on an in-depth understanding of California policy and politics, Cassie’s combination of government and private sector expertise uniquely equip her to provide strategic guidance for Axiom Advisor’s clients on a wide range of legislative and administrative issues. Recognized as one of Capitol Weekly’s 2021 “Top 100” most powerful influencers in California politics and one of Comstock’s Magazine’s 2021 “Ten Extraordinary Women Shaping Our Future,” Cassie’s influence extends beyond the Capitol to the Sacramento Region and across the state. Having served as Senior Policy Advisor to California Governor Gray Davis and on the legal staff of the Office of Science and Technology Policy in The White House, Cassie easily navigates the Legislature and Administrative agencies and has a sharp understanding of what it takes for organizations to succeed both in California and across the nation.

As a lawyer and lobbyist, Cassie has represented energy, alternative transportation, land development, food and beverage, consumer products, technology, healthcare and other business interests, as well as local, statewide and national environmental and women’s advocacy non-profits. She is a recognized policy expert in environmental and land use law, including implementation of the state’s increasing body of climate change legislation, the California Environmental Quality Act (CEQA) and Proposition 65, among other issues.

Cassie has an established practice lobbying on behalf of technology, clean energy, and sharing economy companies. Respected by colleagues and decision makers for her policy intellect and political pragmatism, Cassie is at the forefront of Capitol debates on how to foster an entrepreneurial culture while addressing concerns over whether new and emerging firms are regulated adequately.Before she began lobbying full time, Cassie was an attorney at the law firms of Landels Ripley & Diamond and Farella Braun & Martel, where she advised clients on energy, air, water, hazardous waste and materials, and land use laws and regulations. She also provided strategic counsel for large brownfield projects and represented clients in administrative proceedings and negotiations regarding siting, permitting and decommissioning of industrial and energy facilities. Prior to that, Cassie was policy and program director for the California Council for Environmental and Economic Balance.

Cassie holds a bachelor’s degree from Wesleyan University and a law degree from Stanford Law School. She is a member of the State Bar of California, the State of California’s Lower American River Advisory Committee and past chair of the Board of the Sacramento Valley Conservancy.