The mission of the California Debt and Investment Advisory Commission (CDIAC) is to promote and improve the practice of public finance in California by providing responsive and reliable information, education, and advice. CDIAC assists state and local governments in effectively and efficiently issuing, monitoring, and managing public debt. It also provides education and information related to the investment of public funds.

The Commission consists of nine members including the State Treasurer, who serves as chairperson; the Governor or, upon his designation, the Director of Finance; the State Controller; two local government finance officers appointed by the State Treasurer; two members of the Assembly appointed by the Speaker of the Assembly; and two members of the Senate appointed by the Senate Committee on Rules.