The mission of the California Debt and Investment Advisory Commission (CDIAC) is to support and improve the practice of public finance in California by providing responsive and reliable information, analysis, and training. CDIAC assists California state and local governments to monitor, issue, and manage public debt and to safely and prudently invest 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.