The secretary of each agency shall advise the Governor on, and assist him in establishing, major policy and program matters affecting each department, office, or other unit within the agency, and shall serve as the principal communication link for the effective transmission of policy problems and decisions between the Governor and each such department, office, or other unit.
Source:
Section 12850.2, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=GOV§ionNum=12850.2..