The phrase "agency heads" refers to the leaders or top officials in a government department or organization. They are responsible for making important decisions and managing the overall operations of the agency. Full definition
That's also the case for agency heads in the executive branch and positions in the judicial branch. (syracuse.com)
More clarity will likely emerge as new agency heads take their places, budgets undergo the negotiation / approval process, and new programs and policies take shape. (info.trepp.com)
The mayor has already asked city agency heads to prepare lists of potential new cuts, in addition to the thousands of teacher layoffs that are already planned. (dnainfo.com)