Commander-in-Chief of the Federation Starfleet

The Commander-in-Chief of the Federation Starfleet (also known as C-in-C, Commander Starfleet or Chief of Staff) is the Federation Starfleet flag officer who is in charge of the overall organization. The C-in-C serves as a primary military advisor to the Federation President and Council, and has operational authority over the whole of the Federation Starfleet.

Jonathan Archer was promoted to Chief of Staff in 2168 serving until his retirement on January 1 2169.

Admiral Robert Bennett served as Chief of Staff from at least 2287, to at least 2290. 

In 2293, the C-in-C was Fleet Admiral William Smillie, but he was quickly replaced by Androvar Drake. 

In 2311, the C-in-C was Admiral Margaret Sinclair-Alexander. 

In 2381, Admiral Edward Jellico was appointed Commander-in-Chief prior that year's Borg Invasion. He subsequently resigned and was replaced by Leonard James Akaar. (.)