Federation Commissioners
- Elected by each member nation
- Commissioners
- Defense
- 2161 - 2163: Min glasch Noar, United Planets of Tellar (ENT Novel: A Choice of Futures)
- 2163 - 2165: Vinithnel sh'Mirrin, Andorian Empire (ENT Novel: Live By The Code)
- Foreign Affairs
- 2161 - 2162: Soval, Cnfederacy of Vulcan (ENT Novel: A Choice of Futures)
- Science and Technology
- 2161: Selvok, Confederacy of Vulcan (ENT Novel: A Choice of Futures)
- Unknown
- - 2266 - : NFN Ferris (TOS: "The Galileo Seven")
- - 2270 - : NFN Santiago (TOS Novel: No Time Like the Past)
- - 2270 - : Soreth, Confederacy of Vulcan (TOS Novel: Ex Machina)
- Defense
- Assistant commissioners
- Unknown
- - 2267: Nancy Hedford, United Earth (TOS: "Metamorphosis")
- Unknown