The unnamed human President of the United Federation of Planets in Star Trek IV, who faces the Klingon demand for Kirk's extradition, the whale probe crisis and the final judgement on the Enterprise crew.
The Federation President of 2286 appears in Star Trek IV: The Voyage Home, played by Robert Ellenstein. He is first seen chairing the Federation Council as the Klingon ambassador Kamarag demands that Kirk be handed over, and he tells the chamber that Kirk already faces nine charges under Starfleet regulations.
When the alien probe begins vaporising Earth's oceans he is trapped at Starfleet Headquarters with Admiral Cartwright and Sarek, and on Sarek's advice broadcasts a planetary distress call warning all ships away.
After the crisis he presides over the hearing, dismisses all charges but one, and reduces Kirk to captain with a starship to command.