The elected head of government of the United Federation of Planets, whose office is in Paris on Earth.
The Federation President is the elected chief executive of the United Federation of Planets, working alongside the Federation Council. The president's office in Paris, with a view of the Eiffel Tower, is seen in Star Trek VI: The Undiscovered Country, where the president faces the crisis that follows the assassination of the Klingon chancellor during a peace initiative.
In the Deep Space Nine episodes Homefront and Paradise Lost, President Jaresh-Inyo agrees to emergency security measures on Earth after a Changeling bombing, while Admiral Leyton secretly plots a military takeover. Benjamin Sisko exposes the scheme and civilian government survives.