Vice President of the United Federation of Planets
The vice president of the United Federation of Planets (informally, the Federation vice president or the vice president of the Federation) was the second-highest ranking officer in the government of the United Federation of Planets, after the president. The vice president assumed power if the president was absent. 

In 3190, President Laira Rillak joined the  on its voyage to the galactic barrier, and transferred power to the vice president. ()

Titles
Federation