Grand Master (Earth-2356)

Grand Master, or Grandmaster, was a title bestowed on the strongest and wisest member of the Jedi Order who served as leader of the Jedi High Council and the Order's many sects as a whole through the galaxy. Yoda, a Jedi Master who had lived for over eight centuries before the time of the Clone Wars, was the Grand Master of the Jedi Order during the waning years of the Galactic Republic before his death during the Coruscant Crush. Tsunade, one of the three legendary Jedi Sannin and Yoda's former student, served as the seventieth and last Grand Master of the Jedi Order.

Source

 * https://starwars.fandom.com/wiki/Grand_Master