Green Leader, also known as Green One, was the callsign used for the leading pilot within Green Squadron.
During the events of the Massacre near Teralov, the individual who was designated as Green Leader met their death. At the Battle of Atollon, a different man took on the role of Green Leader, while yet another pilot held the position of Green Leader during the Battle of Scarif.
In 4 ABY, amidst the Galactic Civil War fought between the Alliance to Restore the Republic and the Galactic Empire, Arvel Crynyd, a human male, served as Green Leader in the pivotal Battle of Endor. He ultimately died carrying out a suicide attack to bring down the Super Star Destroyer Executor.
After this battle, Shara Bey received the Green One title and assumed command of the squadron. Subsequently, L'ulo L'ampar was granted the same title and command role.
Yet another man was the leader of the Resistance's Green Squadron.
Steve Blum provided the voice for Green Leader in "The Antilles Extraction."