Jalek van Siydlitz was an admiral in the Galactic Empire who was promoted to the position of director of Imperial Military Intelligence. He was given the position in 1 ABY, following the betrayal of Grand Moff Vylor Sarkan and his death. Siydlitz held the position until after the Battle of Endor in 4 ABY, when he was accused of treason by Ysanne Isard and executed.