A Headmaster was the head of a school or academy. In 19 BBY, General Gentis was headmaster of the combined Imperial Academies, and was succeeded by Grand Moff Trachta after the former was executed for his failed coup. Ironically, Trachta would later attempt his own coup.
- Darth Vader and the Ghost Prison 1
- Darth Vader and the Ghost Prison 2 (Mentioned only)
- Darth Vader and the Ghost Prison 5
- "The Princess Leia Diaries"—Star Wars Tales 11 (First mentioned)