From Wookieepedia, the Star Wars wiki.

A professor was an individual teaching at a university level.

Appearances

• Jedi Quest: The School of Fear
•  The Gem of Alderaan on Wizards.com (article)
• Lando Calrissian and the Mindharp of Sharu (Mentioned only)
• Star Wars Galaxies
• Star Wars Episode V: The Empire Strikes Back junior novel (Mentioned only) (as insult)
• Star Wars Episode V: The Empire Strikes Back (Mentioned only) (as insult)
• X-wing Rogue Squadron: The Phantom Affair
• Agents of Chaos I: Hero's Trial
•  "Peril in the Ionosphere" - Star Wars Gamer 1

Sources

• Castaways of Endor
• Xim Week: The Despotica (Part II: The Pirate Prince) on Hyperspace (article)