Justahl was a male vice president of a company. He was mentioned in the promotion for the AJP-400 Hush-About personal jet pack in Galladinium's Galactic Datalog of Fantastic Technology.
Behind the scenes
Justahl first appeared in "Galladinium's Fantastic Technology" and later got a mention in "The Complete Star Wars Encyclopedia". It is unknown what company Justahl worked for however it was most likely Galladinium Galactic Exports since they were the company that made the catalog.