Gulfstream Aerospace appointed Mark Knall v-p and general manager of its facility in Appleton, Wis. Knall will oversee daily operations of the maintenance, repair and overhaul facility for all Gulfstream aircraft and its completions center for the large-cabin G650ER, G650, G550 and G450. Before joining Gulfstream, Knall spent nearly 20 years at Pratt & Whitney in East Hartford, Conn., including the last four as general manager of the aftermarket program for the company's PurePower line of engines for airliners.