Gulfstream Aerospace promoted Greg Collett to v-p of initial phase operations and Austin Shontz to v-p of final phase operations. Collett oversees initial phase manufacturing of large-cabin Gulfstreams and is responsible for advanced programs, advanced manufacturing technology and operations at the Mexicali facility. Shontz is responsible for Savannah final-phase operations for large-cabin Gulfstreams and oversees final-phase engineering, final phase research and development and interior design.