Gulfstream Aerospace promoted Mark Kohler to vice president for advanced aircraft programs. Over the past 18 months he has overseen the development, build and powered rollout of the G500, and is now responsible for the development, certification and entry into service of the G500 and G600. Kohler, who joined Gulfstream in 1992 and most recently was director of advanced aircraft programs, reports to senior vice president of programs, engineering and test Dan Nale.