Gkv has added two senior-level executives to its staff. John Gander has been named senior vice president and account director. He will manage the Baltimore shop's Independence Air account. Gander, who has more than 25 years of experience in marketing and advertising, most recently worked in the Tokyo office of Brierley & Partners. Mary Ann Kohan has been hired as senior vice president and director of media services. She will provide strategic oversight on all agency accounts and act as lead planner for Independence Air and Maryland's Office of Tourism Development. Prior to joining gkv, Kohan was vice president and director of media services at Levinson & Hill in Dallas.