Amstelveen, Netherlands, 2022-Aug-25 — /Travel PR News/ — Effective 1 September 2022, Maarten Stienen is appointed chief operating officer (COO) of KLM Royal Dutch Airlines. Stienen has held various posts at KLM since 1998 and is currently senior vice president of Hub Operations. Maarten Stienen started out as a management trainee at KLM. He went… Read the full press release