Arnold Coster is a senior expedition leader who has led over thirty-five expeditions in the Himalayas and other major mountain ranges in Asia, South America & Africa. He is a Multiple Everest and Cho Oyu summiteer, he has summited more than ten times over 8000m mountains. Arnold Coster, who has more than a decade of Himalayan experience makes him a high-Altitude Expert. Arnold Coster is a relaxed, considerate and thoughtful person; an expert leader, and a highly-skilled professional who specializes in getting people to the summit and back down in 100 percent safety. He is a good communicator, a great motivator, and has a positive attitude. Arnold is at home in any terrain, with any kind of group.