He has organized and led numerous climbing, ski-mountaineering and exploratory expeditions to China, Pakistan, Nepal, Greenland, Tanzania, Chad, Mali, South Africa, Borneo, India and Argentina. His achievements include climbing and skiing Mount Everest from the summit, making first ascents of big walls and alpine towers in the Karakoram Mountains of Pakistan and the Garhwal Himalayas of Northern India, and crossing the Chang Tang Plateau in north-western Tibet on foot.