Jean Troillet was born 10 March 1948 at Orsieres and lives at La Fouly in Valais. Of Swiss and Canadian nationality he obtained his mountain guide qualifications in 1969. He has conquered ten peaks of more than 8000 metres, all climbed in the Alpine style, and without oxygen. Jean Troillet climbed Everest in 1986. In 1997 he was the first man to descend from the roof of the world on a snowboard.
Mountain guide, and seafarer, he was the shipmate of Laurent Bourgnon onboard Primagaz. Jean is a photographer for Animan and heli-skiing guide.