His new route on the East Ridge of the Lepiney was accomplished using new climbing ideas brought back from the USA. Cordier climbed further a field making the first ascent of Bubulimoting Spire above the Hunza Valley in the Karakoram. In 1976, Cordier accomplished a solo ascent of the American Direct on the South face of the Fou in the Chamonix Aiguilles. His ascent took three days to accomplish. In 1977, he became a founding member of the Independent Company of Mont Blanc Guides. Now Doctor Cordier, from 1977, he worked as an instructor for the Ecole National de Ski et Alpinisme at Chamonix.