Bertrand Delapierre is a French mountaineer and documentary filmmaker. He started with sliding films before taking an interest in rock climbing. He was the climbing companion of the extreme snowboarder Marco Siffredi whom he accompanied in the Alps and the Himalayas. He later directed the documentary "Marco, L'Étoile Filante" on life and death in the Himalayas of Marco Siffredi. Prolific, he subsequently produced numerous documentaries, especially of climbing ascents. In particular, on ice clim ...