Jean-Marc Troussier, aka Marco Troussier, born in 1956, is a French climber, mountaineer, ENSA mountain guide, and author. Marco Troussier has had a distinguished career in French climbing and mountaineering. He has distinguished himself by opening numerous routes in prestigious massifs such as Mont Blanc, the Écrins, and the Verdon Gorges. A visionary, he actively participated in the development of free climbing in France, particularly in the 1980s, and contributed to the d…
