Mathéo is 28 years old and lives in a small village in Haute Savoie in St Nicolas de Véroce. He works as a mountain guide and coaches various French mountaineering teams. He himself was a professional ski athlete for 10 years with several world championship titles and a two-time winner of the Pierra Menta competition. He grew up in a small village, Lus La Croix Haute, where his parents still live. He did his schooling in GAP and then in Grenoble where he obtained a master's degree STAPS. 

He is a lover of nature and the great outdoors. To be happy means to be outside for him. Outside of sport and the outdoors, he is passionate about beekeeping and music.