Siebe Vanhee, born November 19, 1991, in Leuven, is a Belgian climber who has become a leading figure in multi-pitch and trad climbing. He began climbing indoors at a very young age, around 9 or 10, and competition played a significant role in his adolescence, culminating in him being crowned Belgian youth champion several times. His move to outdoor climbing then broadened his horizons and fueled a very diverse career. In 2008, he climbed his first 8c on crags with Les Maux de la Fin, and subsequently focused increasingly on big walls, notably with his first major expedition in 2012 and a significant first alpine ascent in 2013 on Divine Providence, a long and committing route on Mont Blanc. Over the years, he has established himself as a specialist in long routes and adventurous terrain, with a clear passion for first ascents, free repeats, and trad climbing. Among his most notable achievements are Kids with Guns in Venezuela, Histoire sans Fin, Project Fear, Orbayu, Rayu, and the famous Petit route, which he soloed self-belayed in 2025 on the Grand Capucin. His profile is also distinguished by very high-level performances in trad and sport climbing. He has achieved grades such as E10 in trad, completed prestigious ascents in the Alps and the Dolomites, and participated in major projects in Yosemite, such as the attempt on the Dawn Wall with Sébastien Berthe. Beyond the numbers, Siebe Vanhee embodies a vision of climbing based on commitment, creativity, and travel. He is a climber, route setter, and adventurer, with a trajectory that has taken him from youth competitions to major unclimbed or legendary routes, always with the same quest for freedom and intensity.