Felix is a proficient technical climber and graduated mathematician, who lives in Switzerland, Switzerland, and France. Felix started his 8000m-peaks career as co-leader of a 2002 Kangchenjunga expedition, then guided Everest from Tibet in 2004. He climbed Broad Peak In 2014, Cho Oyu and Gasherbrum II in 2018 (a new variation on the west face), Everest from Nepal in 2021, G2 again in 2022 (normal route), and solo-climbed up Manaslu in the spring of 2023. He is a very well-organized person, and a strong climber, with good ideas, always eager to help others. Since living in Nairobi, Kenya, from 2002 to 2003 he has successfully led many Kilimanjaro and Mount Kenya ascents and built up our African team. He is a climbing expert too, with many ascents up to grade 5.14 in sport, and has a strong background in alpine mountaineering.