Profession: Master of science in biology and professional mountain guide UIAGM (IVBV)
Sacha converted his greatest hobby into a second profession: He guides high alpine tours, back country
skiing tours (skitours), trekkings and is a sportsclimbing trainer. He realizes mappings in different projects
as a biologist. As author of a topographic map of the Island Peak he has gained experiences in cartography
and has expressed his passion as a drawer and designer of maps.
Profession: Cartographer, topographer
Sandra has many years of working experience in cartography in Switzerland and abroad. During one year she lived in
Nepal, where she was working on different cartographic projects. She works at Swisstopo as a topographer.
During the summer months she's mostly doing fieldwork in which she realizes the necessary steps to verify
the map contents and by doing so to keep the Swisstopo maps up to date.
To live her passion as a mountaineer she spends her spare time in the mountains as often as possible.