Sergei is a certified mountain guide who has been engaged in mountaineering for 39 years. During his professional career, Sergei has completed numerous ascents of the highest points of the continents, including six successful climbs of Everest, a solo climb of Everest, and two successful climbs of Cho Oyu, Manaslu, and Shishapangma. He has also explored both North and South Poles. In his free time, Sergei enjoys staying active with his favorite activities being yachting, alpine skiing, windsurfing, and parachuting.