34 years old. An alpine and high-altitude climber, traveller. Alpine Club Kraków. Member of the mountaineering national team. Comes from Tychy, lives in Wielkopolska. A Graduate of Psychology. Has been climbing in the mountains for 18 years. The leader of numerous expeditions to various mountains on five continents. Awarded with Kolosy 2000 for making (at the age of 17) a solitary and alpine-style ascent of Khan Tengri 7010 m. In the autumn of 2011 he climbed the fifth highest mountain in the world -Makalu (8463 m) without the use of supplementary oxygen. On March 9, 2012, together with Janusz Gołąb, made the first winter ascent of Gasherbrum I (8068 m), which was awarded with the Kolosy trophy and the Traveler prize granted by National Geographic.It was also considered best achievement of 2012 in the field of exploration by the prestigious American portal explorersweb. He summitted K2 (July 31, 2012) and Broad Peak-the first winter ascent (March 5, 2013). In the spring of 2014 he took part in a successful expedition to the North Face of Kanghenjunga, led by Denis Urubko. In the winter of 2016, together with Jack Czech, Bielecki attempted the first winter ascent of Nanga Parbat 8125 m. As part of the “Annapurna Polsped Expedition 2017”, along with Felix Berg and Rick Allen they climbed in the light style a 7-thousander Tilicho Peak, and made an advanced attempt to open a new route on Annapurna. He has never used supplemental oxygen during his climbs. In February 2017 was published the book “Spod zamarznietych powiek” in which he presents his mountain activity.