CLIMBER

Denis Urubko

Poland

Climbed all fourteen eight-thousanders without supplemental oxygen; first winter ascents of Makalu and Gasherbrum II.

Denis Urubko (born 1973) is a Russian-Polish climber who built his alpinism career in Kazakhstan. In 2009 he became the 15th person to summit all fourteen eight-thousanders and the 8th to do so without supplemental oxygen. He made the first winter ascents of Makalu and Gasherbrum II and opened new routes on Cho Oyu, Manaslu, and Broad Peak.

Sumber: en.wikipedia.org