Kristoffer Szilas (born July 7, 1982) is a Danish mountaineer and geologist of Hungarian descent who lived in the US from 2012 to 2016.

[1] Szilas has been on about a dozen climbing expeditions around the world, which have resulted in several first ascents of previously unclimbed mountains.

[2][3][4] A few of these expeditions were carried out together with the American mountaineer Jess Roskelley according to Szilas' personal website.

[1] Their most notable achievement was the first ascent of a route that they named the 'Hypa Zypa Couloir' on the Citadel in the Kichatna Range, Alaska.

It aims at understanding the relations between ultramafic and mafic-andesitic rock assemblages in order to place constraints on models for the evolution of the craton.