Complex sentence: In January 2009 Moro made the first winter ascent of Makalu with Denis Urubko, and in February 2011 the first winter ascent of Gasherbrum II with Denis Urubko and Cory Richards.
Split into simpler sentences: In January 2009 Moro completed the first winter ascent of Makalu with Denis Urubko. In February 2011 Moro completed the first winter ascent of Gasherbrum II with Denis Urubko and Cory Richards.