Darren completed a PhD in geology and physics, before deciding to pursue a career in mountaineering and snowsports. He has been guiding/instructing for 25 years, being a qualiﬁed Mountaineering Instructor (MIA) and ski/snowboard teacher. Darren ran his own guiding service for 10 years, on the Isle of Skye, Scotland. He now lives in La Grave, French Alps where he runs French Alps Treks. This will be his 10th season with ALE.