Mark started climbing on the east coast in northern New York’s Adirondack Mountains, while attending SUNY Plattsburgh’s Expeditionary Studies program. After moving west, Mark began his guiding career in Washington State’s Cascade Range, and still guides there on a regular basis. Mark’s big mountain expedition guiding experience includes peaks such as Denali, Aconcagua, Elbrus, and Orizaba to name a few. Mark is consistently involved in the American Mountain Guides Association and moving towards certification. Mark currently holds a Wilderness First Responder, Avalanche Level II, and AMGA Assistant Rock Guide certification.