Jon Tierney

Jon Tierney


ME, United States




Jon lives in Orono, ME and is an internationally licensed IFMGA mountain guide. He has been an active outdoor educator and paramedic for 25 years. He teaches courses in avalanche science, wilderness travel, mountaineering, and technical rescue. He has been teaching for WMA since the eighties. Jon co-founded and directed the University of Maine outdoor program for seventeen years. He now owns Acadia Mountain Guides Climbing School, is active in Maine search and rescue and continues to work as a critical care paramedic in Maine. Jon began exploring outdoors and climbing in the mid 70s. His first expedition was hiking the Long Trail with a fellow 8th grader. With a passion for rock, snow, and ice, Jon's accomplishments as a climber and guide include over 70 high altitude peaks as well as many first ascents worldwide. Within the AMGA he serves on the technical committee as an instructor/examiner and was the primary author of the nationally recognized Top Rope Site Manager course curriculum. Most recently he co-founded the Professional Climbing Instructors Association. Formerly he worked as a climbing and backcountry ranger at Rocky Mountain National Park where he helped to institute wilderness medical and ALS practices and he has served as a search and rescue volunteer on Denali. Jon strives to synthesize good concepts, challenge usual paradigms, and develop new ideas to raise guiding and wilderness education standards.