Big Sky Resort, Montana 

Co-author of The Field Guide to Wilderness Medicine. Featured in two successful NOVA documentaries including; Deadly Ascent, and the critically acclaimed film: Everest: The Death Zone. Medical operations consultant for NASA for 5 years. Medical advisor for Telluride's Search and Rescue team. Staff physician for the Himalayan Rescue Association for 2 seasons. Began his career as a professional river and mountain guide, now a Certified Flight Instructor and professional skipper. Has advised mountaineers, rescuers, Olympic athletes, pilots and aerospace personnel throughout his career.

Clinical Professor of Dermatology, University of California, San Diego; Chief, Dermatology Section, Scrips Memorial Hospital, La Jolla, CA.

Founding Member of the Wilderness Medical Society; Orthopedic Surgeon, Stockton, California, 25 year member, National Ski Patrol, Orthopedic Surgeon, Rotary International to Africa.

Chief, Division of Medical Toxicology, Department of Emergency Medicine, Brigham Health, Harvard Medical School. Core faculty, Harvard Humanitarian Initiative; Section Editor, Wilderness & Environmental Medicine, Boston, MA.

Director of Internal Programs, Neil and Elise Wallace STRATUS Center for Medical Simulation, Director of Women's Leadership Initiative, Brigham & Women's Hospital and Harvard Medical School; Faculty, Harvard Humanitarian Initiative, Boston, MA.

Professor of Emergency Medicine, Director, UCSD Diving Medicine Center and Dive Medicine Fellowship, University of California San Diego School of Medicine, San Diego, CA. Former Board of Directors and consultant for Divers Alert Network (DAN).

Survival instructor specializing in training children and teens to survive in any environment.

Jackson Wyoming; medical advisor to Jackson Hole Ski Patrol and former medical advisor and climbing park ranger, Grand Teton National Park.

Navy Seal; Special Forces Survival Instructor; swiftwater rescue, high angle rescue, and dive rescue instructor; specialist in tactical and wilderness medicine, escape and evasion, and confined space rescue.

Fire Chief (retired), South San Francisco Fire Department; Senior Fire Instructor and Instructor of Heavy Rescue (building collapse); Hazardous Materials specialist; CBRNE Project Manager, Bay Area Urban Area Security Initiative.

Board Certified Emergency Medicine physician.  Physician advisor/educator for the ambulance services in Teller County Colorado.  Spent 4 years as a shipboard doctor for Norwegian Cruise Lines.

Wilderness survival instructor, professional tracker and guide. Film maker and on set medic for film and tv productions.

University of Washington, Navigation and Survival Instructor and Guide; Outward Bound Chief Instructor.