Photo Credits

Flip on the Lochsa

Flipped paddle raft during a guided trip on the Lochsa River, Idaho

Image © Jason Merideth :

Expert Witness & Litigation Consultation Services

OSI provides an array of services to attorneys and law firms handling litigation related to outdoor activities. OSI’s Director Alex Kosseff, author of the AMC Guide to Outdoor Leadership, has been retained as an expert witness for lawsuits in both federal and state courts. Other consultants with a wide variety of activity specific expertise are available. OSI will consider advising on legal cases and providing review and testimony for both plaintiffs and defendants.


  • Case merit evaluation
  • Accident investigation and reconstruction
  • Professionally written expert reports
  • Expert witness testimony during deposition & trial
  • Insight regarding the practices and standards of the outdoor recreation industry

Each case is different; please contact OSI to discuss your case and the scope of services that may be relevant. For the most prompt assistance call us at 406-551-6489.

Areas of Expertise

Winter Helicopter Rescue Mountain AccidentActivities for which OSI can provide expert witness and litigation consultation services include: backpacking, hiking, camping, rock climbing, ice climbing, mountaineering, high altitute mountaineering, trekking, indoor climbing, whitewater kayaking, flatwater kayaking, sea kayaking, whitewater rafting, whitewater canoeing, flatwater canoeing, standup paddleboarding, road biking, mountain biking, backcountry skiing, winter camping, backcountry snowboarding, conservation service projects, challenge course activities, wilderness first aid, wilderness medicine, search and rescue, avalanche safety, wilderness travel, and backcountry travel.

Types of programs and operations with which OSI is familiar include: outdoor education, outdoor recreation, adventure travel, outfitters, teen adventures, youth outdoor programs, wilderness therapy, adventure tours, college outdoor programs, university outdoor programs, raft guides, climbing guides, climbing walls, climbing gyms, challenges courses, ropes courses, team building, environmental education, scouting, summer camps, and wilderness tripping.

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