Sandy is recognized by the American Avalanche Association as a Certified Instructor, and has been an Instructor Trainer for AIARE. She is an AIARE Level 1 & Level 2 Instructor. Her experience as ski patrol Supervisor at Squaw Valley USA and as the Patrol Director and snow safety supervisor at Wolf Creek Ski Area, and 20 seasons in the South San Juan mountains adds up to 27 years of professional avalanche work. In addition to being the Lead Instructor for the Wolf Creek Avalanche School, Sandy has taught Level 1 & 2 courses for the Silverton Avalanche School, AIARE, Telluride Avalanche School, NOLS Winter Instructor Training, CDOT, and Babes in the Backcountry.

Sandy's expertise includes 20 years working with corporations improving decision-making, accountability, personal awareness, and intentional communication.

Casey is AIARE Level 3 certified and is an AIARE Instructor. He is an avid backcountry skier and snowmobiler, and is the snow safety specialist for the Archuleta County Office of Emergency Management. He is also a snowmobile instructor for the U.S. Forest Service and the B.L.M. In addition to teaching at the Wolf Creek Avalanche School, Casey has taught avalanche safety and rescue for the Archuleta County Sheriff's Department, Upper San Juan Search and Rescue, CDOT, and the U.S. Forest Service.

During the off-season, Casey is a ranger and wildland firefighter for the San Juan National Forest in Pagosa Springs. He has been working and playing in the Southern San Juans year-round for the past 7 years.

Mark has been involved with avalanches in the Southern San Juans for 18 seasons, and the Sierra Nevada Range for 16 seasons before that. Now that's a lot of avalanches! He is also the Executive Director of the American Avalanche Association.