COAC Staff

Gabriel Coler
Forecaster

I have been working as a forecaster for the Central Oregon Avalanche center since we started writing forecasts in 2020, and I’ve been a professional observer since 2013. I also work as an IFMGA guide;… more

Aaron Hartz
Forecaster

Aaron is an Oregon native and started skiing at a young age. After being introduced to backcountry skiing, he started climbing and skiing the Cascade Volcanoes to prolong the ski season. He is currently a… more

Alli Hartz
Forecaster

Alli has been involved with COAC since 2016, first as a board member, then alternate pro observer and forecaster. In addition to forecasting for COAC, she works as a ski guide and avalanche instructor for… more

Ryan Marvin
Forecaster

Ryan is a Vermont bred snow enthusiast that has been on Mt Bachelor's Pro Ski Patrol since 2018, and is in his first season (24/25) forecasting for COAC, after having received his Pro 2 in… more

Jonas Tarlen
Forecaster

Jonas has been ski touring in the Central Oregon backcountry since 2001. He is the owner and operator of Three Sisters Backcountry which provides remote hut lodging, guiding and avalanche training. He is a long… more

Kenzie Carson
Forecaster

Kenzie grew up skiing in her home mountains of northern New Mexico where she developed a passion for the mountains. She has worked on snow as a guide and educator since 2018 and is most… more