Meet Our Team

Heart, Expertise, and Wildness

Our team works behind the scenes and all over the world to give you the best experience possible. Click below to read their stories.

Gabo Puma
(NOLS Patagonia Program Manager)

Originally from Venezuela, Gabo came to NOLS as a student in 2007. With ample experience in experiential education and leading groups into the outdoo…

Read more

Gates Richards
(Wilderness Medicine Instructor)

Gates Richards has been involved in outdoor education and EMS since the early 90's. Over the years he's worked outdoor programming throughout the Roc…

Read more

Gene R. Tremblay
(Chair Emeritus)

Gene went to Mount Everest in 1994 as a sponsor of the Sagarmatha Expedition with NOLS instructors Scott Fisher and Steve Goryl. He has a bachelor…

Read more

Geoff Irons
(Wilderness Emergency Medical Technician)

Geoff “retired” after a 26-year Army career to the small town of Woodland Park so he and his wife could “enjoy climbing and skiing the beautiful moun…

Read more

George Phipps
(Board Treasurer)

George Phipps is Vice Chairman at Bessemer Trust Company and Bessemer Securities LLC. During 2022 he retired from Jasper Ridge Partners where he c…

Read more

Ginna Irwin
(Wilderness First Responder)

Ginna loves the outdoors, education, and medicine- and is excited to incorporate all three while working for NOLS Wilderness Medicine. Ginna graduate…

Read more

Graham Prather
(Wilderness Emergency Medical Technician)

Graham spent his formative years primarily on the East Coast but most recently drove the wagon west from the snowy mountains of New Hampshire and now…

Read more

Grayson Dill
(Wilderness Medicine Instructor)

Born in the NC Mountains, Grayson grew up outside of Charlotte, NC. After attending UNC, he spent some time in Washington D.C., living abroad, and at…

Read more

Gregory M. Avis
(Trustee Emeritus)

Greg is managing partner of Bangtail Partners, a private investment firm with a focus on impact investing. He is a co- founder and former managing…

Read more

Gretchen Herbert
(Former Advisory Council)

Gretchen retired from the U.S. Navy in 2014, after 30 years of service. During her career, she worked in Anti-Submarine Warfare, Satellite Communi…

Read more

Gretchen Warner
(Board Member)

Courageous Educational Leader ○ Joyful Collaborator ○ Lead Learner ○ Data, Research, and Strategy-Driven Tactician ○ Human-Centered Systems Thinke…

Read more

Griffin Myers
(Board Member)

Griffin R. Myers, M.D., M.B.A., F.A.C.E.P.

Dr. Griffin R. Myers is a Co-founder and Chief Medical Officer at Oak Street Health, (NYSE: OSH), a n…

Read more


Call Us!