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.

Gabi Kilko-Jackson
(Advancement Operations Director)

Hailing from the southern US, Gabi moved to Lander, Wyoming looking for adventure. What she found – besides the dreamy mountains and endless hiking o…

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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…

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Gary McLean
(WFA Instructor)

A Paramedic since 1978 and RN since '94, Gary was first introduced to improvised care and wilderness response in the early '80s while working as an A…

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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…

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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…

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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…

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George Phipps
(Board Member)

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

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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…

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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…

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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…

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Greg Henington
(Wilderness Emergency Medical Technician)

Greg Henington is the owner of Far Flung Outdoor Center, an outdoor adventure company based near Big Bend National Park, Texas. Far Flung Outdoor Cen…

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Gregory M. Avis
(Former Board Member)

Greg is a NOLS graduate, a former member of the NOLS Advisory Council, and served on the NOLS Board of Trustees from 2002 to 2008 and again from 2…

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Gretchen Herbert
(Advisory Council Member)

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…

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Gretchen Warner
(Advisory Council Member)

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

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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…

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