The idea for Chulengo has been a long time in the making, taking its ethos from generations of adventurers-turned-environmentalists.  As our mentor Kris Tompkins puts it, "we defend what we love, and we love what we know."  Every day of bushwacking through remote valleys and scrambling unnamed peaks reinforces the special power of wild landscapes to challenge, inspire, and transform. 

Chulengo benefits from the wisdom and support of many, including those below.


NADINE LEHNER (Co-founder)

After years working in conservation while exploring wild places, Nadine dove into Chulengo to build connections between people and place that inspire lasting change. After graduating from Harvard College, where she studied History & Literature with an environmental focus, she headed south to work with Doug and Kris Tompkins (founders of The North Face, Esprit and Patagonia, Inc).  As Executive Director of Conservacion Patagonica, she focused on the establishment of the future Patagonia National Park, a 650,000-acre flagship national park called the "Yellowstone of South America." Next, she pursued a joint MBA - MS in Environment and Resources at Stanford University.  Grad school offered her the chance to combine conservation expertise with environmental science, education, and business perspectives. She's a NOLS instructor, certified in WFR, and has spent over two years cumulatively leading wilderness backpacking and river expeditions on four continents. 



Brooks joined the Chulengo team based on a conviction that well-crafted time in nature inspires us to connect to our best selves and find new solutions to daunting challenges. Since growing up in the mountains of Colorado, Brooks has held a strong emotional connection to wild nature that has driven him on a varied career path in clean energy, entrepreneurship and outdoor recreation. Most recently, Brooks helped drive a 25x increase in active users as the first product hire at OhmConnect, a San Francisco-based cleantech startup that pays people to save energy. He is a NOLS Instructor, certified in WFR, and previously designed and led team-building outdoor trips as Co-Founder and CEO of Ascend Adventures. Brooks studied climate and energy policy at Princeton University, and he and Nadine met in the joint MBA/MS in Environment and Resources program at Stanford, where Brooks served as an Arbuckle Leadership Fellow and as a design leader at the


Ben works as a guide on the Northern Patagonian Ice Field, with a particular focus on student groups and scientific expeditions.  During the 2015 season, he directed Conservación Patagónica's field volunteer and education program, and spent nearly five months living in a tent in the park's backcountry. Ben studied Latin American History as an Harvard undergraduate, which included stints in Argentina and Brazil. A long-distance cyclist, he has pedaled across North America, South America, and Europe. When he isn't in the mountains, Ben works on translation projects for the Coyhaique-based publishing house Ñire Negro and collects stories that relate to the history of Aysén.


Rock-star conservationist and businesswoman Kris is a key mentor to Chulengo.  After co-founding Patagonia, Inc with Yvon and Malinda Chouinard, Kris served as the company's first CEO for two decades before retiring to move to Chile and focus on conservation with her late husband Doug Tompkins. In 2000, she founded Conservacion Patagonica to create national parks in Chile and Argentina that save and restore wildlands and wildlife, inspire care for nature, and generate healthy economic alternatives for communities.  With Doug, she has secured protection for more land than any other individuals in history - over 2.1 million acres - and enabled the establishment of numerous national parks. 


Environmental education and behavior guru Nicole guides the vision and approach of Chulengo. As an associate professor with a joint appointment in the Graduate School of Education and the Woods Institute for the Environment at Stanford University, Nicole focuses on environmental behavior and place-based connections. Nicole has current studies on the use of education, communications, and other social strategies in informal and community-based settings, including nature-based tourism programs, to engage individuals and communities in deliberate dialogue, environmental decision-making, and informed conservation behavior. She also researches the effectiveness of a range of environmental education and social science endeavors in achieving measurable and meaningful conservation results.


Jay is an activist, musician, environmentalist and master of fun. At Harvard, he studied biological anthropology and served on the steering committee for the First Year Outdoor Program (FOP), which brings over 400 students into the mountains of New England for a week of pre-orientation. Since college, he's worked on campaign finance reform, first at Maplight and then as executive director of CounterPAC, which model solutions to our broken electoral system by creating incentives for candidates to run more publicly accountable campaigns. In his own words, "Jay is a big fan of trees. He not so secretly wants to be one when he grows up."  Jay co-led the late March 2017 expedition.


As Nadine's co-outdoor-conspirator and grad school roommate, Colleen is at the core of Chulengo's instructional philosophy and approach to guiding.   A Portland native, she headed east for college at Dartmouth, where she studied geology, Spanish, and education. She stayed in beautiful New Hampshire working for Dartmouth and The Mountain School.  She's instructed for NOLS in Scandinavia, Wyoming, and the Pacific Northwest, received a joint MBA - Masters in Education from Stanford, and works for the Boston Consulting Group in Seattle. Colleen and her fiancee Joe Horrell co-led the April 2017 pilot expedition.



Jesse is a wilderness adventurer and expert in building experiences that empower changemakers. He founded School for Change, directed education initiatives at Impact Hub Bay Area, a community of entrepreneurs, activists, and artists, and has led initiatives for self-directed learning through the Bay Area Open Masters’ program. His experience includes student advocacy, fisheries conservation at the Pew Charitable Trusts, and sustainability strategy for the National Park Service. Jesse has a B.A. from Northwestern University and a Masters in Environment and International Development from Cambridge University. Jesse co-led the February 2017 pilot expedition. 

Indira Phukan

Indira is a PhD candidate in science education at Stanford University's Graduate School of Education. She's beginning her research by exploring how diversity in culture and socioeconomic status impacts environmental decision-making behaviors. She earned a MA in special education through Teach for America and a BA with honors in history from Harvard College.  Most recently, she has worked as a field science educator, diversity coordinator, and site manager in Yosemite National Park for NatureBridge.  Indira co-led the early March 2017 pilot expedition.