About Us

You are here: Home / About Us

Nathan Gray


Chairman – Co-Executive Director and Founder of Earth Train

Nathan has over 40 years of experience in the fields of international development and education. He is one of the founders of Oxfam America, the international assistance organization based in Boston, and is a pioneer in promoting socially-positive investment and emerging community development leadership in poor countries. A decade ago he established Earth Train in the Mamoní Valley and has been the motivating force behind the creation of the Mamoní Valley Preserve.


Colin Wiel


Founder and Chair of Rainforest Capital Management & The Mamoní 100

Colin is a serial entrepreneur who has successfully initiated and financed ventures in the real estate, conservation, carbon credit and technology sectors. He brings significant angel- and venture capital-stage finance experience as founder of the San Francisco chapter of the Keiretsu Forum, the world’s largest angel investor group.  He is Co-Founder of Waypoint Homes, a real estate investment company focused on rescuing distressed homes.  Colin is focused on the task of achieving sustainable land development and conservation solutions through market-driven innovation. He is Co-Founder of Wildlife Works Carbon, a pioneer in avoided deforestation carbon (REDD) projects in Africa.  He established Rainforest Capital Management to help Earth Train rescue the Mamoní Valley.

Lider Sucre


Latin America Regional Director of Wildlife Works and Co-Executive Director of Earth Train

Lider has been integrally involved in environmental activism in Panama for over a decade. After graduating with an MBA from Harvard University, Lider returned to Panama to work as the Executive Director of Panama’s National Association for the Conservation of Nature (ANCON), the most renowned environmental NGO in Panama. He has also worked as Executive Director of the Museum of Biodiversity in Panama. He now runs WildlifeWorks‘ Latin America operations from Panama.  He is a certified eco-tourism guide, a well-traveled backpacker, and a walking encyclopedia of information on Panamanian flora and fauna.

Stephen Wiel

steve-weil-managing -director-for-rainforest-capital-management

Managing Director of Rainforest Capital Management & The Mamoní 100

Steve remains active in his retirement after a 50-year distinguished career which includes over 150 publications addressing energy and the environment.   He still serves as chairman of the Collaborative Labeling and Appliance Standards Project (CLASP), a thriving international NGO he founded a decade and a half ago.  He is spearheading the establishment and development of the Mamoní Valley Preserve nonprofit corporation and the creation of the Mamoní Valley Preserve Association.