Ecuadorian–Venezuelan biologist serving as President and researcher at the Khamai Foundation, seeking to prevent loss of tropical biodiversity, promote new species discovery, and mitigate the effects of global warming. Co-founder of Tropical Herping, a tour agency offering herpetological tours throughout the tropics. Author of three books and 23 scientific articles. He has discovered 29 new species and raised funds to save 106 hectares of Chocó rainforest in Ecuador.