Oscar Castañeda is the senior vice president of the Americas program for Heifer International. He holds a bachelor's degree in Agronomy from the University of San Carlos in Guatemala; a doctorate in biological pest control from the University of Hohenheim in Stuttgart, Germany; and a post-graduate degree in business administration from the Center for Business Development in Guatemala. He is a passionate and experienced development executive devoted to solving the most pressing economic, environmental, and social challenges.