Prior to joining the foundation, Mr. Castilleja served for more than five years at the helm of the foundation’s Environmental Conservation Program, leading its efforts to protect critical ecosystems and balance long-term conservation with sustainable use. Mr. Castilleja has also worked for World Wildlife Fund-International (WWF), most recently as executive director for conservation. Currently he chairs the steering committee for the Global Alliance for the Future of Food, a coalition of foundations dedicated to improving the sustainability, security and equity food systems.