 He is the co-founder and Chairman of Big Green, a 501(c)(3) nonprofit that has built hundreds of outdoor classrooms called "Learning Gardens" in schoolyards across America.Musk is also the Co-Founder and Chairman of Square Roots, an urban farming company in Brooklyn, NY, growing food in hydroponic, indoor, climate controlled shipping containers.Musk currently sits on the boards of Tesla Inc. and SpaceX.