… While at Yale, he conducted research at the Yale Center for Business and the Environment (CBEY), where his work focused in developing specialized training for business leaders … While at Yale, he conducted research at the Yale Center for Business and the Environment (CBEY), where his work focused in developing specialized training for business leaders … While at Yale, he conducted research at the Yale Center for Business and the Environment (CBEY), where his work focused in developing specialized training for business leaders …