BA, MS, University of Massachusetts; PhD, University of Colorado
BA, Pomona College; MA, University of Maryland; PhD, University of North Carolina
Licenciado en Mercadotechnica, ITESM; MA, PhD, University of Pennsylvani
BSc, University of Washington; MSc, PhD, Colorado State University
BA, National University of Ireland; MS, PhD, Pennsylvania State University
BA, Colby College; MA, PhD, University of Washington
BA, University of Colorado; MS, University of California, Santa Barbara; PhD, University of Arizona
BS, MS, Technical University of Dresden; PhD; University of Zurich
BA, Rhodes College; MA, PhD, University of Michigan
