BA, MA, University of Colorado Denver; PhD, University of Denver

BA, Keio University; MA, PhD, Columbia University

PhD, Hamburg University

PhD, Munich University

BA, DePauw University; MA, PhD, University of Michigan

BA, MA, PhD, University of Michigan

BA, University of Miami; MA, University of British Columbia; PhD, University of California, Berkeley

BA, Soochow University, Taiwan; MA, Ochanomizu University, Japan; PhD, University of California, Berkeley

BA, Colorado College; MA, Columbia University; MA, PhD, Yale University

BA, Soochow University, Taiwan; MEd, University of Wisconsin–River Falls