David I. Anderson holds a Ph.D. in Kinesiology with a specialization in Motor Learning and Control from Louisiana State University. He is the Director of the Marian Wright Edelman Institute for the Study of Children, Youth, and Families at San Francisco State University and the former Chair of the Department of Kinesiology at San Francisco State University. His research centers on understanding how motor skills are acquired, how to promote the development of motor skills, and how motor activity influences psychological functioning and academic performance. He has authored and co-authored numerous peer-reviewed articles, book chapters and presentations, and has received significant funding for his research from the National Institutes of Health, the National Science Foundation, the Department of Education, and private foundations. Dr. Anderson received the Distinguished Faculty Award for Excellence in Professional Achievement and Growth from San Francisco State University. He is an Active Fellow in the National Academy of Kinesiology and the former President of the North American Society for the Psychology of Sport and Physical Activity. Among his other professional service activities he is an Associate Editor for Research Quarterly for Exercise and Sport and he serves on the editorial boards of several journals focused on motor learning, control, and development. Richard A. Magill holds a Ph.D. in Educational Psychology with a specialization in Motor Learning from Florida State University. He is currently an Adjunct Professor in the Motor Learning and Control graduate program at Teachers College, Columbia University, in New York City. He is also an Adjunct Professor in the Dance Education and Physical Therapy graduate programs in the Steinhardt School of Culture, Education, and Human Development at New York University, also in New York City. He was formerly the Helen Bessie Silverberg Pliner Professor in Kinesiology and Coordinator of the Graduate Program in Kinesiology at Louisiana State University in Baton Rouge, Louisiana. His research focuses on understanding how motor skills are acquired and how practice conditions influence that acquisition. He has authored and co-authored numerous peer-reviewed articles, book chapters, and presentations. He is an Active Fellow in the National Academy of Kinesiology, in which he served as President. He also is an active member and former President of the North American Society for the Psychology of Sport and Physical Activity. Among his other professional service activities, he was Editor in Chief for Research Quarterly for Exercise and Sport, and he has served on the editorial boards of several journals focused on motor learning and control.