Kathleen M. Haywood, PhD, is a professor and associate dean for graduate education at the University of Missouri-St. Louis, where she researches life span motor development and teaches courses in motor behavior and development, sport psychology, and biomechanics. She earned her PhD in motor behavior from the University of Illinois at Urbana-Champaign in 1976. Haywood is a fellow of the National Academy of Kinesiology and the Research Consortium of the American Alliance for Health, Physical Education, Recreation and Dance (AAHPERD). She has served as president of the North American Society for the Psychology of Sport and Physical Activity and as chairperson of the Motor Development Academy of AAHPERD. Haywood is also a recipient of AAHPERD's Mabel Lee Award. Haywood is also the coauthor of the first, second, and third editions of Archery: Steps to Success and Teaching Archery: Steps to Success and coauthor of Life Span Motor Development, also published by Human Kinetics. She resides in Saint Charles, Missouri. In her free time she enjoys fitness training, tennis, and dog training. Mary Ann Roberton, PhD, is professor emeritus and past director of the School of Human Movement, Sport, and Leisure Studies at Bowling Green State University in Bowling Green, Ohio. Roberton has been researching and writing about motor development for over 35 years and is well known for her study of developmental sequences in motor development and its application for physical education teachers and physical therapists. In addition to Advanced Analysis of Motor Development, Roberton has authored one scholarly book, several book chapters, numerous journal articles, and invited and refereed papers. In 2011 Roberton received the Hall of Fame Award from the National Association for Sport and Physical Education. She is a fellow of the Research Consortium of the American Alliance for Health, Physical Education, Recreation and Dance (AAHPERD) and was inducted as a fellow into the National Academy of Kinesiology in 2003. A distinguished faculty member, Roberton was awarded the Faculty Mentor Award in 2000 from Bowling Green State University. Honoring her service to the university and the profession, the Mary Ann Roberton Outstanding Thesis Award and Mary Ann Roberton Outstanding Project Award were established in 1999 by the faculty of the School of Human Movement, Sport, and Leisure Studies at Bowling Green State University. Roberton resides in Madison, Wisconsin. Retired since 2005, she remains active in research and scholarship. In her free time she enjoys swimming, cycling, and reading. Nancy Getchell, PhD, is an associate professor at the University of Delaware in Newark. She has taught courses in motor development, motor control and learning, research methods, and women in sport. For nearly 20 years, Getchell has focused her research on motor development. She is a fellow of the Research Consortium of the American Alliance for Health, Physical Education, Recreation and Dance (AAHPERD). She is a member of the North American Society for the Psychology of Sport and Physical Activity, the International Society of Motor Control, and AAHPERD. Getchell also served as the section editor for the Growth and Motor Development section of Research Quarterly for Exercise and Sport from 2005 to 2009 and chairperson of the AAHPERD Motor Development aand Learning Academy. In 2001, Getchell was the recipient of the Lolas E. Halverson Young Investigators Award in motor development. She earned a PhD in kinesiology from the University of Wisconsin at Madison in 1996. Getchell resides in Wilmington, Delaware, where she enjoys hiking, playing soccer, and bicycling.
