Dan DeJager, MS, is a physical education teacher and new teacher mentor in the San Juan Unified School District in Sacramento, California. Mr. DeJager has coached several sports and has served as a school intramural director. He also has worked on several committees, including the Physical Education Curriculum Framework and Criteria Committee for the California State Department of Education. Mr. DeJager has published an article on adventure racing in the Journal of Physical Education, Recreation & Dance and has made numerous presentations at the state and national levels on adventure racing. Cathrine Himberg, PhD, has been teaching physical education teacher education at California State University at Chico since 1996. She has taught K-12 physical education and children's fitness classes and has coached youth sports. Every week she spends hours in the public schools with her university students so that they can get the hands-on experience they need to become effective and reflective teachers. She is the founder and director of CASPER (Center for Advancement of Standards-based Physical Education Reform-www.supportREALteachers.org), an international advocacy organization for developmentally appropriate physical education. Dr. Himberg is the coauthor of Teaching Secondary Physical Education: Preparing Adolescents to be Active for Life (HK 2003). She has a master's degree in exercise physiology from California State University at Chico and a doctorate in curriculum and instruction (physical education pedagogy) from Virginia Tech.