Paul G. Schempp is the director of the Sport Instruction Research Laboratory at the University of Georgia, where he also serves as a professor. He has spent the last quarter century studying the development of expertise in sport and coaching. Schempp has designed performance programs for the Swedish Golf Federation and Mexican national golf teams. He has coached several champions on the PGA and European PGA professional golf tours, including Jesper Parnevik, Richard S. Johnson, Niclas Fasth, and Fredrik Jacobson. As a scientific consultant to "Golf Digest," he was instrumental in selecting America's 50 Greatest Teachers. A longtime consultant for the PGA of America, Schempp helped redesign the PGA's professional certification programs for golf instructors. He has also served on the National Education Advisory Board for the Ladies' Professional Golf Association (LPGA). Schempp's groundbreaking research has made him a sought-after keynote speaker for professional associations and corporate conferences committed to improving performance. Clients include the American Society for Training and Development, BASF Corporation, Buckhead Business Association, Club Corporation of America, Conde Nast Publications, General Electric, National Institute of Education (Singapore), Professional Golf Association of America, Society for Human Resource Management, the Swiss Soccer Federation, Vistage, and USA Track and Field. Schempp holds an EdD in human movement studies from Boston University and lives in Athens, Georgia. Peter Mattsson serves as the director of elite performance at the Swedish Sports Confederation. He served six years as the director of coaching for the English Golf Union, where he was instrumental in the development of the current National Coaching Programme structure. Before coming to England, Mattsson was the head coach for the Swedish national teams, a role he held from 1998 to 2005. He has coached Swedish teams and individual players at numerous European and World Amateur Championships at the World Cup and at professional events on the men's and women's tours. Mattsson holds a BEd in physical education and is currently studying sport science with a focus on golf. He resides in Stockholm, Sweden.