Mark Kovacs, PhD, is a former All-American NCAA doubles title winner and professional tennis player. He has coached many highly ranked junior, collegiate, and professional tennis players and is both a certified strength and conditioning specialist and a certified sprints coach with the U.S. Track and Field Coaches Association. He lives in Birmingham, Alabama. W. Britt Chandler, MS , is a former collegiate tennis player, a National Strength and Conditioning Association (NSCA)certified personal trainer, a certified strength and conditioning specialist, and a USPTA certified teaching professional. He is also an editorial assistant for Strength and Conditioning Journal .

He lives in Lexington, Kentucky. T. Jeff Chandler, EdD, is the head of the department of health, physical education, and recreation at Jacksonville State University. A recipient of the Plagenhoff Award for outstanding sport-science research in tennis, he is also a fellow of the American College of Sports Medicine, a fellow of the NSCA, and the editor in chief of the Strength and Conditioning Journal. He lives in Jacksonville, Alabama.