Charles A. Maher, PsyD, CMPC, FAASP is a licensed psychologist; sport and performance psychologist with the Cleveland Guardians Baseball Organization; and Professor Emeritus of Applied Psychology at Rutgers University, New Jersey, USA. For 37 years, he has provided mental performance and mental health consulting services to athletes, coaches, support staff, and executives in Major League Baseball, National Basketball Association, Women’s National Basketball Association, National Football League, National Hockey League, collegiate sport organizations, as well as in tennis, boxing, and horseracing.