Sam Sterk, Ph.D., is a sport psychologist, psychoanalyst, and a certified master clinical hypnotherapist. Dr. Sterk's practice, Peak Performance Plus LLC, is located in Scottsdale, Arizona. Additionally, Dr. Sterk also teaches medical hypnosis at a local medical university and is the immediate past president of ASPH (Arizona Society of Professional Hypnosis). Sam Sterk's published works include Sammy's Journey, a memoir about the author's early life struggles and triumphs in overcoming life-threatening asthma. Win! Get the Mental Edge Skills in Martial Arts is a sport psychology manual for martial artists.