Peak Performance Plus LLC, helps people accomplish their Goals and improve the quality of their lives. The services offered are based on knowledge drawn from Cognitive Psychology, Sports Psychology, Behavioral Psychology, Positive Psychology, and Hypnotherapy techniques.


Miriam Sterk


Miriam Sterk LCSW C-ASWCM is an Arizona and New York state Licensed Clinical Social Worker and Certified Advanced Social Work Case Manager. Miriam has over four decades of professional experience in the health care field as a therapist, administrator, educator of Behavioral Health and Counseling including the private, public and managed care sectors. Miriam Sterk served as a member of the Expert Panel from the National Association of Social Workers to establish the Standards for Social Work Practice with Older Adults, their Families and Caregivers. Miriam Sterk is the Immediate Past National Chairperson of the National Association of Social Workers (NASW) National Commission on Competency and Credentialing in the profession. Miriam has served as an expert mental health witness in family, medical malpractice and personal injury cases. Miriam Sterk serves as a Health Care Advocate for Children, Adolescents, Adults and Seniors. She is certified in Hypnotherapy, Hypno Anesthesiology, Bereavement and Crisis Debriefing.

Sam Sterk


Sam Sterk, Ph.D., CC-AASP is registered as a Sport Psychology Consultant to athletes and has had affiliation with the US Olympic Training Center. Sam is a certified member of the American Association of Applied Sports Psychology. He is an Advanced Clinical Hypnotherapist through the National Guild of Hypnosis. With over 40 plus years of professional experience in the field of Behavioral Health, Dr. Sam Sterk is offering the highest level of skills to his clients that include professionalism, confidentiality, and the knowledge and skills to back it up in the areas of Weight Loss, Anxiety, Sleep-related Issues, Stop Smoking, Improved Test Taking, PTSD, ADD/ADHD, Pain Management, Overcoming Fears, Improved Business Performance and Improved Sport Performance. Dr. Sterk is the sports psychologist for Scottsdale Martial Arts Center.

Dr. Sterk has published numerous articles as well as copyrighted and trademarked assessment tools such as the CAP-The Comprehensive Athletic Profile, an intervention tool that he utilizes to help everyday amateurs, as well as professionals, improve their sports performance. Typically, this involves ways to enhance and maintain concentration, convert negative thoughts into positive ones, mental and visual rehearsals, and help to build Self Confidence in sports performance. Dr. Sam Sterk is a published author of SAMMY’S JOURNEY and WIN! GET THE MENTAL EDGE SKILLS IN MARTIAL ARTS.

Dr. Sterk teaches a course entitled, Medical Hypnotherapy to third-year medical students at a local medical school. Dr. Sterk has taught Psychology and Sports Psychology at the University level, lectured nationally for professional organizations, and trained professionals in Sports Hypnotherapy through the Peak Performance Plus Sports Hypnotherapy Certification Program. This can be accomplished in a class or a one-to-one mentorship.

Now is as good a time as ever to call us to discuss any of your concerns. Every client is afforded the utmost confidentiality and professionalism.

Find Out More

Want more information about the services that Peak Performance Plus offers? Fill out our form and we will contact you with the information you require.
default image

I have used Peak Performance Plus for weight loss, and a sleep disorder. The results were extremely satisfying. I will continue to use, and refer my friends and family. Dr. Sterk was particularly helpful using Hypnosis to help me take off the weight.
Chris Richardson
Staten Island, NY

June 13, 2016