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With years of experience in sport psychology, our dedicated team members want to assist athletes on their journey to mastery both in life and sport. We consider it our mission to inspire athletes and those around them to connect, enjoy, and achieve by delivering the newest innovations in the rapidly evolving field of sport psychology

Dr. Mike Gross, sport psychologist, sport psychology, New Jersey, NJ, Somerset, sports psychologist
Mike Gross, PsyD, LPC, CMPC
Licensed Clinical Psychologist
Founder and Director

Dr. Gross is a Clinical and Sport Psychologist, licensed as a Psychologist in the State of New Jersey (NJ License # 5777) and Certified Mental Performance Consultant (CMPC) as designated by the Association for Applied Sport Psychology.

Dr. Gross works with professional athletes, youth athletes, high school athletes, college athletes, Olympic athletes, coaches, parents, and other performing artists. He works with athletes in the areas of mental health and performance with specific specializations in the delivery of mindfulness- and acceptance-based interventions. His work has been featured on podcasts, in scholarly publications, at national conferences, in his blog, and in the news media. 

Dr. Gross is also a Staff Psychologist at Princeton University where he provides counseling & outreach services to the Athletic Department. He is the former Coordinator of Sport Psychology at The College of New Jersey (TCNJ). In addition, Dr. Gross is the former Senior Associate Editor for the Journal of Clinical Sport Psychology (JCSP).


Dr. Gross received his doctorate degree in Combined Clinical and School Psychology from Kean University, and he completed his predoctoral internship at West Virginia University (WVU) with a special emphasis in sport psychology. Dr. Gross also completed a year of training at Mt. Sinai’s Eating & Weight Disorders program. He also holds a Master’s Degree in Counseling and Psychological Studies, and Sport Psychology Certificate from Seton Hall University. He is an active member of the American Psychological Association (APA) and Association for Applied Sport Psychology (AASP)

Callie Brown, MA, LAC
Licensed Associate Counselor
Staff Counselor

Callie Brown is a Clinical Mental Health Counselor, licensed as an Associate Counselor in the State of New Jersey (NJ License # 37AC00575000) and National Certified Counselor (NCC) established by the National Board for Certified Counselors.


Callie specializes in working with athlete mental health and sport performance enhancement. She works with youth, high school and collegiate athletes along with other performance minded individuals. She uses an individualistic approach that combines cognitive behavioral, dialectical behavior, and mindfulness-based interventions in order to meet each athlete where they are at. She is passionate about athlete mental wellbeing, sport performance and assisting athletes in coping with adversity on and off the playing field.


Callie received her Master’s Degree in Clinical Mental Health Counseling and bachelor’s degree in Exercise Science, both at Georgian Court University (GCU). She worked at The College of New Jersey (TCNJ) as an intern college counselor with students, athletes, and various teams. Callie has been an active member of the New Jersey Counseling Association (NJCA) holding roles including Member at Large (2020-2021) and currently Continuing Education ACEP Coordinator. In addition to her role at TriState SportPsych, Callie is also a Primary Therapist at Penn Medicine Princeton House Behavioral Health.


Callie played DIII and DII lacrosse, transferring after her first year to GCU. Post-undergrad she was the head coach of a local high school lacrosse team for two years, then held the position of Graduate Assistant Women’s Lacrosse Coach at GCU while getting her master’s. Additionally, she has coached club lacrosse for the past seven years.

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