Dedicated to Your Success
ALL IN Counseling & Mental Performance Coaching, LLC was founded with a clear mission: to help individuals unlock their full potential through comprehensive mental health support and performance optimization.
We believe that mental wellness and peak performance go hand in hand. Our integrative approach addresses the whole person—mind, body, and spirit—to create lasting, meaningful change.

Dr. Heather Larkin
LMHC, MGCP, MPM, AIMC
Mastermind Behind the ALL IN ECOSYSTEM. Architect of the ALL IN MINDSET™, Licensed Mental Health Clinician. Mental Performance Clinician. Author. Speaker/Trainer.

Dr. Heather Larkin doesn't just teach mindset — she engineers it under pressure.
With 30 years in mental health and performance psychology, she is the clinician athletes call when talent isn't the problem — but the mind is. The overthinking. The fear of failure. The perfectionism. The spiral after the mistake. She works where pressure lives.
She is the creator of The ALL IN Mindset™, a five-pillar performance framework built on Awareness, Letting Go of Limitations, Locking In, Intrinsic Confidence, and a relentless Next Play Mentality. It's not hype. It's mental conditioning designed for real competition and real life.
Dr. Larkin is the author of The ALL IN Mindset™: How to Fumble, Fail, and Still Come Out on Top — a powerful blueprint for building resilience through adversity — and The Car Ride Chronicles: How to Avoid Those Dreaded Car Rides Home, a straight-talk guide helping sports parents support their athletes without sabotaging confidence.
Based in Massachusetts, she leads ALL IN Counseling & Mental Performance Coaching, LLC, where therapy meets performance training and resilience becomes a lifestyle.
What Guides Our Practice?
At ALL IN, we don't operate off trends, hype, or surface-level motivation. We operate off standards. These values shape every session, every program, every partnership.
1. Excellence Is Expected
We train the mind with the same intensity athletes train their bodies. Preparation eliminates panic. Discipline builds confidence. Showing up halfway is not our model.
2. Accountability Over Excuses
We don't blame circumstances. We take ownership. Growth begins when responsibility replaces rationalization. Control your effort. Control your focus. Control your response.
3. Pressure Is a Privilege
Pressure means the moment matters. We don't teach people to avoid it — we teach them to regulate it, harness it, and perform inside it.
4. Response Is Power
You cannot always control what happens. You can always control how you respond. We build emotional regulation and cognitive control so our clients respond with clarity instead of reacting with chaos.
5. Mental Health and Performance Go Together
Resilience is not denial. It is awareness plus strategy. We integrate clinical depth with performance training because emotional wellness fuels consistent execution.
6. Confidence Is Built, Not Borrowed
True confidence is earned through preparation, self-awareness, and repeated recovery. It does not rely on applause, rankings, or scoreboards.
7. Growth Requires Discomfort
Avoiding discomfort keeps you stagnant. Leaning into it builds capacity. Mistakes are not identity statements — they are data. We teach recovery as a skill.
8. Confidentiality Is Sacred
Trust is non-negotiable. Whether in therapy, performance coaching, or team consultation, we protect privacy with clinical integrity and professional rigor. Growth only happens where safety exists.
9. Collaboration Creates Results
We work alongside athletes, parents, coaches, and organizations — not above them. Sustainable performance culture is built through aligned communication, shared responsibility, and unified standards.
10. The Next Play Always Exists
Mistakes happen. Slumps happen. Life happens. The question is not whether you fall — it's how quickly and intentionally you reset.