The athlete behind thrV

KK Kastelic

Sport & Performance Therapist, LPC

Mental Performance Consultant

Performance is personal.

I'm a licensed professional counselor and mental performance consultant who works with athletes navigating the mental demands of competition, and everything that comes with being human beyond it.

My approach bridges mental health counseling and performance psychology, creating a space where athletes can work on more than just confidence or performance. Together, we can address pressure, identity, motivation, setbacks, relationships, burnout, self-doubt, and the moments that make competition, and life, feel complicated.

Becoming a better athlete shouldn't come at the expense of becoming a healthier person.

Education:

MA in Counseling

University of Missouri-Kansas City

MS in Kinesiology, Sport Psychology & Motor Behavior

University of Tennessee

Credentials:

Licensed Professional Counselor (LPC)

Missouri

Licensed Clinical Professional Counselor (LCPC)

Kansas

Certified Mental Performance Consultant (CMPC)

Credentialing in progress

The why behind thrV

Performance doesn't happen in a vacuum.

Athletes are expected to perform under pressure, adapt to setbacks, manage expectations, and keep showing up, often while navigating everything life throws at them beyond the game.

THRV exists to build the gap between mental health and high performance. This work combines clinical counseling with applied performance psychology to help athletes understand themselves, strengthen their mental game, and build skills that hold up when the pressure is on: because the goal isn't simply to perform better.

You and I are building an athlete who can thrive: on the field, in competition, and beyond it.