Meet Your Coach:
About Julie Mackey
As the creator of FLEX, a multidisciplinary performance company, Julie Mackey combines mental performance coaching with movement science to help athletes overcome pain, release tension, and build unshakable confidence.
For more than two decades, Julie has helped high performers break through self-limiting beliefs, manage stress, and thrive in demanding environments. Her unique approach integrates mindset training, recovery practices, and physical performance tools to help athletes achieve consistent, sustainable success.
Coaching for the Complete Athlete
As a Mindset Coach, Movement Specialist, and Mental Performance Mastery Certified Coach, Julie works one-on-one with athletes to unlock their potential, set meaningful goals, and overcome mental and physical barriers to peak performance.
Her signature methodology — the Tri-FLEX Concept — encourages athletes to:
FLEX Your Mind. FLEX Your Muscle. FLEX Your Might.
This holistic framework blends movement expertise, mental conditioning, and recovery strategies. Julie teaches athletes to move smarter, think faster, and recover deeper — cultivating confidence and resilience both on and off the field.
Credentials & Training:
Mental Performance Mastery Certified Coach
E-RYT 500 Yoga Teacher & Breath Coach
Movement Specialist & Mind-Based Stress Reduction Facilitator
B.S., Purdue University
Building the Mindset of a Champion
Julie empowers athletes to strengthen both body and mind through positive self-talk, visualization, goal setting, meditation, and structured performance routines. These tools develop “mental muscle” — the ability to focus, recover, and perform under pressure.
She believes excellence begins from within. When athletes commit to self-care, they not only improve movement efficiency and reduce pain, but also elevate how they show up as teammates, leaders, and individuals.
The FLEX Philosophy
Today’s athletes face higher pressure than ever before. Through her Tri-FLEX Approach, Julie applies sport science research to develop targeted mindset strategies, guided imagery, and recovery protocols — helping athletes build an unbreakable mind and the resilience to excel in competition and life.
Julie’s mission is simple:
To educate and empower athletes to perform at their highest level — not just in competition, but in life.
