Julie Shiller is a Mental Performance Coach and Associate Clinical Therapist (ACSW) with over 15 years of experience in coaching, youth development, and human performance. She is the founder of The Other 23 Hours Coaching, a practice dedicated to helping athletes, coaches, and parents build the mental, emotional, and behavioral skills that fuel high performance and long-term well-being.
With a background in strength and conditioning and a Master’s in Social Work, Julie integrates sport psychology, mindfulness, and habit formation to support youth, teen, and adult athletes—specializing in LGBTQ+ youth and girls’ and women’s sports, with a passionate focus on keeping girls in the game. Her approach includes self-talk training, mental imagery, breathwork, and the development of high-impact routines—addressing the often-overlooked hours beyond practice and competition.
Julie holds certifications as a Pain-Free Performance Specialist, ACSM Personal Trainer, and Precision Nutrition Coach. She is currently a CMPC applicant through the Association for Applied Sport Psychology and is working toward LCSW licensure in California.
Her mission is to help athletes and coaches not just perform—but truly thrive in sport and life. Julie also leads workshops for the Positive Coaching Alliance and is a dedicated advocate for equity and inclusion in girls’ and women’s sports, with a special commitment to supporting LGBTQ+ youth.
When she’s not coaching or presenting, you can find her lifting in the gym, hiking with her black lab Millie, or catching a women’s game. She’s all about movement, rest days, and making performance both fun and sustainable.
Specialties:
- Mental performance coaching
- Habit building and recovery
- Confidence, motivation, and focus
- Identity development outside of sport
- LGBTQ+ affirming support
- Resilience through injury, transition, or burnout
- Bridging the gap between physical and mental performance
Populations I work with / would like to work with:
- Athletes (youth, collegiate, elite, and professional)
- Coaches and sport leaders
- Members of the sport ecosystem including athletic trainers, parents of athletes, and support staff
- Women and girls in sport
- LGBTQ+ athletes and performers
- High-performing individuals navigating pressure, perfectionism, and performance anxiety
- Fitness professionals and recreational exercisers who want to deepen their mental approach to training and movement
Workshops / Webinars:
Past presentations:
- Championing Women’s Sports: A Holistic Approach to Athlete Development
- The Other 23 Hours: Mental Performance, Recovery, and Resilience in Sport
- Beyond the Game: Supporting Athlete Identity and Mental Health
Topics I’d like to present on:
- Building habits that support high performance
- Recovery as a performance tool
- Supporting girls and women in sport
- Identity development and transition out of sport
- Burnout and perfectionism in athletes
- Mental performance tools for coaches
- For fitness professionals: Mental skills coaching for clients, supporting motivation and consistency, coaching beyond aesthetics
- For exercisers: Shifting from punishment to purpose in fitness, building sustainable motivation, managing performance anxiety in the gym
