Our Team
The Level Up Performance Team is a collective of elite coaches, former professional athletes, and performance specialists who’ve lived at the highest levels of pressure—and now help others perform there with clarity, confidence, and control.
Our ROSTER
John Buck
Founder
A former MLB All-Star catcher and performance leader with 15 seasons in professional baseball. He brings elite insight into preparation, resilience, and decision-making under pressure, translating high-level experience into practical performance tools.
Ryan Harrison
A sports vision performance specialist with over two decades of experience training athletes and first responders. He blends visual, mental, and physical strategies to help performers slow the game down under pressure.
Josh Burkman
A former UFC fighter and performance coach known for his work in breathing, energy regulation, and competitive resilience. He helps performers develop composure, adaptability, and controlled aggression in high-stress environments.
Clay SwensEn
A retired law enforcement officer and certified performance consultant who brings real-world experience to resilience training. He specializes in leadership, accountability, and navigating difficult conversations while strengthening team culture and trust.
A high-performance coach for New Zealand Baseball. He specializes in emotional regulation, mindset, and sustainable resilience, helping performers manage stress, reset quickly, and stay present under prolonged pressure.
Dom Jefferies, LCSW
Nicole Detling PhD, CMPC
A mental performance coach with extensive experience supporting elite athletes and coaches. She specializes in mental skills training, confidence, and performance consistency in high-pressure environments.
Alley Dake, PHD
A performance coach who focuses on presence, communication, and team dynamics under pressure. She helps first responders build awareness, strengthen connection, and show up as steady leaders in demanding environments.
Jeremy Lambert
A former professional pitcher who understands execution under scrutiny. He helps first responders translate preparation into reliable performance, emphasizing routines, focus, and decision-making when the margin for error is small.
MANAGER
Brooke Buck
Manager