Dr. Wayne Chappelle

Team Psychologist for the NBA’s OKC Thunder. Licensed clinical psychologist and board certified by the American Board of Professional Psychology. 20 years consulting to military agencies [e.g., Presidential aircrew, Special Operations Warfare, General Leadership). Private practice that includes executive leaders, as well U.S. Olympic level elite athletes.

My work is centered on helping others manage and improve their emotional, relational, and behavioral functioning when having to adapt to a broad range of life challenges and stressors.

Confidence in Sports: How Self-Consciousness Shapes an Athlete Greatness

Every athlete knows what it feels like to be watched. The court, the field, the track — these aren’t just places of competition; they are stages where eyes are always present. In that spotlight lives a powerful force that shapes confidence in sports: self-consciousness. It is the quiet awareness of being seen, evaluated, and judged.

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The Power of Attitude: How an Athlete’s Mindset Can Determine Success

The athlete’s mindset is one of the most powerful performance variables studied in modern sports psychology—and the power of attitude is the psychological engine behind it. Long before physical talent separates competitors, an athlete’s internal belief systems, emotional discipline, and mental performance habits quietly determine who plateaus and who evolves into elite performers. Across every

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The Power of Team Cohesion - Why Teams Win Together

The Power of Team Cohesion: Why Teams Win Together

Team cohesion is the heartbeat of greatness—the invisible force that turns a group of individuals into a living, breathing organism with one mind, one mission, and one heartbeat. When people rally around a shared purpose, fear gives way to trust, confusion yields to clarity, and ego dissolves into unity. Cohesion isn’t mere camaraderie—it’s conviction. It’s

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The High-Performance Mind: Lessons in Mental Resilience from the Military to the Sports Arena

The below was inspired by the academic paper “Emotional Reactions to Killing in Remotely Piloted Aircraft Crewmembers During and Following Weapon Strikes.” The link to the full-text paper is included at the end of the article. The pursuit of excellence in any high-stakes environment demands peak performance, not just physically but mentally and emotionally. Whether

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The Mind Game: How Elite Athletes Conquer Mental Battles

The world of elite sports often presents a captivating dichotomy: the awe-inspiring physical prowess of athletes juxtaposed with the intense mental fortitude required to reach the pinnacle of their disciplines. We marvel at the gymnast’s flawless dismount, the swimmer’s explosive speed, and the tennis player’s lightning-fast reflexes. However, as four-time Olympic gold medalist Venus Williams astutely observed,

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