David Sammel
AUTHOR

David Sammel

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David Sammel is one of only 200 officially recognized ATP Tour Coaches worldwide, working with elite-level professional tennis players. In 2023, he was elected to the ATP Coaches Committee, a leadership group shaping the future of coaching on the pro tour.

Over the past three decades, David has coached Olympians—including Marcus Daniell, New Zealand’s first Olympic tennis medalist—and more than two dozen players who have represented their countries at the highest level. His clients have competed at Grand Slams, Davis Cup, Fed Cup, and the Olympic Games.

In addition to his tour-level coaching, David has built a successful online mindset coaching business, helping elite performers across multiple sports and industries master the mental game.

Endorsed by Tim Henman and Judy Murray, David’s best-selling book Locker Room Power has helped thousands of athletes worldwide and regularly ranks among Amazon’s top titles in sports psychology.

David continues to work hands-on with athletes while delivering keynote talks and workshops across sport, business, and education.

The Book

Win Before You Even Step Onto the Court

What separates champions from the rest isn’t just skill—it’s mental presence. That invisible aura. The confidence. The edge.

In Locker Room Power, world-class coach David Sammel shows you how to develop a mindset that intimidates before the first serve. Whether you’re an athlete, coach, or high performer, this is your step-by-step guide to building unshakable confidence and mental control.

“We all know this aura exists. What I like about this book is that you give it an identity.”
– Tim Henman, former World No. 4

“A top book by a top coach.”
– Judy Murray

Inside, you’ll discover:
• How to develop Locker Room Power and project confidence that others feel
• Proven tools to improve mental resilience and bounce back from setbacks
• Tactical mindset strategies used by Grand Slam Champions and Olympians
• Practical ways to control nerves and pressure in high-stakes moments
• Why talent isn’t enough—and how to train your HEAD!

David has coached elite athletes across several sports but notably in the high pressure of stadium courts. Now he shares the headspace that creates winners before the first point is played.

This book isn’t just about sport. It’s about how to carry yourself in life.

📘 Get your copy and start building your Locker Room Power today.
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