IN AN ALWAYS-ON WORLD, A NEW WAY TO PERFORM IS EMERGING…

Regenerative Performance

Coming August 5, 2025

A New Book from

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AVAILABLE FOR PRE-ORDER

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LEARN MORE ABOUT REGENERATIVE PERFORMANCE

IN A WORLD OBSESSED WITH OPTIMIZATION—WHERE DAWN ROUTINES START BEFORE SUNRISE AND WORK NEVER SEEMS TO END—IT’S NO WONDER WE FEEL MORE DEPLETED THAN EVER.

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Drawing from over two decades of research and consulting in more than thirty countries, Dr. James Hewitt reveals a startling paradox: as our knowledge of performance has expanded, our sense of well-being has diminished.

In this revolutionary new book, Hewitt challenges both the relentless grind of hustle culture and the passivity of quiet quitting, instead offering a sustainable and actionable third path: Regenerative Performance.

Through a compelling blend of neuroscience, performance psychology, and personal storytelling—including his experiences as a full-time racing cyclist and a cancer survivor—Hewitt lays out a science-backed framework for sustainable success. One that doesn’t demand constant hustle, but embraces the power of oscillation: the rhythmic alternation between deep effort and intentional renewal.

WHETHER YOU’RE TRACKING EVERY SLEEP METRIC YET STILL FEELING EXHAUSTED, TRAPPED IN ENDLESS MEETINGS, OR CAUGHT IN THE BURNOUT-RECOVERY CYCLE,

THIS BOOK DELIVERS ACTIONABLE INSIGHTS TO RESHAPE HOW YOU WORK AND LIVE.

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Forget
Optimization.

Master
Regeneration

Want to learn more?

Download the Press Kit

Praise For
Regenerative
Performance

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“Having Regenerative Performance in your hands is like having your own personal performance coach in your pocket. This isn’t about quick fixes or rigid routines—it’s about breaking free from the cycle of burnout and learning how to excel without sacrificing well-being.”

—Tommy Hughes,

Head of People Performance, Aston Martin Aramco Formula One® Team

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“A game-changing blueprint for sustainable high performance. James Hewitt’s Cognitive Gears model—viewing knowledge work as an endurance sport—is a standout concept that leaders can immediately apply.”

—Mark Kelly,

Global Head of Benefits & Wellbeing, Boston Consulting Group

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“Whether you’re an executive, entrepreneur, or high achiever looking for a better way, Regenerative Performance offers a blueprint for sustainable success that won’t leave you drained and depleted.”

—Josh Linkner,

Five-Time Tech Entrepreneur, New York Times Bestselling Author, And Venture Capitalist

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“James Hewitt brings the heavy artillery of data analysis and deeply understood medical research to blast away at pseudoscientific narratives.”

—Eric Schurenberg,

Former CEO Of Inc. and Fast Company

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“Regenerative Performance gives us the road map, grounded in science, to reframe stress and overload so that we can sustainably thrive.”

 

—Dr. Natalie Nixon,

Author of Move. Think. Rest.

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“Be warned that this book comes with a ‘health warning’: This book will change your life—for the better!”

—Harri Sundvik,

Former Vice Chair Of Bank Of America

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“James has been a guest on my podcast multiple times, and one of my favorite quotes from him remains: ‘People tend to major in the minors; we need to major in the majors.’ This book does exactly that—helping us focus on what truly matters for sustainable performance and health.”

—Greg Bennett,

Olympian, Former World Number One Triathlete, Entrepreneur, And Host Of The Greg Bennett Show

The Author

Dr. James

Hewitt

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Dr. James Hewitt combines cutting-edge science with real-world insight to revolutionize how we think about performance.

Once a full-time racing cyclist, Hewitt went on to become a leading human performance scientist and the founder of The Knowledge Work Lab, helping organizations thrive in an always-on world.

From Fortune 500 boardrooms to Formula One paddocks, James has guided leaders and teams in over thirty countries to achieve extraordinary results—without sacrificing well-being. His keynote talks and consulting engagements bridge the gap between data and humanity, offering a new model for sustainable high performance.

A cancer survivor and lifelong endurance athlete, James brings a rare level of authenticity and depth to his work. His Cognitive Gears model has been adopted by global organizations to transform how knowledge workers operate, lead, and live.

About James
Connect

AVAILABLE FOR PRE-ORDER

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Have Questions?

WANT MORE
INFORMATION
ON THE BOOK?

CONTACT JAMES DIRECTLY USING THE LINK BELOW.

Contact James