What a great book. Ultraproductive is science-backed, actionable, and genuinely transformative.
Ali Abdaal
NYT Bestselling Author of Feel-Good Productivity
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What Others Say
A brilliant book full of highly useful insights and tools. A fascinating guide to living a great life.
John Strelecky
Bestselling Author of The Cafe on the Edge of the World
Ultraproductive offers practical, science-grounded guidance for protecting what matters most — our health, relationships, and sense of purpose — while still doing excellent work.
Robert Waldinger
Director, Harvard Study of Adult Development · NYT Bestselling Author of The Good Life
What a great book. Ultraproductive is science-backed, actionable, and genuinely transformative.
Ali Abdaal
NYT Bestselling Author of Feel-Good Productivity
Ultraproductive offers practical, science-grounded guidance for protecting what matters most — our health, relationships, and sense of purpose — while still doing excellent work.
Robert Waldinger
Director, Harvard Study of Adult Development · NYT Bestselling Author of The Good Life
A science-based approach for doing your best work without sacrificing your health or well being.
Nir Eyal
NYT Bestselling Author of Beyond Belief
As Seen In
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The Apprentice
The 90-minute method for more focus, better sleep, and less stress
Thriving in today’s overstimulated world has never been harder. To keep up, we treat ourselves like machines—constantly multitasking, always “on,” and never truly unplugging. But this relentless hustle is backfiring: we struggle to focus, wake up drained, and feel stressed even when we’re not working.
What if the secret to achieving more and stressing less isn’t about hustling harder, but about working with your body and mind instead of against them?
In Ultraproductive, we reveal the transformative power of the 90-Minute Method—a simple, science-backed approach built around the 90-minute ultradian rhythm that governs both our days and nights.
What’s Inside the Book
Learn why focus, sleep, and stress are the three fundamental levers of a successful and fulfilling life.
Focus: Master the art of deep focus to get twice as much done each day—without working more.
Sleep: Unlock the power of restorative sleep to wake up rested and energized—without sleeping longer.
Stress: Learn to break stress cycles and use stress as fuel for growth—without burning out.
Beat pseudoproductivity and develop an Ultraproductive Work Ethic, Rest Ethic, and Stress Ethic.
Put it all into practice to not just survive but truly thrive at work and at home.
What Others Say
Ultraproductive is a refreshingly practical and deeply human guide to doing your best work without the exhaustion.
Jenny Wood
NYT Bestselling Author of Wild Courage
This is an advanced class in the science of human performance. Ultraproductive will fundamentally change how you work, rest, and lead.
Vanessa Van Edwards
NYT Bestselling Author of Conversation
A science-based approach for doing your best work without sacrificing your health or well being.
Nir Eyal
NYT Bestselling Author of Beyond Belief
Ultraproductive is a refreshingly practical and deeply human guide to doing your best work without the exhaustion.
Jenny Wood
NYT Bestselling Author of Wild Courage
This is an advanced class in the science of human performance. Ultraproductive will fundamentally change how you work, rest, and lead.
Vanessa Van Edwards
NYT Bestselling Author of Conversation
Ultraproductive is a brilliant, science-backed guide to reclaiming your focus, energy, and calm.
Chris Bailey
Bestselling Author of Hyperfocus
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Your Ultraproductive Bonus Package
One book unlocks the entire bonus package. Instant access after verification.
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Ultraproductive Accelerator
An online live program with Eric and Christian. Become Ultraproductive in 5 weeks with live masterclasses and coaching sessions (learn more).
(002)
Ultraproductive Framework Library
9 cheat sheet one-pagers with the most important methods from the book, designed to help you start applying them in your life. Available instantly.
(003)
$257Free with Order
Peak Performance Program
A 5-week, self-paced online program to help you become all you’re capable of being in work and life. Available instantly.
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About the Authors
Eric Partaker is a CEO coach and thought leader in the fields of business, leadership, and peak performance.
He’s known for helping CEOs, founders, and entrepreneurs scale their companies and become world-class leaders. Eric has advised Fortune 50 CEOs while at McKinsey & Company, helped build Skype’s multi-billion-dollar success story, founded several companies, and helped scale over 600 businesses.
In 2019, he was named “CEO of the Year” at the Business Excellence Forum. His work has been featured in The Wall Street Journal and The Economist, and on several major TV networks.
Dr. Christian Poensgen is a scientist turned entrepreneur, writer and executive coach who holds a PhD (summa cum laude) on the relationship between stress and performance.
He has spent decades studying how research in neuroscience, physiology, and psychology can be translated into practical, real-world systems that help ambitious people perform at a high level without compromising health or well-being.
Christian has served as Senior Fellow of the “Future of Work” think tank in the German Federal Parliament, as Co-Founder and Director of the European Center for Digital Competitiveness at ESCP Business School, and as an Agenda Contributor at World Economic Forum.