The Adaptability Quotient

Rewiring Your Mind for Success in the Next Human Era

What if the greatest threat of the next century isn’t to our physical security—but to how we think?

The pace of change in this new era is running well ahead of our ability to process it. AI is reshaping industries, careers, and entire business models faster than we can track. And it’s the first technology that participates in how meaning gets made—compressing how we think and short-circuiting how we learn. To navigate this moment, we need to upgrade our mental operating systems.

In The Adaptability Quotient: Rewiring Your Mind for Success in the Next Human Era, Alec Litowitz—investor, founder, and decision-maker who has spent his career operating in high-stakes uncertain environments—argues that the most valuable skill of the next decade isn’t IQ or even EQ. It’s AQ: your adaptability quotient.

Serially successful people, Litowitz argues, aren’t necessarily the smartest or even the luckiest. What they share is a mental architecture: the ability to question assumptions, absorb new information, and adapt their thinking when circumstances change.

Litowitz helped grow Citadel from $100 million to $10 billion in assets under management, scaling it from a scrappy startup into a pioneering firm where decisions had to be made in real time and under constant pressure. Across his career (from founding Magnetar Capital and supporting entrepreneurial spinoffs and even running a restaurant) he has consistently operated in systems where the only constant was change.

From that experience, The Adaptability Quotient was born. It offers what Litowitz calls an “agency repair kit”: a practical framework for restoring our ability to think clearly, act deliberately and adapt when old models stop working. The framework unfolds in three phases:

Phase I: Metacognition — understanding how you think: your blind spots, defaults, and the mental “code” your mind runs on
Phase II: Simulation — modeling possible futures, testing assumptions, and exploring outcomes before committing in the real world
Phase III: Experimentation — acting, iterating, and refining in real time as conditions evolve

Together, these phases form a repeatable way of thinking—one that prioritizes clarity over certainty, and adaptability over being right.

Drawing on company examples from Toyota to SpaceX, along with Litowitz’s own experience and ideas pulled across disciplines and history, The Adaptability Quotient explores how the ability (or inability) to adapt in the face of change can determine what survives and what doesn’t.

In a world where change is constant and certainty is increasingly rare, The Adaptability Quotient argues that the people who thrive won’t be the ones with all the answers. They’ll be the ones most capable of updating them.

Advance Praise

“The Adaptability Quotient offers a powerful framework for navigating an increasingly complex and uncertain world. Alec Litowitz draws on decades of experience to articulate a disciplined approach to thinking, grounded in rigor, continuous learning, and better decision-making. Moving beyond theory, he provides a practical system for building teams and individuals that adapt, evolve, and perform at the highest levels. This is essential reading for anyone seeking to sharpen judgment and thrive amid constant change.”

Ken Griffin

Founder and CEO, Citadel

“I’ve never read a book that so accurately captures how the most successful people I know think and act. As I turned the pages, I kept asking myself, ‘Why isn’t this what we teach in schools?”

Steven Levitt

Professor emeritus at the University of Chicago and New York Times bestselling co-author of Freakonomics

“A clear, compelling guide to thinking under pressure. Litowitz shows that success in a fast-moving world isn’t about being right. It’s about adapting faster than everyone else. Essential reading for anyone navigating uncertainty.”

Steven Kotler

New York Times bestselling author of The Rise of Superman and The Art of Impossible

“The Adaptability Quotient is deep, important, and compulsively readable—among the best works of nonfiction I’ve encountered in a decade. It’s an astute guidebook for crafting a successful, fulfilling life in unstable times.”

Eli J. Finkel

Professor at Northwestern University and author of The All-or-Nothing Marriage

“The Adaptability Quotient is a practical method for thinking clearly, deciding well, and holding on to your agency when the ground keeps shifting. Substantive, sharp, and genuinely readable.”

Nick Polson

Professor of econometrics and statistics at the University of Chicago Booth School of Business and co-author of AIQ

“I’m always fascinated when someone proposes a new way of thinking, layering creativity into process. Alec Litowitz set out to understand how people and institutions thrive when the ground shifts beneath their feet. In the process, he created the field guide to human adaptability. The Adaptability Quotient is a timely and sophisticated guide to expand your mind.”

Lawrence R. Armstrong

Chairman of Ware Malcomb and New York Times bestselling author of Layered Leadership

“Litowitz’s masterpiece combines decades of insights gleaned from decades of entrepreneurial accomplishment, widespread reading, and thoughtful reflection. There is a lot to digest here, with no fluff, and the book is superbly organized and engagingly written. This is a manual, a handbook for our uncertain times. Read and reread, especially if you are starting a business, want to build an enterprise that lasts, or just seek a good and fulfilling life in a world in which machines seem to be taking over.”

Amar Bhidé

Professor at Columbia University and author of Uncertainty and Enterprise

“From one of the business world’s true superstars, comes The Adaptability Quotient, a book that provides a path to navigate the radical changes that now face the world. Litowitz argues persuasively that the key to success in an era of quantum change is adaptive intelligence, which is the ability to rapidly reframe a problem, update one’s thinking, and act decisively under uncertainty. The Adaptability Quotient serves as an indispensable guidebook to the current era.”

Richard Vague

Author of The Paradox of Debt and An Illustrated Business History of the United States, and former secretary of banking and securities for the Commonwealth of Pennsylvania

“When machines can out-think us, what makes us irreplaceable? Litowitz answers the existential question on all our minds. The Adaptability Quotient hands the advantage back to humans with an actionable framework for navigating uncertainty. It will leave you feeling nothing short of energized about our future.”

Faisal Hoque

Founder of SHADOKA and NextChapter, #1 Wall Street Journal / USA Today / LA Times bestselling author of TRANSCEND and REINVENT, and executive fellow at IMD Business School