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Big Trust

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What to expect

Brought to you by Penguin.

How do I gain self-confidence? How do I live a better life? How do I stop overthinking and push myself to achieve my goals? In this practical guide, Shadé Zahrai has the answers to important life questions.

We all live with doubt. It holds us back from our best lives and causes unnecessary suffering. Shadé Zahrai has educated more than six million students as an award-winning Peak performance educator to Fortune 500s. Now, she offers you the diagnostic methods and tools that have changed lives and careers.
Big Trust focuses on four key questions:

  • Do I matter?
  • Do I have what it takes?
  • Do I have power?
  • Can I manage my emotions?


From her experience and research, she’s learned that your personal doubt, while universal in nature, is specific to your personality and can only be untangled by looking at your individual patterns of belief. Through her step-by-step examination of your hidden vulnerabilities and personality strengths, she helps you on a path to a better future.
With Big Trust, Zahrai, a former lawyer, behavioural researcher and a PhD, along with her husband Fayçal Sekkouah, a serial entrepreneur and angel investor, who has consulted at the G20, takes self-improvement to a whole new strategic level.

© Dr Shadé Zahrai and Faysal Sekkouah 2026 (P) Penguin Audio 2026

Critics Review

Big Trust is a timely and powerful guide for anyone who has ever second-guessed themselves. Dr Shadé Zahrai distills rigorous research into practical tools that help you replace doubt with clarity and courage. This book will change the way you lead yourself and others.
Sahil Bloom, New York Times bestselling author of The 5 Types of Wealth: A Transformative Guide to Design Your Dream Life
We all know the fight with self-doubt. In Big Trust, Shadé gives you the mindset and tools to be the one still standing. Science-backed and easy to put into practice, this book hands you a game-plan that actually works. If you’re ready to stop second-guessing yourself and step into your potential, this book will show you how.
Jefferson Fisher, trial lawyer and New York Times bestselling author of The Next Conversation: Argue Less, Talk More
Shadé Zahrai is already well known for her groundbreaking work on mindset and leadership, and Big Trust lives up to the anticipation... Big Trust is the compassionate, evidence-based guide we’ve been waiting for to help transform self-doubt into enduring self-trust. It’s the rare kind of book that is both inspiring and truly actionable.
Dr Sue Varma, psychiatrist, Distinguished Fellow of the American Psychiatric Association, and author of Practical Optimism
Big Trust is a thoughtful and compassionate guide to rebuilding confidence and overcoming self-doubt with clarity and courage. It provides the tools to transform uncertainty into lasting self-belief.
Nir Eyal, bestselling author of Indistractable and Beyond Belief

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