Synopsis
What if the voice you've spent your whole life trying to silence is the one thing that could push you forward, if only you learned to harness it?
Everyone feels self-doubt. What most people never learn is that doubt isn't a flaw: it's the fuel for your next level of growth.
In The Power of Self-Doubt, serial exited founder Luke Tobin reveals the truth behind the world's most misunderstood emotion. Drawing on psychology, performance science and the raw, unfiltered story of his own rise, fall and reinvention, Luke shows how moments of doubt aren't proof you're failing, they're proof you're expanding.
Through vivid storytelling and Luke's groundbreaking archetype model – the Mouse, the Lion, the Clown and the Elephant – you'll learn to recognise the patterns behind your doubt, understand what they're telling you and turn them into practical tools for clarity, courage and momentum.
You’ll also hear from other high achievers who’ve turned doubt into a driver, from multi award-winning actor Sharon Stone to US Navy Top Gun pilot Kevin Sullivan and Olympic figure skater Maé-Bérénice Méité – plus many more.
This isn't a book about pretending to be confident or banishing fear. It's a playbook for moving forward while you still feel it.
You'll discover:
- Why doubt spikes at every new level of your development, and how to use it as a compass
- How courage is built (not born) and how to train it daily
- How play, curiosity and resilience turn pressure into power
- How to grow into the identity you're chasing instead of waiting to deserve it
Part memoir, part psychological insight, part practical toolkit: this is for anyone tired of holding themselves back. Self-doubt isn't a stop sign. It's a signal you're getting closer to who you're meant to become.
Details
About the author
Luke Tobin is a three-time exited founder, multi-award-winning entrepreneur, and a highly sought-after voice on leadership, performance, and self-doubt. He scaled his last business, Digital Ethos, into one of the UK's fastest-growing digital marketing agencies before leading it to a large multimillion-pound exit, a track record that earned him the Great British Entrepreneur Award in 2020.
He is now the founder of Unusual Group, which acquires minority stakes in marketing agencies, creative firms, and tech companies serving the creative industry. Alongside this, Luke runs Tobin Capital, investing in future-focused ventures across female-led brands, space, sustainability, deep tech, and biotech. He also owns Succeed, an M&A brokerage that helps founders navigate business sales.
Luke’s writing, newsletter, and social content reach tens of millions of people every month, and he has supported thousands of founders through the emotional and strategic weight of scaling and exiting high-value businesses. His work blends lived experience with performance psychology, showing readers how to turn self-doubt into strength, confidence and success.
The Power of Self-Doubt is Luke’s first book: a practical and deeply personal guide to harnessing doubt for anyone ready to grow into who they're meant to become.
Media enquiries
If you'd like to get in touch with the author for interview or comment, or you'd like a review copy of this book, please contact us at pr@harriman-house.com or call +44 (0)1730 233870.
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