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Change the way you work. 




More about Portfolio

Portfolio is Penguin’s leading business imprint publishing cutting-edge ideas in leadership, management, entrepreneurship, finance, innovation, professional skills and narrative business. We publish forward thinking and inspirational books that are packed full of practical advice to help you change the way you work and do business. Our bestselling, internationally renowned authors include Simon Sinek, Eric Ries, Seth Godin and Sophia Amoruso.


Martina O'Sullivan

Editorial Director Portfolio

I head up the Portfolio team publishing books from across the spectrum of business.  I’m particularly interested in economics, finance, entrepreneurship, disruptive business, management, strategy and business in Asia.

Photo of Daniel Crewe, Publisher at Portfoli

Meet our Editors

Photo of Daniel Crewe, editor at Portfolio

Daniel Crewe


As well as my Viking list, for Portfolio I publish authors including Robert Sutton (The A**hole Survival Guide) and Mikael Krogerus & Roman Tschappeler (The Communication Book). I’ve published books by authors including Robert Cialdini, Marshall Goldsmith, John Kay and Richard Rumelt. 

Photo of Lydia Yadia, Commissioning Editor Portfolio

Lydia Yadi


As Editor at Portfolio I commission narrative led business and books on innovation and creativity. I also have an interest in professional skills including communication, interpersonal skills and well-being at work. My authors include Whitney Wolfe, Oliver Shah, Sam Conniff Allende, Cara Alwill Leyba and Cal Newport.

Meet our Authors

From start-up bibles to game-changing ideas, Portfolio is the fast-growing home of the world’s best business authors and brands.

Photo of Portfolio author Eric Ries


Eric Ries is a Silicon Valley entrepreneur. With his New York Times bestseller The Lean Startup, Ries threw traditional thinking out of the window and pioneered the revolutionary ‘lean’ approach to business, now used by start-ups and multinational corporations around the world.


Photo of Portfolio author Simon Sinek


Simon Sinek is an unshakeable optimist with the goal of helping everyone feel fulfilled by their work every day. In business, it doesn't matter what you do, it matters WHY you do it. Sinek’s first book Start With Why is a global bestseller, and his TED Talk on the same subject is the third most watched ever. His second book is the New York Times bestseller Leaders Eat Last.


Photo of Portfolio author Seth Godin


Seth Godin is a renowned public speaker, marketing revolutionary and author of the world’s most popular business blog. He is also the author of many bestselling business books including Permission Marketing, Unleashing the Ideavirus, Survival is Not Enough, Purple Cow, Free Prize Inside and Small is the New Big.


Photo of FT columnist and Portfolio author Mrs Moneypenny


Mrs Moneypenny’s weekly column in the Financial Times has been entertaining readers for 14 years. A former investment banker who now owns her own business, Mrs Moneypenny advocates hard work, delegation, self-promotion and financial literacy as the key skills of successful women. Her books include Mrs Moneypenny’s Careers Advice for Ambitious Women and Mrs Moneypenny’s Financial Advice for Independent Women.


Photo of Portfolio author Josh Kaufman


Josh Kaufman researches business, entrepreneurship and behavioural psychology to help people learn how to make more money, get more done, and have more fun. His first book, The Personal MBA, is an international bestseller. His second book, The First 20 Hours, helps you pick up any skill in record time ... and have much more fun along the way.