Simon Mainwaring

Simon Mainwaring is a New York Times and Wall Street Journal bestselling author, globally recognized keynote speaker, and founder of We First and Main Advisory.

For more than two decades, he has advised many of the world's leading companies and organizations, including Unilever, Bain Capital, and the UN Foundation, on brand strategy, leadership, trust, purpose, and business transformation.

Today, through Main Advisory, he advises and coaches CEOs and senior leaders navigating AI integration, organizational change, and long-term brand resilience, bringing together brand strategy, emerging technology, and human values.

Simon's first book, We First, was named Best Marketing Book of the Year by strategy+business, while Lead With We is a Wall Street Journal bestseller, a #2 Forbes Best Business Book of the Year, and a finalist for International Business Book of the Year.

He has been named a Thinkers360 Top 50 Global Thought Leader across Climate Change, B2B, and Sustainability, a Momentum Top 100 Impact CEO in the U.S., and one of Real Leaders magazine's "Top 50 Keynote Speakers in the World."

Simon also served as a jury member for the Cannes Lions Festival, The One Show, and the Real Leaders Impact Awards. Prior to starting We First, Simon was an award-winning Creative Director and Worldwide Creative Director at Ogilvy, Saatchi & Saatchi, and Wieden + Kennedy.

Australian-born and Miami-based, he is a father of two and a passionate—but very average—surfer.