Ian Leslie — SPARQNOW

At-a-Glance

Author of the New York Times bestselling book CURIOUS on the trait of curiosity.
Author of CONFLICTED (US) / HOW TO DISAGREE (UK) on productive disagreement.
Author of JOHN & PAUL about Lennon & McCartney.
Serves as a Consultant at Second Brain Media since 2007.
Publishes the weekly newsletter THE RUFFIAN to 40,000 subscribers.
Contributor to The Economist, Financial Times, New York Times, and The Atlantic.
Previously held roles including Head of Brand Strategy & Insight at Channel Five and Planning Director at RKCR/Y&R, JWT New York, and TBWA\Chiat\Day.

Biography

Ian Leslie is a New York Times bestselling author, communication strategist, and Substacker. He has authored acclaimed books on human behavior, including CURIOUS, which explores the trait of curiosity, and CONFLICTED (published as HOW TO DISAGREE in the UK), focusing on productive disagreement. His work also includes JOHN & PAUL, a book about Lennon & McCartney. Leslie shares his insights weekly through his newsletter, THE RUFFIAN, which reaches 40,000 subscribers.