Authors you can talk to, grouped by subject. Each Delphi is built from the author's own books, talks, and interviews.
Updated
Founder of the Cialdini Institute; has spent his career researching persuasion
Why themThe source on the principles of influence and how to use them ethically.
How can I identify my own influence triggers?Author of Hooked and Indistractable and the writer behind NirAndFar
Why themPractical on habit-forming products and managing your own attention.
How do I apply the Hook Model to my product or app?Pulitzer Prize-winning journalist and author of The Power of Habit and Supercommunicators
Why themPractical on habits and hard conversations, backed by research.
There's a hard conversation I keep putting off. How should I start it?Author of seven books on motivation, timing, sales, and regret
Why themTurns behavioral science into plain advice on motivation and timing.
How do I motivate my team without relying on bonuses and pressure?Pricing expert; co-author of Monetizing Innovation and Scaling Innovation
Why themShows founders how to price before they build, and why hope is not a pricing strategy.
Why do most founders train users not to pay?Leadership researcher and author of Multipliers, Rookie Smarts, and Impact Players
Why themExplains why some leaders bring out the best in people and others shut them down.
What do Multipliers do that Diminishers don't?Co-author of Unleashed and Move Fast and Fix Things; co-host of TED's Fixable podcast
Why themFocused on trust and building teams where people can do their best work.
What makes a team truly empowered?Author of The Making of a Manager; former VP of Product Design at Facebook
Why themClear, practical writing on becoming a manager.
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444 authors as of October 2026, including Robert Cialdini, Nir Eyal, Charles Duhigg, and Shankar Vedantam. Each one built their own Delphi.
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