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To solve this challenge, learn to think like a market detective.
David Duncan shows you how in this instructive and entertaining story of Tazza, a fictional chain of cafes trying to go big time. The only problem: sales are declining, and its leaders can’t figure out why. In response, they launch an investigation led by a cast of characters including Cate Forrest, Tazza’s CEO, Alex Baker, a self-described “Market Detective,” and Jordan Sims, a young computer whiz at Tazza. Together, they discover why even their most loyal customers walked out the door – and how they can get them back.

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Thinkers50 2021 Distinguished Achievement Awards
David Duncan, author of “The Secret Lives of Customers,” has been shortlisted for the Thinkers50 Strategy Award. The award celebrates those who have contributed “the very best of strategic thinking.”
About the Author
David Duncan is a managing director at Innosight, where he works with leaders to create customer-centric teams, strategies, and organizations. He has advised and written extensively on how organizations can build systematic capabilities for innovation and is a leading authority on the theory and application of “jobs to be done.”
In the Media
July 23, 2021
Coffee in the Clouds Podcast
Host Thomas Capone speaks with David Duncan about his book ‘The Secret Lives of Customers’ and “jobs to be done” theory.
July 21, 2021
Enterprise Podcast Network
David Duncan joins host Eric Dye to discuss strategies for better understanding your customers.
June 30, 2021
HR Future Magazine
David Duncan shares his thoughts on employees’ “jobs to be done” and why they hire their employers.
June 25, 2021
Helping Sells Radio Podcast
David Duncan joins host Bill Cushard to discuss understanding your customers by thinking like a detective.
June 18, 2021
Outthinkers Podcast
Host Kaihan Krippendorff speaks with David Duncan about his book ‘The Secret Lives of Customers’.
May 4, 2021
HBS The Disruptive Voice Podcast
In this episode, David Duncan joins Scott D. Anthony to reflect on his experience writing the mystery of The Secret Lives of Customers.
also by innosight