About the author
Marty Cagan is a product-management writer and partner at Silicon Valley Product Group. He previously held product and executive roles at technology companies including Hewlett-Packard, Netscape, and eBay.
Inspired describes product discovery and empowered product teams; Empowered focuses on leadership and team environment, and Transformed addresses organisational change. No dedicated Wikipedia biography is available, so the external link is the product-management topic.
Where to start
Start with Inspired for the core product model, especially the four discovery risks and the distinction between product teams and feature teams.