The Greatest Coach

Marty Cagan notices that several of the strongest product companies, including Apple, Google and Amazon, have very different cultures yet share a hidden common thread: their founders were coached by Bill Campbell, the 'Coach of Silicon Valley.' Campbell deliberately stayed out of the spotlight, preferring that attention go to the people he coached. Cagan recommends the book Trillion Dollar Coach, written by Eric Schmidt and Jonathan Rosenberg, as the best guide for managing people in technology, especially product managers. He argues that effective leaders empower product teams and that coaching has become a core requirement for any good manager. The piece matters because it reframes culture around coaching and team empowerment rather than surface differences.

01Key takeaways

• Treat coaching as a core management skill, since a manager cannot be effective without it.
• Look for the greatness in each team member and build an environment where it can emerge.
• Give high-performing teams the resources and autonomy they need to do great work.
• Recognize that the company exists to bring a product vision to life, with other functions supporting that goal.
• Measure your leadership success by how many of the people you developed become great leaders themselves.
• Read Trillion Dollar Coach if you manage people in technology, especially product managers.

02Key sections

Different cultures, shared coach

Cagan observes that top product companies look culturally different but were all guided by the same mentor during their formative years. This hidden link prompts him to rethink what culture really means for product success.

Who Bill Campbell was

Campbell worked quietly and avoided publicity, shifting credit to those he coached. Cagan notes he met Campbell only through people Campbell had coached, and Campbell even asked him not to publish a profile.

The Trillion Dollar Coach book

Schmidt and Rosenberg compiled Campbell's leadership principles by interviewing his former mentees. Cagan considers it the single best book for anyone managing people in tech, particularly product managers.

Core beliefs about leadership

Cagan shares Campbell's views that great leaders uncover the greatness in others, that high-performing teams need resources and freedom, and that a company's purpose is to bring a product vision to life.

Coaching as a modern requirement

Cagan argues that coaching is no longer optional for managers and explains why he has focused on helping product leaders become better coaches. He closes by measuring success through the leaders his own coaching helps create.

03From the post

“A partnership dedicated to teaching best practices to product teams and product leaders”

Summary and takeaways written by PM Atlas; quotes are short excerpts. © the original author.