Build a Challenge Culture: The Secret to High-Trust, High-Performance Teams

Why the best leaders don’t just hire well or set goals—they design environments where challenge is expected, feedback flows, and the best ideas win.

Oct 2 • 

Jim Cook

3

September 2025

Relevancy = Execution Velocity

Why Finance Leaders Must Move Faster to Stay Relevant in the Age of Ai

Sep 25 • 

Jim Cook

3

Mind The Gap!

The Key Leadership Skill To Diagnose and Solve Performance Gaps

Sep 18 • 

Jim Cook

5

The 7 Stages of Startups

7x7; 7 Stages x 7 Common Key Attributes by Stage

Sep 11 • 

Jim Cook

6

Roger Federer Commencement Speech

One of my new personal Best Ofs

Sep 9 • 

Jim Cook

4

Cook's PlayBooks Thematic Index

I’m finally publishing an easy index of ALL Cook’s PlayBooks posts. Come back here if you think I’ve written about your topic previously or you simply…

Sep 4 • 

Jim Cook

3

1

Cosmos - Influencing My 13 Year Old Brain

I wrote this 5+ years ago - worth reposting again. My personal influences.

Sep 1 • 

Jim Cook

4

August 2025

That Will Never Work - Our Netflix Startup Story

The Birth of Netflix; 5 Lessons From My Netflix Startup Story; 5 Updated Lessons for 2025

Aug 28 • 

Jim Cook

5

Social Media Influencer vs Leadership Human Influencer

Leadership Influence - Part 3

Aug 21 • 

Jim Cook

4

The Language of Business - Part 2: The Influence Equation

Part 2: How to Communicate for Maximum Influence and Impact

Aug 14 • 

Jim Cook

4

The Language of Business

Part 1 - How to Speak Fluently Across the Executive Table

Aug 7 • 

Jim Cook

7

July 2025

How to Lead Like Bill Campbell: The Coach of Silicon Valley’s Greatest Teams

What Leaders Can Learn from Silicon Valley’s Most Legendary Coach

Jul 31 • 

Jim Cook

2