The Challenge Network
Surround yourself with thoughtful critics, not just supportive cheerleaders
Grant distinguishes between a support network (cheerleaders who encourage you) and a challenge network (critics who push you to rethink). Both are necessary, but most people over-invest in support and under-invest in challenge. He draws on organizational psychologist Karen Jehn's research distinguishing task conflict (clashes about ideas and opinions) from relationship conflict (personal, emotional clashes).
In a study of hundreds of new Silicon Valley teams, high-performing groups started with low relationship conflict and kept it low, but they had high task conflict from the beginning. They did not hesitate to surface competing perspectives. Meanwhile, poorly performing teams started with high relationship conflict, which prevented them from challenging each other on ideas. A meta-analysis of over a hundred studies confirmed that relationship conflict is generally harmful, but task conflict can improve performance.
The Wright Brothers exemplified this. Despite their deep bond, Wilbur and Orville argued so intensely about their airplane designs that their shouting could be heard down the street. These arguments forced them to stress-test their ideas and discover solutions neither would have reached alone.
- A challenge network is at least as important as a support network for good decision-making
- Task conflict about ideas improves performance; relationship conflict about personalities destroys it
- Frame disagreements as debates rather than personal attacks to keep conflict productive
- Identify your most thoughtful critics and explicitly invite them to question your thinking
- Tell critics why you respect their pushback so they know dissent is safe and valued
- Identify your current network compositionList the people you most frequently consult for advice or feedback. For each one, honestly categorize them as primarily a cheerleader or primarily a challenger. If most are cheerleaders, you have a gap.
- Recruit your challengersThink about who gives you the most uncomfortable but useful feedback. These people are your challenge network candidates. Approach them explicitly: tell them you value their critical thinking and want them to push back on your ideas. Explain where they typically add the most value.
- Structure productive task conflictWhen presenting ideas to your challenge network, frame the discussion as a debate, not a personal evaluation. Define the question clearly, present your reasoning, and then explicitly ask: What am I missing? Where is this weakest? What would you do differently?
- Separate task conflict from relationship conflictMonitor emotional temperature. If a debate starts feeling personal, pause and redirect to the task. Acknowledge that you respect the person and value their perspective. If relationship friction is present, address it separately before attempting productive task conflict.
Wilbur and Orville Wright argued so intensely about their airplane designs that their shouting could be heard by neighbors. Despite their deep personal bond, they did not shy away from questioning each other's ideas about wing shape, engine design, and control systems. Their father once urged them to stop arguing, but it was this constructive conflict that drove their breakthroughs.
Grant studied the Wright Brothers' working relationship and found that their legendary collaboration was defined not by harmony but by intense disagreement. They argued so vigorously that their father once wrote them a letter urging them to stop, but it was precisely this productive conflict that led to breakthroughs in wing design. Grant paired this with Etty Jehn's research on Silicon Valley teams, showing that the best teams fight about ideas early and often while maintaining personal respect.