323: Ian Leslie - The Desire To Know & Why Your Future Depends On It

Episode Summary

Executive Summary: Ian Leslie argues that curiosity is a learnable leadership advantage: it starts as natural childlike wonder, then must be consciously cultivated through epistemic curiosity, listening, and empathy. He connects curiosity to better communication, stronger hiring, productive disagreement, and more open-minded leadership in an era of polarization and distraction.

Main Topics: Curiosity as a leadership trait: Leslie says sustained excellence in leaders comes from self-reflection, awareness of what they don’t know, and broad interests across disciplines and culture. Two types of curiosity: He distinguishes diversive curiosity (seeking new information) from epistemic curiosity (deeply learning and organizing knowledge), arguing the second is more valuable for leaders. Hiring for future value and need for cognition: He explains why teams should value intellectual curiosity and a high need for cognition because curious people adapt better to change and bring long-term value. Curiosity, communication, and storytelling: Leslie argues that the best communicators are also the best listeners and observers; genuine interest in others makes communication more effective and human. Productive disagreement and polarization: He previews his new work on disagreeing well, arguing that curiosity about opposing views reduces defensiveness and helps people navigate political and workplace conflict. Balancing learning with doing: Leslie stresses that action is a form of learning, and that curiosity should move between reflection, research, and experimentation rather than remain purely intellectual. T-shaped people and weak ties: He recommends developing deep expertise in one area while maintaining broad knowledge and cultivating weak ties for fresh insights and cross-disciplinary learning.

Key Arguments: Leaders with sustained excellence tend to think about their own thinking and maintain awareness of what they do not know. Curiosity declines with age because people acquire enough knowledge to survive in their environment, so staying curious becomes a conscious choice. Diversive curiosity creates information gaps that pull people toward novelty, but epistemic curiosity is the deeper, discipline-based form that turns information into knowledge. A high need for cognition is valuable in hiring because curious people are more likely to grow, adapt, and respond well to change. Communication improves when it is grounded in genuine curiosity about the audience; listening and observing are as important as presenting well. Asking unscripted questions creates human connection and can yield richer information in settings like medicine, interrogation, and leadership. Judgment and curiosity are competing responses to disagreement; choosing curiosity leads to more productive conversations and better understanding. The same curiosity that helps in business and leadership can also reduce political polarization by making people more willing to listen across differences. Doing is not separate from learning; experimentation and action are applied curiosity. A T-shaped model of knowledge—deep expertise plus broad related knowledge—helps both careers and relationships, including through weak ties.

Data Points: Number of curiosity types: 2 - Leslie explains diversive curiosity and epistemic curiosity as the two main forms. Need for cognition (NFC): Scientific measure of intellectual curiosity - Used to assess a candidate’s relish for intellectual challenge and difficulty. Open positions example: 2 - Ryan Hawk uses a hiring scenario with two open roles to discuss evaluating curiosity in candidates. Team size example: 17 - Hawk references leading a team of 17 to illustrate the frequency of disagreement and the need for curiosity. Talk length rule: 2 minutes - Leslie suggests a simple conversational guideline to avoid dominating a discussion: don’t talk for longer than two minutes at a time. Conference/meal ratio example: 75% - Leslie says in a podcast interview context, he might speak 75% of the time because that is the goal of the conversation. Podcast interview ratio example: 90% - He notes that in a podcast interview, the host may speak about 90% of the time, which differs from a social lunch conversation.

Pivotal Quotes: "You're going to become a better communicator and a better storyteller if you are a better listener and a better observer of other people." — Ryan Hawk: Opening framing statement for the episode’s central theme of communication through curiosity. "Curiosity is not a gift that keeps on giving." — Ian Leslie: His core argument that curiosity naturally declines and must be consciously maintained. "I wonder why they think that." — Ian Leslie: His recommended mental shift for handling disagreement without immediate judgment.

Implications: For leaders and teams, curiosity is not optional—it is a strategic skill for hiring, communication, innovation, and conflict resolution. In a polarized, distracted world, the winners will be those who keep learning, listening, and revising their views.