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The Unknown Knowns

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Rating
★★★★★
5
from
8 reviews
This podcast has
29 episodes
Language
English
Explicit
No
Date created
2026/03/31
Latest episode
2026/10/21
Average duration
23 min.
Release period
8 days

Description

Hosted by Dr Angela Lewis, a former CIA intelligence officer and senior intelligence leader, The Unknown Knowns explores what happens when intuition meets tradecraft — when the data ends and genuine insight begins. Drawing on a career spent working at the heart of intelligence and decision-making, Angela explores how we sharpen judgement, confront bias and make sense of complexity. From cognitive blind spots and negotiation to influence and communication, each episode brings lessons from the world of intelligence to the decisions we make every day — helping us think better, lead smarter and communicate with greater impact.

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Podcast episodes

Check latest episodes from The Unknown Knowns podcast


Put Down the Eraser: How to Lead People Whose Job is to Think
2026/10/21
How much freedom should we give people whose job is to think independently? And when does autonomy become abandonment? In this episode of The Unknown Knowns, Dr Angela Lewis explores the relationship between autonomy, motivation and effective leadership, particularly in intelligence environments where independent judgment is essential. Drawing on Self-Determination Theory and her own leadership experience, she challenges the assumption that autonomy means independence, examining how meaningful ownership, competence and connection work together to foster better judgment, engagement and professional development. She also considers what this means for leaders managing intelligence professionals: how do we encourage independent thinking without sacrificing collaboration and accountability? When does oversight become micromanagement, and when does empowerment leave people without the support they need? From the dangers of excessive control to the risks of autonomy without adequate support, Angela explores how leaders can adapt the freedom they give their teams as competence develops, creating space for independent judgment without losing sight of organisational objectives. Because effective leadership isn't about getting people to think exactly like you. It's about helping them become increasingly capable of thinking well without you. This is the first episode in a three-part series exploring Self-Determination Theory and its implications for leadership and professional judgment. Enjoying The Unknown Knowns? Subscribe here to never miss an episode. https://go.sibylline.com/podcast
Degrading Tomorrow's Dataset: How Erasing History Shapes the Future
2026/10/14
What happens when we erase the parts of history that don't fit the stories we want to tell? In this episode of The Unknown Knowns, Dr Angela Lewis explores how the preservation, distortion and deliberate erasure of history shape not only our understanding of the past, but also what we consider possible in the future. From the ancient Egyptian pharaoh Hatshepsut, whose legacy was deliberately obscured, to modern information environments, she examines how historical narratives influence perceptions of legitimacy, shape behaviour and determine which futures we consider possible. She also considers what this means for intelligence professionals and the age of AI: how do we remain objective when evidence challenges the narratives we want to believe? And as AI increasingly relies on the information we choose to preserve, what happens when we lose not just facts, but the reasoning, context and dissent behind them? Because preserving history isn't simply about understanding the past. It's about protecting our ability to make informed decisions today and keeping possibilities open for tomorrow. Enjoying The Unknown Knowns? Subscribe here to never miss an episode. https://go.sibylline.com/podcast
Why Struggle Makes Us Better Problem-Solvers | Figure-It-Out-Ology (Part 2) by Dr Angela Lewis
2026/10/07
What makes some people look at an unfamiliar problem and think, I can figure this out? In Part II of Figure-It-Out-Ology, Dr Angela Lewis explores the psychology behind our ability to navigate challenges we don’t yet know how to solve, from self-efficacy and resilient self-talk to productive struggle, identity and the experiences that teach us to trust our own ability to adapt. She also considers what this means in the age of AI: when answers are increasingly easy to obtain, could removing too much friction also remove valuable opportunities to learn? And what can parents, teachers and leaders do to help others develop the confidence and capability to find their own way forward? Because sometimes the most valuable thing we gain from solving a difficult problem isn’t the answer, it’s the evidence that we can solve difficult problems. Enjoying The Unknown Knowns? Subscribe here to never miss an episode. https://go.sibylline.com/podcast
How Experts Think When They Don’t Know the Answer | Figure-It-Out-Ology (Part 1) by Dr Angela Lewis
2026/09/25
What do you do when you don’t know the answer? We tend to think of expertise as having the answers. But what about knowing what to do when you don’t? In this episode of The Unknown Knowns, Dr Angela Lewis explores what she calls “figure-it-out-ology”: the ability to recognise the limits of what you know and still find a way forward. From intelligence targeting to Hawaiian sea turtles, Angela examines how experts learn to see what others might miss, identify the gaps that actually matter, know where knowledge lives, and adapt when the usual playbook no longer fits. Because sometimes the most valuable skill isn’t knowing the answer – it’s knowing how to figure it out. Enjoying The Unknown Knowns? Subscribe here to never miss an episode. https://go.sibylline.com/podcast
Know Your BATNA
2026/09/18
What is your best alternative if the deal in front of you falls through? In this episode of The Unknown Knowns, Dr Angela Lewis explores BATNA, or Best Alternative to a Negotiated Agreement. This negotiation concept offers a useful framework for decision-making far beyond the negotiating table. Using stories ranging from a heavily discounted necklace in a Pakistani souq to job offers, university choices and organisational decisions, Angela examines how anchoring, sunk costs, loss aversion and status quo bias can distort our judgement. Join the Sibylline Media mailing list: https://mailchi.mp/sibylline.co.uk/podcastsignup Instagram: https://www.instagram.com/sibyllineltd/?hl=en LinkedIn: https://www.linkedin.com/company/sibylline-ltd/ YouTube: https://www.youtube.com/@sibyllineTV Sibylline website: https://www.sibylline.co.uk
Rocky Road and Roller Skates: Complexity Theory
2026/09/09
What happens when the system you're trying to understand keeps changing? In this episode of The Unknown Knowns, Dr Angela Lewis explores complexity theory and the difference between complicated systems and complex adaptive systems. Using a childhood story about roller skates, a broken arm and a hospital waiting room, she explains how people, organisations, markets and adversaries adapt to one another and change the environments they operate in. Angela also explores feedback loops, emergence, tipping points and the Cynefin framework, including the value of “probe, sense, respond” when prediction is not enough. Complexity does not mean anything can happen; it means the system gets a vote. Join the Sibylline Media mailing list: https://mailchi.mp/sibylline.co.uk/podcastsignup Instagram: https://www.instagram.com/sibyllineltd/?hl=en LinkedIn: https://www.linkedin.com/company/sibylline-ltd/ YouTube: https://www.youtube.com/@sibyllineTV Sibylline website: https://www.sibylline.co.uk #ComplexityTheory #IntelligenceAnalysis #DecisionMaking #Leadership #CriticalThinking #Intelligence #Tradecraft
Over the Hedge: Bayesian Reasoning and the Art of Changing Your Mind
2026/09/02
What happens when the world changes but your mental model does not? In this episode of The Unknown Knowns, Dr Angela Lewis explores Bayesian reasoning through the unlikely lens of the 2006 animated film Over the Hedge. When a group of woodland animals discovers that a giant hedge has appeared across their familiar environment, they are forced to confront a problem that intelligence professionals, leaders and decision makers face every day: how do you respond when new evidence challenges what you thought you knew? Angela examines the difference between stubbornly clinging to an outdated assessment and overreacting to a single dramatic development. Bayesian thinking offers a middle ground, helping us update our beliefs in proportion to the evidence rather than abandoning the entire map every time something unexpected appears. Join the Sibylline Media mailing list: https://mailchi.mp/sibylline.co.uk/podcastsignup Follow Sibylline on Instagram: https://www.instagram.com/sibyllineltd/?hl=en Follow Sibylline on LinkedIn: https://www.linkedin.com/company/sibylline-ltd/ Watch Sibylline on YouTube: https://www.youtube.com/@sibyllineTV For more information: https://www.sibylline.co.uk
Beyond Vibes: Why Structure Is What Makes Analysis Trustworthy
2026/08/26
What makes analysis trustworthy? It is not simply the quality of the information or the confidence of the analyst. It is the quality of the thinking that connects evidence to judgement. In this episode of The Unknown Knowns, Dr Angela Lewis explores the role of structured analytic techniques in making reasoning more transparent and easier to challenge. From questioning key assumptions and generating alternative explanations to identifying inconsistencies and testing competing hypotheses, structure can help analysts avoid becoming trapped by the first explanation that fits. But structure has its own risks. Techniques can become performative, with organisations focusing on completing the process rather than genuinely challenging their thinking. The episode considers why the right question is not simply which technique to use but what could go wrong with our thinking and which approach is best suited to exposing that weakness. Join the Sibylline Media mailing list: https://mailchi.mp/sibylline.co.uk/podcastsignup If you enjoyed this episode, let us know by liking, subscribing or leaving a review. You can also contact us with any questions or feedback at [email protected] Follow us on Instagram: https://www.instagram.com/sibyllineltd/?hl=en Follow us on LinkedIn: https://www.linkedin.com/company/sibylline-ltd/ Follow us on YouTube: https://www.youtube.com/@sibyllineTV For more information, visit our website: www.sibylline.co.uk
It's Hard Not to Be Romantic About Baseball
2026/08/19
What can baseball teach us about intelligence analysis? In this episode of The Unknown Knowns, Dr Angela Lewis turns to the world of baseball and the story of the Oakland Athletics to explore how data, strategy and human judgement interact when outcomes remain uncertain. Using Moneyball as a starting point, Angela examines the difference between improving the probability of success and actually controlling the outcome. Data can reveal patterns, challenge assumptions and help us make better decisions, but it cannot eliminate uncertainty or account for everything that happens when humans enter the equation. The same principle applies far beyond sport. Intelligence professionals, leaders and decision makers can use information to improve their decisions, but they still have to operate in environments where unexpected events, human behaviour and chance can change the outcome. Join the Sibylline Media mailing list: https://mailchi.mp/sibylline.co.uk/podcastsignup If you enjoyed this episode, let us know by liking, subscribing or leaving a review. You can also contact us with any questions or feedback at [email protected] Follow us on Instagram: https://www.instagram.com/sibyllineltd/?hl=en Follow us on LinkedIn: https://www.linkedin.com/company/sibylline-ltd/ Follow us on YouTube: https://www.youtube.com/@sibyllineTV For more information, visit our website: www.sibylline.co.uk
Cornfield Economics
2026/08/12
In this episode, Dr Angela Lewis explores what happens when intelligence concepts leave the classroom and start showing up in everyday life. Angela explains why experts can recognise underlying patterns across very different situations, while others can struggle to apply a concept outside the context in which they learned it. The real challenge is not memorising concepts like confirmation bias, groupthink or bounded rationality. It is recognising them when they appear in unfamiliar places and developing better mental models using intelligence tradecraft as a broader way of navigating human judgement. Join the Sibylline Media mailing list: https://mailchi.mp/sibylline.co.uk/podcastsignup Follow Sibylline on Instagram: https://www.instagram.com/sibyllineltd/?hl=en Follow Sibylline on LinkedIn: https://www.linkedin.com/company/sibylline-ltd/ Watch Sibylline on YouTube: https://www.youtube.com/@sibyllineTV For more information: www.sibylline.co.uk #Intelligence #CriticalThinking #CognitiveBias #Judgment #DecisionMaking
The Art of the Jedi Mind Trick (Part 2)
2026/08/06
Where is the line between influence and manipulation and how do you know when you've crossed it? In Part 2 of this series, Dr Angela Lewis moves from theory to practice, exploring how influence works in the real world and the ethical questions it raises. She examines why intent alone is not enough, how context shapes perception and why the most effective influence often leaves people feeling they made the decision themselves. Rather than offering simple rules, Angela provides a practical framework for recognising ethical influence, avoiding manipulation and becoming more aware of the techniques that shape decisions every day. Join the Sibylline Media mailing list: https://mailchi.mp/sibylline.co.uk/podcastsignup If you enjoyed this episode, let us know by liking, subscribing or leaving a review. You can also contact us with any questions or feedback at [email protected] Follow us on Instagram: https://www.instagram.com/sibyllineltd/?hl=en Follow us on LinkedIn: https://www.linkedin.com/company/sibylline-ltd/ Follow us on YouTube: https://www.youtube.com/@sibyllineTV For more information, visit our website: www.sibylline.co.uk #Leadership #CriticalThinking #Psychology #Influence
The Art of the Jedi Mind Trick (Part 1)
2026/07/30
What separates persuasion from manipulation? Is there a clear line, or do most forms of influence exist somewhere in between? In Part 1 of this two-part series, Dr Angela Lewis explores the psychology and ethics of influence through an unforgettable story about a couple who both tried to end their relationship without ever having an honest conversation. From there, she unpacks the broad spectrum of influence, from education and advocacy to negotiation, collaboration and manipulation. Drawing on philosophy, psychology and intelligence tradecraft, Angela examines why influence is an essential part of leadership and intelligence work, why manipulation is so difficult to define and why transparency and agency may be the key differences between ethical influence and something more problematic. Join the Sibylline Media mailing list: https://mailchi.mp/sibylline.co.uk/podcastsignup If you enjoyed this episode, let us know by liking, subscribing or leaving a review. You can also contact us with any questions or feedback at [email protected] Follow us on Instagram: https://www.instagram.com/sibyllineltd/?hl=en Follow us on LinkedIn: https://www.linkedin.com/company/sibylline-ltd/ Follow us on YouTube: https://www.youtube.com/@sibyllineTV For more information, visit our website: www.sibylline.co.uk #IntelligenceAnalysis #Leadership #CriticalThinking #Psychology #DecisionMaking #Influence
Intelligence 101-ish (Part 3): Turning Chicken into Beef
2026/07/22
The Intelligence Cycle has shaped intelligence analysis for decades. But what if it only tells part of the story? In the final episode of the Intelligence 101-ish series, Dr Angela Lewis explores why intelligence is better understood as a dynamic system than a linear process. Using an unforgettable cooking disaster as a metaphor, Angela explains why following the steps is not the same as understanding how the whole system works. This concluding episode challenges one of intelligence's most familiar models and offers a fresh way of thinking about complexity, decision-making and professional tradecraft. Join the Sibylline Media mailing list: https://mailchi.mp/sibylline.co.uk/podcastsignup If you enjoyed this episode, let us know by liking, subscribing or leaving a review. You can also contact us with any questions or feedback at [email protected] Follow us on Instagram: https://www.instagram.com/sibyllineltd/?hl=en Follow us on LinkedIn: https://www.linkedin.com/company/sibylline-ltd/ Follow us on YouTube: https://www.youtube.com/@sibyllineTV For more information, visit our website: www.sibylline.co.uk #Intelligence101 #DecisionMaking #Leadership
Intelligence 101-ish (Part 2): Pay Attention to the Signs
2026/07/15
How do intelligence professionals turn scattered information into something decision makers can actually use? In Part 2 of the Intelligence 101-ish series, Dr Angela Lewis introduces one of the most influential frameworks in intelligence analysis: the Intelligence Cycle. From planning and collection to analysis, dissemination and feedback, Angela explains how intelligence moves from a simple question to an informed assessment. Along the way, she explores why intelligence is not about certainty or prediction but about reducing uncertainty, evaluating competing explanations and helping leaders make better decisions. Join the Sibylline Media mailing list: https://mailchi.mp/sibylline.co.uk/podcastsignup If you enjoyed this episode, let us know by liking, subscribing or leaving a review. You can also contact us with any questions or feedback at [email protected] Follow us on Instagram: https://www.instagram.com/sibyllineltd/?hl=en Follow us on LinkedIn: https://www.linkedin.com/company/sibylline-ltd/ Follow us on YouTube: https://www.youtube.com/@sibyllineTV For more information, visit our website: www.sibylline.co.uk #Intelligence101 #IntelligenceAnalysis #CriticalThinking #DecisionMaking #Leadership #ProfessionalDevelopment
Intelligence 101-ish (Part 1): Power Ballads Spell Trouble
2026/07/08
What is intelligence? Contrary to popular belief, it has very little to do with spies, secrets or James Bond. In the first episode of a new three-part series, Dr Angela Lewis explores what intelligence actually is, why experts still debate its definition and why its real purpose is not collecting information but helping people make better decisions under conditions of uncertainty. Drawing on everything from Michael Bay's Armageddon (1998) to corporate security and everyday leadership, Angela explains the difference between data, information, research, and intelligence. She explores why intelligence is not about predicting the future with certainty but about creating decision advantage when the future is unclear. Whether you're an intelligence professional, a business leader or simply curious about how better decisions are made, this episode provides a practical introduction to one of the world's most misunderstood disciplines. Join the Sibylline Media mailing list: https://mailchi.mp/sibylline.co.uk/podcastsignup If you enjoyed this episode, let us know by liking, subscribing or leaving a review. You can also contact us with any questions or feedback at [email protected] Follow us on Instagram: https://www.instagram.com/sibyllineltd/?hl=en Follow us on LinkedIn: https://www.linkedin.com/company/sibylline-ltd/ Follow us on YouTube: https://www.youtube.com/@sibyllineTV For more information, visit our website: www.sibylline.co.uk #CriticalThinking #DecisionMaking #Leadership #IntelligenceAnalysis

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