Our series of book recommendations to empower talent and fuel brands.

Why Perpetual recommends it
Daniel Kahneman’s Thinking, Fast and Slow is the foundational text behind most modern conversations about cognitive bias, and it earns that status by being genuinely rigorous rather than just clever. Kahneman, a Nobel laureate, lays out two systems of thought: System 1, fast, intuitive and largely unconscious, and System 2, slow, deliberate and effortful. Almost everything interesting in the book is about how System 1 quietly runs the show far more than we’d like to admit.
What makes this required reading for leaders is Kahneman’s relentless cataloguing of the specific ways System 1 misleads us — anchoring, availability bias, overconfidence, the planning fallacy — all illustrated with decades of his own research alongside Amos Tversky. Decisions that feel obviously right in the moment are frequently the product of a mental shortcut rather than sound judgement, and Kahneman shows exactly where those shortcuts tend to fail leaders and organisations.
We treat this book as essential background for any strategy or talent decision that carries real weight. Understanding your own cognitive biases, and building in structures that catch them, is a quiet but critical part of the discipline behind sound executive decision-making.
Kahneman’s own favourite example may be the planning fallacy, illustrated by a team of curriculum designers who, despite knowing that similar projects historically took seven to ten years, confidently predicted they’d finish in two. Kahneman himself was on that team and still couldn’t escape the bias in the moment — a humbling reminder that awareness of a bias doesn’t automatically protect you from it.
- System 1 (fast, intuitive) drives far more of our decisions than System 2 (slow, deliberate)
- Anchoring, overconfidence and availability bias distort judgement in predictable, avoidable ways
- Decisions that feel obviously right are sometimes just familiar, not correct
- Building structured checks into decision processes helps counteract our own biases
A practical safeguard is building a short pre-mortem into major decisions — deliberately asking ‘if this fails in a year, why’ before committing — which forces slower, deliberate thinking into moments instinct would otherwise dominate.
We give this book five out of five stars.