The Power of Purpose: A Review of Start with Why by Simon Sinek

ByPeter Joeseph 'Briefcase Maker' Kalafatis
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Why does one company sell nearly the same product as its rivals and still end up with the loyal customers? Simon Sinek built a book around that question, and the answer he gave, begin with purpose and work outward, turned into shorthand for a whole style of leadership talk. The book is Start with Why. This review covers what it argues, how it reached print, and where its critics have pushed back hardest.

The idea is easy to state. Whether it is easy to defend is another matter.

The Author and the Book’s Path to Print

Simon Sinek was born on 9 October 1973 in Wimbledon, London, and took a BA in cultural anthropology at Brandeis University. His working life began in New York advertising, at the agencies Euro RSCG and Ogilvy & Mather, and he later started a consulting business of his own, Sinek Partners.

Start with Why: How Great Leaders Inspire Everyone to Take Action was published by Portfolio in 2009. Wikipedia’s record of the first edition gives 255 pages and the ISBN 978-1-59184-280-4. Open Library lists a later Portfolio edition dated 2011, at 256 pages, under ISBN-10 1591846447, the identifier in this page’s buy link.

Sinek’s own site calls it his first and most popular book and notes appearances on the New York Times and Wall Street Journal bestseller lists. Sales data from NPD BookScan, as cited on Wikipedia, named it the bestselling leadership book from mid-June 2016 to mid-June 2017, at 171,000 paperback copies, long after its first appearance. Four more books followed: Leaders Eat Last (2014), Together Is Better (2016), Find Your Why (2017) and The Infinite Game (2019).

The Golden Circle, Explained

Everything in the book hangs from a single diagram of three concentric rings. Why sits at the center, How in the middle ring, What on the outside. The Why is the purpose or belief behind an organization. The How is the process or set of values that turns the belief into action. The What is the product or service, the part a customer can point to.

Leather briefcase on a walnut desk beside a notebook with nested circles

Sinek’s claim concerns the order of communication. Most companies, he argues, speak from the outside in and lead with the product and its features. The ones that inspire speak from the inside out, leading with the belief and letting the product serve as evidence of it.

Theo Winter, writing on the Human Performance Technology by DTS blog, credits the model with a practical strength: it has three parts, it is quick to explain, and it is easy to sketch on a whiteboard. He also observes that the ideas around it are old. Values shaping strategy, and the corporate mission statement, go back to the 1980s, so what Sinek added was the packaging and a long run of case studies.

What the Book Argues

The argument starts from a contrast between two ways of moving people, manipulation and inspiration. Manipulation can produce a sale. Inspiration, Sinek holds, is both more powerful and more sustainable.

The support is mostly case studies. Apple is the favorite, appearing more than 230 times by Winter’s count and set against competitors who sell comparable products without the same following. TiVo serves as the cautionary tale: well financed and well made, and undone, in Sinek’s account, by how it communicated. Martin Luther King Jr., John F. Kennedy and Steve Jobs appear as leaders who offered people a cause instead of a task list. Graham Mann’s published reading notes add the Wright brothers and Southwest Airlines to the roster.

“People don’t buy WHAT you do; they buy WHY you do it.”

(Simon Sinek, Start with Why, as quoted by Theo Winter.)

The sentence is the book in miniature. Features can be compared side by side. A belief is harder to line up against a competitor’s.

Sinek’s account of how ideas spread leans on Everett Rogers’s Diffusion of Innovations, first published in 1962, whose adopter categories run from innovators and early adopters through the early and late majority to laggards. LawVision’s summary of Sinek’s version places the tipping point at about 15 to 18 percent market penetration, the stage at which the skeptical middle starts to pay attention.

Aaron Davis, reviewing the book on his Read Write Respond blog, stresses its leadership side. Trust, loyalty and inspiration hold a team together better than fear, he writes, and a shared purpose has to be built with people rather than handed down. He adds that a why cannot be invented on demand. It has to be uncovered through reflection. Davis quotes Sinek on how trust survives:

“Trust is maintained when the values and beliefs are actively managed.”

(Simon Sinek, as quoted by Aaron Davis.)

Where the Argument Gets Pushback

The sharpest objection concerns the biology. Sinek ties the Golden Circle to the brain, linking Why and How to the limbic system, which handles feeling and gut decisions, and What to the neocortex, which handles rational thought and language. Winter reports that some scientists dismiss the mapping as junk science, and he cites the neuroscientist Paul Middlebrooks, who says the claims run far past what neuroscience can currently support. In Psychology Today, Jenni Ogden, Ph.D., rejects the idea that passion lives only in the limbic system and argues that the whole brain, neocortex included, takes part.

A second objection is about evidence. Winter notes that the book leans on Apple as the success and TiVo as the failure, with no survey data or comparison groups to show that purpose, and not timing or product quality, drove either outcome. Luke Jeffrey Janssen, reviewing the book on his WordPress blog Reaching into Plato’s Cave in December 2019, calls this confirmation bias. He says the Wright brothers story credits purpose for what timing, technical choices and luck also shaped, finds the book repetitive, and sets Sinek’s advice to trust gut instinct against Daniel Kahneman’s Thinking, Fast and Slow, which documents how often quick intuition errs.

Others dispute the order of operations. Ken Krogue, writing for Forbes, argued that in sales the right person comes before the right why; Wikipedia’s article on the book summarizes his case. Winter brings in Peter Drucker’s view that the purpose of a business is to create and keep a customer, and warns that a company absorbed in its own belief can lose sight of what customers need.

Set against all of that, the central claim survives in a smaller form. Davis, the most sympathetic of these reviewers, concedes that the idea feels obvious once stated, and that the real difficulty is holding to a purpose over time. Janssen arrives at a similar place from the other side: a worthwhile principle for anyone starting an enterprise or a movement, oversold as the secret to success. That reading fits what the sources support. Start with Why is a clear argument about communication and conviction, wrapped in a thin layer of science that does not hold the weight.

The Talk Behind the Book

The same ideas exist as a talk. Sinek gave it at TEDxPuget Sound in September 2009, and TED posted the recording in May 2010. It runs 17 minutes and 47 seconds. Davis recommends it as an introduction, and Janssen’s point that the book’s main idea fits easily into a short talk runs in the same direction. Sinek’s own website embeds the talk, and it appears below. Watching it first is a low-cost way to find out whether the argument persuades before committing to the full book.

Empty stage with a single stool under a warm spotlight

Frequently Asked Questions

Who published Start with Why, and when?
Portfolio published it in 2009. Open Library also lists a 2011 Portfolio edition, at 256 pages.

What is the Golden Circle?
A three-ring diagram with Why at the center, How in the middle and What on the outside. Sinek argues that inspiring leaders and companies communicate from the center outward.

Is the neuroscience in the book reliable?
Critics say no. Winter cites a neuroscientist who calls the claims far beyond current understanding, and Ogden argues the whole brain is involved. The framework can still be judged on its communication argument alone.

Is the book worth reading after watching the TED talk?
It depends on what the viewer wants. Davis recommends the talk as an introduction, and Janssen found the book repetitive. Readers after the full set of case studies and the longer argument will find them in the book.

What did Sinek write after it?
Leaders Eat Last (2014), Together Is Better (2016), Find Your Why (2017) and The Infinite Game (2019).

Where was the TED talk given?
At TEDxPuget Sound, in September 2009. TED posted it on its own site in May 2010.

Where to Read It

Start with Why: How Great Leaders Inspire Everyone to Take Action (affiliate link). This is the Portfolio edition tied to ISBN-10 1591846447, the same one the buy button at the top of the page points to.

Lighthouse on a rocky coast at first light

Further Reading

Luke Jeffrey Janssen’s December 2019 review on his WordPress.com blog, Reaching into Plato’s Cave, grants the value of the core message and then takes the book apart on repetition, reliance on Apple, and its neurobiology.

Aaron Davis’s review, Leadership Starts with Why, is the more appreciative of the two and concentrates on trust, shared purpose and the work of keeping a purpose alive.

Theo Winter’s Praise & Criticism: The Golden Circle, from October 2015, sets out both sides of the model in one short piece.

Sources

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