John Warrillow is the founder of The Value Builder System™, a simple software for building the value of a company used by thousands of businesses worldwide. Offered by a global network of independent advisors known as Certified Value Builders, The Value Builder System™ incorporates several diagnostic tools, including the Value Builder Score. Those businesses that achieve a Value Builder Score of 90 or greater are worth double the average-performing business.

John is the author of the bestselling book, Built to Sell: Creating a Business That Can Thrive Without You, which was recognized by both Fortune and Inc magazines as one of the best business books of 2011. Built to Sell has been translated into 12 languages. John’s next book, The Automatic Customer: Creating a Subscription Business in Any Industry, was released by Random House in February 2015 and has since been translated into eight languages. In 2021, John released The Art of Selling Your Business: Winning Strategies & Secret Hacks for Exiting on Top. This completes the trilogy of books which teach business owners how to build, accelerate, and harvest the value of their company.

As the host of Built to Sell Radio, John has interviewed hundreds of founders about their exit. Forbes ranked John’s podcast as one of the ten best podcasts for business owners.

Before founding The Value Builder System™, John started and exited four companies.