If the founders of Google, PayPal, or Starbucks had stuck to their original business plans, we’d likely never have heard of them. Instead, they made radical changes to their initial models, became household names, and delivered huge returns for investors. How did they get from their Plan A to a business model that worked?

Why did they succeed when most new ventures crash and burn?
John Mullins and Randy Komisar argue that the startup process, largely driven by poorly conceived business plans based on untested assumptions, is seriously flawed. But there is a better way to launch new ideas—without wasting years of your time and loads of investors’ money.

In Getting to Plan B, Mullins and Komisar present a field-tested process for rigorously stress-testing your initial business idea, and using the evidence you uncover to make swift corrections that tip the business equation in your favor. Focusing on five elements that determine any business model’s economic viability— its revenue, gross margin, operating, working capital, and investment models—the authors’ approach significantly reduces your risk of failure by: Through examples from their first hand experience and research in businesses around the world, Mullins and Komisar reveal how companies have used such systematic experimentation to transform their current business into a viable Plan B. Whether launching a new venture in the marketplace or inside your company, Getting to Plan B will help you replace assumptions with evidence—and vastly improve your odds of success.