From inside Google Ventures, a unique five-day process for solving tough problems, proven at thousands of companies in mobile, e-commerce, healthcare, finance, and more.

Entrepreneurs and leaders face big questions every day: What’s the most important place to focus your effort, and how do you start? What will your idea look like in real life? How many meetings and discussions does it take before you can be sure you have the right solution?

Now there’s a surefire wa...