Steve Blank is an entrepreneur, consulting associate professor at Stanford, and a senior fellow of innovation at Columbia. Coauthor of the bestselling books The Four Steps to the Epiphany and The Startup Owner's Manual, he is known as the father of modern entrepreneurship. He co-created the Lean methodology popularized by his student Eric Ries, author of The Lean Startup. He has developed and taught innovation methods that are being used widely by startups, companies, and the Department of Defense. His classes are the basis of the innovation programs at The National Science Foundation, National Institute of Health, and the Department of Defense. Steve's career has taken him from repairing fighter planes in Thailand during the Vietnam War to arriving at the beginning of the boom times of Silicon Valley in 1978, where he was part of eight technology startups in the next twenty-one years.