Mike Cohn is the founder of Mountain Goat Software, where he teaches and coaches on Scrum and agile development. He is the author of Agile Estimating and Planning, User Stories Applied for Agile Software Development, and Succeeding with Agile: Software Development with Scrum. With more than 25 years of experience, Mike has previously been a technology executive in companies of various sizes, from startup to Fortune 40. A frequent magazine contributor and conference speaker, Mike is a founding member of the Scrum Alliance and the Agile Alliance. He can be reached at www.mountaingoatsoftware.com.