Mike Cohn is the founder of Mountain Goat Software, a process and project management consultancy and training firm. Mike specializes in helping companies adopt and improve their use of agile processes and techniques in order to build extremely high performance development organizations. He is the author of "Agile Estimating and Planning," "User Stories Applied for Agile Software Development," and "Succeeding with Agile: Software Development using Scrum."With more than 20 years of experience, Mike has previously been a technology executive in companies of various sizes, from startup to Fortune 40. He has also written articles for Better Software, IEEE Computer, Software Test and Quality Engineering, Agile Times, Cutter IT Journal, and the C++ Users' Journal. Mike is a frequent speaker at industry conferences, is a founding member of the Agile Alliance, and serves on its board of directors. He is a Certified ScrumMaster Trainer and a member of the IEEE Computer Society and the ACM. He can be reached at www.mountaingoatsoftware.com.