Stephen Vance (@StephenRVance, vance.com) has served in most roles in the software product development process across a wide range of industries and technologies. For the last several years, he has focused on coaching teams in Lean and Agile approaches to development and testing as a practitioner, manager and consultant. He is currently an independent Agile and technology consultant. He is the author of Quality Code: Software Testing Principles, Practices, and Patterns, available through Addison-Wesley.