In his role as VP of Learning Solutions at Improving Enterprises, Don McGreal is a hands–on agile consultant and instructor. As a consultant and certified scrum professional, he has fulfilled whatever role is most needed at the time: developer, business analyst, scrum master, and process coach. As an instructor and certified scrum trainer with Scrum.org, he has authored and taught classes for thousands of software professionals around the globe, specializing in Agile, Scrum, Acceptance Testing, Object–Oriented Design, and Test–Driven Development. On projects and in the classroom, Don is known for his enthusiasm and dedication. He has published articles for both the Scrum Alliance and the Agile Journal and is co–founder of TastyCupcakes.org, a comprehensive collection of games and exercises for accelerating the adoption of agile principles.