Jim is an accomplished author and former manager at Siemens Medical Solutions. Jim's career highlights include managing various development teams ranging in size from 5 to 155 developers, instituting iterative project management processes, and improving product quality, development performance, and customer satisfaction. He's been coached by many thought leaders in the Agile space, including Bob Martin, Jim Grenning, Mike Cohn, Ken Schwaber, and Esther Derby. He started Artisan Agility in 2009, and is the author of "Enterprise Scale Agile Software Development" (published in 2009), and "The ScrumMaster Study Guide" (published in 2011).