John Krewson is the founder and President of Sketch Development Services, a software development studio that provides Agile coaching, consulting and training. Sketch delivers software for its customers using Agile principles and practices, and helps other organizations with their Agile transformations. John has been an active member of the Agile community since 2003 as a developer, ScrumMaster, development leader, product leader, and coach. He recently led the agile transformation for MasterCard Worldwide, scaling agility to 10,000 team members across 6 continents and multiple product lines using the Scaled Agile Framework (SAFe). He was previously an agile coach with VersionOne, where he worked with dozens of companies from startups to the Fortune 50 to help them learn, adopt, and apply Agile, Scrum, and Lean/Kanban principles and practices. John is also a certified SAFe Program Consultant and an internationally recognized speaker at Agile and technology conferences.