Ken Rubin is Managing Principal at Innolution, a company that provides Scrum and agile training and coaching to help companies develop products in an effective and economically sensible way. A Certified Scrum Trainer, Ken has trained over 23,000 people on agile and Scrum, Kanban, Smalltalk development, managing object-oriented projects, and transition management. He has coached over 200 companies, ranging from start-ups to Fortune 10. Ken was the first managing director of the worldwide Scrum Alliance. He is the author of the Amazon #1 best-selling book Essential Scrum: A Practical Guide to the Most Popular Agile Process. He is also the creator of the Visual AGILExicon®, a freely available set of vibrant, four-color icons for composing graphically rich and visually appealing three dimensional representations of agile and Scrum concepts.