Dean Leffingwell
A renowned methodologist, author, coach, entrepreneur, and executive, Dean Leffingwell founded Requisite, Inc., which was acquired by Rational Software. As a vice president at Rational (now part of IBM), Dean’s responsibilities included the Rational Unified Process. As chief methodologist at Rally Software, he worked with large enterprises to achieve the business benefits of agility by helping to define and implement the tooling and practices needed to support large-scale agile development. Dean is the author of Agile Software Requirements, Scaling Software Agility, and Managing Software Requirements. His most recent project is the Scaled Agile Framework (scaledagileframework.com) which describes a comprehensive system for scaling lean and agile practices to the largest software enterprises.