Dave Hughes is a practitioner of the Kanban Method. He has been a speaker at conferences for Lean Kanban, AgilePhilly, Agile & Beyond, the Project Management Institute, the Network for Women with Careers in Technology, the AICPA, the Software Engineering Institute, MITRE Corporation, and the Naval Undersea Warfare Center. Dave has taught professional development and technical courses to over 8,000 people world-wide. He has nearly four decades of business, engineering, and professional experience, including 22 years using Lean and Agile techniques. He originated Accepted Value Costing (AVC), the evolutionary approach to Lean-Agile costing and decision making.