Doug Rabow, an expert in Lean-Agile strategic management, discusses the origins of Lean and its application in software development.Lean, originating from the Toyota Production System, focuses on efficiency and continual improvement.Lean principles, such as fostering a culture of problem-solving and respecting people, are crucial for software teams.Metrics like cycle time and throughput are used in Lean to assess and optimize processes, prioritizing team learning and growth.