# Leadership > ## Lean software development ## [Lean software development](https://wiki.g15e.com/pages/Lean%20software%20development.txt) [LSD](https://wiki.g15e.com/pages/Lean%20software%20development.txt)의 원칙 중 하나인 [Empower the team](https://wiki.g15e.com/pages/Empower%20the%20team.txt)의 도구. Distinction between managers and leader (Chapter 5, [Lean software development (book)](https://wiki.g15e.com/pages/Lean%20software%20development%20(book.txt))): | Manager | Leader | | -------------------- | ----------------- | | Cope with complexity | Cope with change | | Pland and budget | Set direction | | Organize and staff | Align people | | Track and control | Enable motivation | Project leaders in an agile project: > Project leaders play an important role in an agile project; it's just not the role they learned at their project management class. Instead of scheduling with and , they create a release plan with frequent milestones and keep the focus on meeting iteration commitments. Instead of worrying about scope creep, they worry about creeping elegance; instead of worrying about change approval processes, they worry about change-tolerant design practices. They make sure that testing and integration are part of development instead of a separate and later event. They make sure that the people involved in deployment, training, and customer support are fully involved from the start. --p116, Chapter 5, [Lean software development (book)](https://wiki.g15e.com/pages/Lean%20software%20development%20(book.txt))