The scrum master should not be a manager. Here are some resources about why.
- Why Managers Make Terrible Scrum Masters
- Should a scrum master also perform a functional manager role
- Why the boss should never be the scrum master
- A scrum master is not a project manager by another name
- Functional managers acting as scrum masters - not a good idea
- A scrum master is NOT a project manager
- Who should be the scrum master?
- Why an Agile Project Manager is Not a Scrum Master