Sprint refinement Frequency every sprint start Stake-holders Role entry Scrum Master https://github.com/Cloudoki/scrum-team-toolbelt/tree/master/roles/scrum-master.md Engineers https://github.com/Cloudoki/scrum-team-toolbelt/tree/master/roles/engineer.md Functional analyst https://github.com/Cloudoki/scrum-team-toolbelt/tree/master/roles/functional-analyst.md Series occurence References