Scrum Master
Accountable for the team's effectiveness, coaching the team and organization in Scrum, and removing impediments.
The Scrum Master accountability is preserved across all four frameworks, but scope varies. In Scrum, Nexus, and LeSS, the Scrum Master works primarily with one team. In SAFe, the role was renamed "Scrum Master / Team Coach" in SAFe 6.0, and ART-level coordination moves to the Release Train Engineer.
Across the Frameworks
Scrum
NativeScrum Master
Serves the team, PO, and organization through facilitation, coaching, and impediment removal.
SAFe
RenamedScrum Master / Team Coach
Same team-level accountability; cross-team work moves to the RTE.
LeSS
ModifiedScrum Master (1–3 teams)
One SM often serves multiple teams; focus expands to the whole product and organization.
Nexus
NativeScrum Master
Preserved from Scrum. May also serve on the Nexus Integration Team.
Related Terms
Present in Scrum, SAFe, LeSS, Nexus.