Both, depending on what's missing. A fractional CMO typically assesses whether the current team has the right skills for the strategy, then either directs existing staff more effectively or scopes and hires for the gaps — a paid specialist, a content lead, an analytics hire.
What they generally shouldn't do is stay as a permanent bottleneck where every decision routes through them; part of the role — and part of how Kando structures its fractional CMO engagements — is building a team that can operate without that dependency over time.