Team-based care reduces errors by improving communication, cross-monitoring, workload distribution, and escalation when risk increases. TeamSTEPPS and related patient safety evidence show teamwork training can improve safety culture and reduce clinical error rates by creating predictable behaviors—briefs, huddles, check-backs, and mutual support. From a risk management standpoint, teamwork is a high-leverage control because many serious adverse events involve coordination failures (handoffs, unclear ownership, missed deterioration). Effective teams also reduce “single-point-of-failure” risk; when one clinician misses something, another can catch it. Organizations operationalize this through standardized communication (SBAR), structured handoffs, simulation, and leadership support for psychological safety so staff speak up. Team functioning is therefore not “soft skill”—it is a measurable safety barrier that reduces preventable harm and strengthens reliability in complex, high-acuity environments.