Living Reference
The Chief of Staff Role
A comprehensive, capability-driven breakdown of what makes an effective Chief of Staff. We move beyond generic administrative checklists to focus on observable behaviours, strategic pacing, and systems thinking.
What this role model evaluates
Strong Chief of Staff performance is broader than a list of duties. This model separates underlying capabilities, applied skills, formative experiences, observable ways of working, and evidence of impact so hiring teams and practitioners can assess the role with greater precision.
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This model is informed by practitioner literature, executive feedback, and direct operational experience rather than a universal checklist. It represents Aperture's point of view on what makes a truly effective Chief of Staff across varying organizational scales.