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The Evolving Role of Chief Sustainability Officers

Tom Nagy/Gallery Stock

The role of the chief sustainability officer is undergoing a rapid and dramatic transformation. Historically CSOs have acted like stealth PR executives—their primary task was to tell an appealing story about corporate sustainability initiatives to the company’s many stakeholders, and their implicit goal was to deflect reputational risk. The role had virtually no involvement in setting company strategy or communicating it to shareholders; those responsibilities fell to the CEO, the CFO, and the head of investor relations.

A version of this article appeared in the July–August 2023 issue of Harvard Business Review.

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