In today’s CEO Daily: Geoff Colvin on CEOs who are also board chairs.

The big story: OpenAI IPO coming.

The markets: U.S. futures are up; global markets are mixed.

Plus: All the news and watercooler chat from Fortune .

When Citigroup last week gave CEO Jane Fraser the additional role of board of directors’ chair, the event was a widely covered ho-hum. CEOs are often board chairs as well, and the move merely gave her the same positions held by JPMorgan Chase’s Jamie Dimon and Goldman Sachs’s David Solomon. But the news isn’t quite as ho-hum as it seems.

“They were wrong to do that,” says Charles Elson, founding director of the John L. Weinberg Center for Corporate Governance at the University of Delaware and a director on several boards over his career. “The CEO is being overse

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