Microsoft CEO Satya Nadella said during the World Economic Forum on Tuesday he was “hopeful” and “optimistic” about the future of artificial intelligence.

Mr. Nadella moved fast to hire Sam Altman, who was pushed out of OpenAI on Friday, and asserted his company’s role in its partnership with the A.I. start-up.

It was the year of artificial intelligence, and no Big Tech company leaned into the trend like Microsoft. In 2023, the company’s CEO Satya Nadella made a multi-billion dollar investment in AI ...

Earlier this year, Satya Nadella hammered out a deal that surprised everyone outside his inner circle at Microsoft. Mr. Nadella, Microsoft’s chief executive, had his eyes on a Silicon Valley ...