The prominent A.I. start-up is also considering a change to its corporate structure to make it more appealing to outside investors.

Amid a flurry of news around its funding plans, OpenAI has tapped the political veteran Chris Lehane as its vice president of global policy.

Mr. Lehane held a similar role at Airbnb and served in the Clinton White House as a lawyer and spokesman who specialized in opposition research. He earned a reputation as “the master of disaster” during his time working for President Bill Clinton.

As OpenAI has built increasingly powerful artificial intelligence technologies, it has warned of their potential danger, and it is under pressure from lawmakers, regulators and others across to the globe to ensure that these technologies do not cause serious harm. Some researchers worry that the A.I. systems could be used to spread disinformation, fuel cyberattacks or even destroy humanity.

Mr. Lehane could help navigate an increasingly complex social and political landscape. Through a spokeswoman, he declined to comment.

A spokeswoman for OpenAI, Liz Bourgeois, said, “Just as the company is making changes in other areas of the business to scale the impact of various teams as we enter this next chapter, we recently made changes to our global affairs organization.”

OpenAI is negotiating a new funding deal that would value the company at more than $100 billion, three people familiar with discussions have said. The deal would be led by the investment firm Thrive Capital, which would invest more than $1 billion.

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