He beat Elon Musk in court once. Sam Altman hired him to do it again.

Elon Musk, William Savitt and Sam Altman

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• William Savitt is representing Sam Altman in Elon Musk's lawsuit trying to dismantle OpenAI.
• Savitt, a top lawyer at Wachtell, went up against Musk before in a dispute over Twitter.
• He was a cab driver, rock band singer, and Supreme Court clerk before becoming a litigator.

When Sam Altman needed someone to beat Elon Musk in court, he hired a lawyer who had done it once before: William Savitt.

Savitt was a natural choice to take the case.