OpenAI CEO Sam Altman has dismissed a $97.4 billion takeover bid led by rival Elon Musk, but the unsolicited offer could complicate Altman’s push to transform the maker of ChatGPT into a for-profit company.

Newly named Twitter CEO Parag Agrawal (PUH-rag AH-gur-wahl) has emerged from behind the scenes to take over one of Silicon Valley’s highest-profile and politically volatile jobs.