Dario Amodei has built Anthropic, the company behind Claude, into one of the most successful startups in history—reaching a staggering $965 billion valuation and positioning the company for an IPO.
And all this time, he’s been growing the business while managing just one person: his chief of staff. Every other senior leader at Anthropic reports to company president Daniela Amodei, his sister and cofounder.