Y Combinator CEO Garry Tan stated that declining an early offer to join Palantir's founding team was a significant financial mistake, estimating the missed opportunity at $2-4 billion. He was employee number 10 at the company.

Garry Tan's reflection highlights the significant financial impact of early career decisions and the difficulty in recognizing groundbreaking opportunities, even for those in the tech industry.
Y Combinator CEO Garry Tan revealed that he regrets turning down an offer to be part of Palantir's founding team, estimating the decision to be a '$2-4 billion mistake'. Tan, who was employee number 10 at Palantir, explained on 'The A16z Show' that he declined the opportunity to stay at Microsoft. His Stanford fraternity brothers, who were interning at Peter Thiel's hedge fund, had arranged a dinner where Thiel offered Tan a $70,000 check, matching his Microsoft salary, and urged him to join. Tan, however, prioritized a potential promotion at Microsoft. He reflected that his decision was influenced by chasing what seemed 'cool' or 'hot' at the time, rather than recognizing the potential of the Palantir opportunity and the caliber of its future co-founders. Palantir has since grown into a company valued at $420 billion, popularizing the 'forward-deployed engineer' role.