Sarah Jane Friar OBE (born 24 December 1972[1]) is an Irish-American business executive who is the chief financial officer of OpenAI since June 2024.

[8] Friar won a scholarship from the accounting firm Arthur Andersen after entering a competition; she then worked there for a year before pursuing engineering studies at University of Oxford.

[9] She studied metallurgy, economics, and management at Oxford, and then completed an MBA from the Stanford Graduate School of Business where she was an Arjay Miller scholar.

[1][10] She was an analyst for McKinsey in South Africa,[11] a managing director in equity research at Goldman Sachs, and a senior vice president of finance and strategy at Salesforce[12] before becoming chief financial officer (CFO) at Square in 2012,[13][14][15] and then joining Nextdoor, a hyperlocal social networking service for neighborhoods, as the CEO in 2018.

[20] She also co-chairs Stanford's Digital Economy Lab and runs Ladies Who Launch, a non-profit focused on female entrepreneurs that she co-founded.