Sarah Friar, former CEO of Nextdoor, soon to be the CFO of OpenAI, led the company to nearly triple its reach to over 92M Neighbors in 335,000 neighborhoods worldwide. Previously, as CFO at Square, she oversaw its IPO and $30 billion market cap increase. Her prior experience spans Goldman Sachs, McKinsey, and Salesforce. Currently a Board Member of Walmart and Consensys, she's also known for her Board contributions to Slack Technologies and New Relic. A Fellow of the Aspen Institute, and on the Advisory Boards of Operation HOPE, the Blavatnik School of Government at Oxford and Co-Chair of the Stanford Digital Economy Lab. Sarah is committed to mentorship, founding LadiesWhoLaunch.org. Raised in Northern Ireland, she holds degrees from Oxford and Stanford, earning an OBE from Queen Elizabeth II for entrepreneurship.