Fidji Simo (born 5 October 1985) is a French-American businessperson and the CEO and Chair of Instacart. Before Instacart, she spent a decade at Facebook where she was one of the top executives and led the Facebook App. She co-founded The Metrodora Institute, a health clinic and research institute, and is currently president of The Metrodora Foundation. She is on the Board of Directors at OpenAI and Shopify.