Fidji Simo

Fidji Simo is a seasoned technology executive best known for her decade-long tenure at Facebook (Meta), where she rose to Vice President and Head of the Facebook App, overseeing one of the world's most powerful digital advertising platforms. During her time at Meta, she played a central role in shaping Facebook's News Feed monetization, video advertising strategy, and the development of ad products that generated tens of billions in annual revenue. Her work directly influenced how social media advertising evolved, particularly in the areas of video ads, Stories monetization, and commerce integrations. After leaving Meta in 2021, Simo became CEO of Instacart, where she led the company through a significant transformation — expanding its advertising business into a robust retail media network and steering the company toward its 2023 IPO on Nasdaq. Under her leadership, Instacart's ads business became a meaningful revenue driver, positioning the platform as a key player in the rapidly growing retail media space. She stepped down as CEO in 2023 following the IPO. In 2024, Simo joined OpenAI as CEO of Applications, tasked with leading the commercialization and product development of OpenAI's consumer and enterprise applications. Her background in building large-scale ad-supported and commerce-enabled platforms makes her a critical figure as AI companies explore sustainable monetization models. She is widely regarded as one of the most influential operators at the intersection of consumer technology, platform monetization, and emerging media.

Last updated Jul 22, 2026 by ATDb automated enrichment · Connections updated Jul 27, 2026