About
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Sima Sistani most recently served as the CEO of WeightWatchers (NASDAQ: WW) where she architected and led its successful transformation from waning consumer retail company to leading digital health platform. In 2023, CNN Business named Sima in their annual honor of 11 leaders making big bets to move global business forward. In 2024 she was recognized by CNBC as a “Changemaker” for her leadership in transforming business and diet culture. Prior to her joining WW in March 2022, Sima was the Co-Founder and CEO of Houseparty, a communication app. Houseparty, which grew to over 100M users under her leadership, was acquired by Epic
Games in 2019. At Epic, Sima joined the senior leadership team where she was responsible for social products across Epic Games: including Fortnite, one of the
world’s most popular game titles ever released with over 350 million registered users.
She holds a BA from Duke University and an MBA from Northwestern University, Kellogg School of Management. She sits on the board of Best Buy (NYSE: BBY). Sima is a first generation American and lives in Durham, North Carolina with her husband and two children.
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