“Writing about joyful experiences for just three days can improve people's moods and decrease their visits to health centers a full three months later.”

American technology executive, philanthropist and writer

Sheryl Kara Sandberg is an American technology executive, philanthropist, and writer. She was chief operating officer of Meta Platforms from 2008 to 2022, and she founded LeanIn.Org. Sandberg became widely known through her work at Meta, where she held one of the company’s top leadership roles for more than a decade. She is also associated with LeanIn.Org, the organization she created, and with writing and public speaking on leadership and work.