Sheryl Sandberg

As Chief Operating Officer at Facebook since 2008, she led the social media company from a $56 million loss to $22.1 billion in profits in 2018.Her focus on positioning Facebook as a platform for small business advertising helped increase ad revenue by 38% during 2018.For the past 2 years she has defended Facebook in the wake of the Cambridge Analytica scandal and ongoing data privacy risks for its 2 billion users.Her reputation came under fire in late 2018 with a New York Times report on her involvement in a plan to discredit George Soros and other critics.Despite the controversy, Zuckerberg has pledged his confidence in Sandberg's leadership and future at Facebook.