She would leave the social media service after 14 years, marking the departure of one of the most high-profile female.
She is also one of the wealthiest self-made female billionaires in the world
Sandberg’s tenure at Facebook was marked by repeated political controversies that tarnished her brand even as she tried to distance herself from them.
“I am not entirely sure what the future will bring — I have learned no one ever is,” Sandberg wrote on the social media site
Now Sandberg will face the task of reinventing herself as separate from Facebook and its controversies
The company’s stock price has fallen 44 percent since the beginning of the year following poor earnings results and news that it lost users for the first time in its 18-year history.
Sandberg leaves as Facebook’s business is under threat from younger social media apps, particularly the short-form video service TikTok
Sandberg focused her attention even more fully on being a public champion of small businesses.