Her late husband served as CEO for six years
The Facebook COO spoke Saturday at Beijing's Tsinghua School of Economics and Management
After 30 days of mourning, Facebook COO Sheryl Sandberg shares what she's learned since her husband's sudden passing
"All we can do is to give our loss meaning"
Sandberg will resume her duties with Facebook this week
You might say Helena Rubinstein’s story began at 16, when her father renounced her for refusing an arranged marriage in the Jewish district of Krakow where she...