Priscilla Chan

Priscilla Chan (born February 24, 1985) is an American pediatrician and philanthropist. She and her husband Mark Zuckerberg, the co-founder and CEO of Facebook, established the Chan Zuckerberg Initiative in December 2015, with a pledge to donate 99 percent of their Facebook shares, then valued at $45 billion. She is a graduate of Harvard University and received her medical degree from the University of California, San Francisco (UCSF).