Priscilla Chan
Priscilla Chan is married to the well-known co-founder of Facebook, Mark Zuckerberg. The pediatrician and philanthropist, however, is also an amazingly successful individual on her own. The pair have created the Chan Zuckerberg Initiative together with their husband, and it donates 99 percent of their Facebook shares (valued at an impressive $55 billion!). Married since 2012, the combined net value of the pair is $67.4 billion.