The total number of billionaires (in $US) rose by 204 to 2,769 in just 12 months, according to the Oxfam report, and their total combined wealth jumped from US$12 trillion ($19 trillion) to US$15 ...
The world's richest doctor is worth an incredible £27 billion and is the owner of a basketball team. Miriam Adelson is a 79-year-old Israeli-American doctor, businesswoman, and political donor.