4. Melinda Gates

Melinda French Gates is an American businesswoman and wife of Bill Gates, who is the world’s second wealthiest man with a net worth of $61.3 billion. She is the co-founder and co-chair of her foundation called “Bill & Melinda Gates Foundation”. This initiative makes her out of the list and the only reason is ‘Its Selfless’. In 1999, she along with her husband donated $5 billion of their personal wealth to this foundation.

The primary aim of this foundation is to enhance healthcare and reduce extreme poverty globally. This foundation is controlled by three trustees primarily – Bill Gates, Melinda Gates and Warren Buffet. This foundation mainly has three wings under it namely – Global Health, Global Development and United States Program.