Bill Gates is currently worth more than $90 billion. : Bill Gates is currently worth more than $90 billion — but no one can say that he isn't trying to give back. The Microsoft co-founder has vowed to give away more than half of his fortune and his charitable organization, The Bill and Melinda Gates Foundation, has given away $41.3 billion to various international and domestic causes to date Over the next five years, the Bill and Melinda Gates Foundation plans to invest $1.7 billion in U.S. public education.