Here are the billionaires who give away the most money, according to ForbesWarren Buffett. Warren Buffett has a lifetime giving of $56.7 billion. ... Bill Gates and Melinda French Gates. ... George Soros. ... Michael Bloomberg. ... MacKenzie Scott. ... Jim and Marilyn Simons. ... Mark Zuckerberg and Priscilla Chan. ... Steve and Connie Ballmer.