Loading the player... Warren Buffett's net worth briefly crosses $100 billion mark Berkshire Hathaway Inc chairman Warren Buffett joined the $100 billion net worth club briefly, before his net worth declined to a tad below $100 billion mark on Friday. Jeff Bezos ($183 billion), Elon Musk ($180 billion), Bill Gates ($139 billion), Bernard Arnault ($125 billion) and Mark Zuckerberg ($104 billion) currently have a net worth of over $100 billion, as per the Bloomberg Billionaires Index. The 90-year-old Buffett has added $12.1 billion to his net worth in the current year so far. Netflix tests way...