One of Warren Buffett's ex-employees is lashing out against his former boss.

David Sokol, a man who once seemed on-track to succeed Buffett at Berkshire Hathaway, called out the billionaire in a Wall Street Journal story over the weekend.

"I will never understand why Mr. Buffett chose to hurt my family in such a way, but given that he is rapidly approaching his judgement [sic] day I will leave his verdict to a higher power,"