from the story in Forbes 400:

"Former pro poker player dealt losing hand: net worth down $3.1 billion within past year. Lost out on bid to John Malone's Liberty Media for control of Sirius Satellite radio in February. Sold TV satellites from truck with wife in 1980s; built EchoStar Communications into satellite mammoth. Dish Network boasts 13.6 million subscribers today. Spun off cable box manufacturer EchoStar last year; shares down 45% since. Still heads both companies. Ordered to pay $103 million in June to TiVo for video-recorder patent infringement; plans to appeal."

how many years did he play professionally? what years?

anyone know anything about him? his wiki page has nothing on his poker playing