Mark Cuban is the current owner of HDNet and well known as the NBA Dallas Mavericks owner. Mark became a billionaire by selling his dotcom company Broadcast.com to Yahoo. Worth approximately 2.8 billion dollars, he made number 133 on Forbes' "World's Richest People" in 2007. Mark, a native of suburban Pittsburgh, Pennsylvania is considered controversial on a number of issues both on and off the basketball court.
Fallen Patriot Fund
Through the Mark Cuban Foundation, he matched 1 million dollars of his personal money with donations. All funds to be for familes of U.S. military persons killed or injured during Iraq Afghanistan wars. 
He is very passionate having paid well over $1 million in fines for lashing out at officials and referees. 
Cuban had financed the anti-American movie Redacted, which flopped at the box office. It was a story of rape and murder of an Iraqi girl by U.S. soldiers.
Mark Cuban has been named in an insider trading scandal. Accused of saving $750,000. by dumping his stake in an Internet company just after he heard confidentially that the company was about to issue low-priced shares.