I think ODLH has invested wisely and overtaken Don King

This article has Don King's net worth at $100 million ESPN Classic - Only in America

This article says ODLH's net worth is over $150 million
SI.com - Writers - Chris Mannix: Will Oscar De La Hoya's fight against Floyd Mayweather Jr. be his last? - Friday May 4, 2007 11:17AM

Both articles are outdated, but ODLH makes money hand over fist through GBP, plus his fights, plus Ring Magazine revenue.