He was the 236th richest American in 2009, with an estimated net worth of $1.8 billion.
He was the 262nd richest American in 2008, with an estimated net worth of $1.5 billion.
He has an estimated net worth of more than $100 million.
As of March 2013 his estimated net worth is $14.1 billion.
In 2008 he has an estimated net worth of $500 million.
According to filings, his estimated net worth is $3 million.
His first appearance on the Forbes 400 was in 2003, with an estimated net worth of $650 million.
In 2007, Griffin was had an estimated net worth of $3 billion.
As of 2011, his estimated net worth was $1.5 billion.
He has an estimated net worth of $60 million dollars.