Simplify the following text for a Grade 5 native English-speaking person.
Original: Ron Dennis was placed at number 648 in the Sunday Times Rich List 2006 with a net worth of Â # 90 million , however The Times put his wealth at Â # 200 million in 2009 .
Simplified: He is placed at number 648 in the Sunday Times Rich List 2006 with a wealth of Â # 90 million .