#6. Rick Rubin

There is no introduction needed when mentioning Rick Rubin. Not only was he the co-founder of Def Jam Recordings, he was also named one of the 100 most influential people of the year. Rubin was largely responsible for many multi-platinum records from LL Cool J to the Dixie Chicks. At a staggering $400M net worth, you can imagine how many records and hits the man was behind.