Roger S. Penske, Jr, is the son of Roger Penske, ^[1] was once majority owner and director of Orange 21, INC a sunglasses and goggles manufacturer. Roger Jr., resigned in October 2005 to pursue personal interests. He remained the President of Penske Automotive Group until March 31, 2008. ^[1]

In May 2008, Junior formed RP Automotive, Inc. and purchased Penske Ontario from his dad, renaming it Penske Honda of Ontario.

To date, he has opened the following dealerships: Penske Honda of Ontario Penske Toyota Scion of Rancho Santa Margarita Penske Toyota of Downey Penske Mercedes-Benz of West Covina Penske Audi West Covina Penske GMC Buick of Cerritos Penske Chevrolet of Cerritos Penske Chevrolet of Buena Park Penske Cadillac Buick GMC South Bay

His wife is Jennifer Penske and they have two children.

They reside in California. They also own property in Newport Coast, CA.

Penske attended Lehigh University and was the kicker on the Varsity Football team for two seasons, before graduating from Monmouth University, still Monmouth College at the time.