 Kaplan is also a producer of the monthly show "Geek Time" that airs on every Friday with Jon Hein and Ralph Cirella.Ronald Mund, commonly referred to as Ronnie the Limo Driver, is Stern's limousine driver and bodyguard, and the head of security for the Stern show complex at Sirius Radio.After a career in the Air Force, Mund started a limo business.