Mark Robertson [Edit] By Sticky Facts Editorial StaffMark Robertson biography, ethnicity, religion, interesting facts, favorites, family, updates, childhood facts, information and more:Mark Robertson date of birth:July 20, 1970How old is Mark Robertson?55What is Mark Robertson nationality?AmericanWhat is Mark Robertson's occupation?Musician Tags: americanbirth day 20birth month julybirth year 1970musician Suggested Posts Emma Watson Facts Peter Dinklage Facts Robin Williams Facts Taylor Swift Facts Shaquille O'Neal Facts Tom Cruise Facts John Lennon Facts Robert Downey Jr. Facts