At sixteen he left home to work for some of Australia's top trainers such as Bart Cummings, Geoff Murphy and the legendary T J Smith. During his stable hand days he was a one-time strapper of champion galloper Kingston Town and is still actively involved in racing, working in the media in his role as racing manager for Australian Associated Press.
Klein is better known these days as an author. His works include his autobiography, A Strapper's Tale, and the Punter racing crime novels, which includes his latest book, Punter's Turf.