Les Peterson completed an Associate Diploma of Creative Arts at Mitchell College of Advanced Education. He is primarily an illustrator (mostly covers of science fiction texts), who has written some short stories. He was inaugural Art Editor of Andromeda Spaceways magazine (2002). He has worked as a freelance illustrator since 2001, illustrating at least 50 book covers since then for various science fiction publishing houses. He won the 2003 Ditmar Award for Best Fan Artist, and has been nominated numerous times for the Ditmar Professional Artist award. He was shortlisted for the 1998 George Turner Prize for his unpublished novel 'Supplejack'. He has worked as a cartoonist for the Canberra Times and been a design consultant for New Parliament House, Canberra.