Life and Carrer
Cullen was born in Wellington, New South Wales. He began his career as a painter and sculptor after training at Sydney's National Art School in 1956 and later studied at the Julian Ashton Art School with Brett Whiteley in 1959. His works have been exhibited regularly in solo and in group exhibitions and he has worked as an illustrator, cartoonist and layout artist on several magazines and newspapers.
Cullen was also a regular arts reporter on the Sunday current affairs television program. He has also worked as a professional and motivational speaker.
Since 2007 Cullen has also been performing "Lawson" a one-man show based on the life of Australian poet Henry Lawson.