… Andrew Hem was born in Cambodia. At 4 months his parents fled Cambodia from the genocide and ended up in Los Angeles. By age 12 Andrew started getting into graffiti. He studied under writers like dzeas, rek2, lifer, and zoueh. He continued graffiti for about 9 years getting into nothing but trouble. He got introduce to figure drawing in his last semester in Santa Monica College and knew right away what he was meant to do. At that moment he changed his major and pursued the life of an illustrator…
 
Bron: andrewhem.com

The 39 year old Californian native attended Pitzer College in Claremont for two years before studying product design at the Art Center College of Design. Mullins soon found that he was better at drawing cars, which led to 6 months at Ford in Detroit. He also discovered that his design sense was a little too weird to be of value to the car design industry and returned to Art Center to study illustration, where he finally finished his degree in 1990.
 
Bron: ballisticpublishing.com