He attended Clarinda High School, and moved to Los Angeles to become an actor at eighteen just after graduating.
A year after moving to Los Angeles, Brown guest starred on the MTV show Undressed.
He then made his first of four appearances alongside Mary-Kate and Ashley Olsen in the film Holiday in the Sun, which also starred Megan Fox and Brown's good friend Ben Easter.
In 2002, Brown got his big break playing Kyle in the ABC sitcom 8 Simple Rules alongside John Ritter, Katey Sagal, and Kaley Cuoco.
[1] He has a walk/run in Los Angeles to raise money for the Huntington's Disease Society of America every autumn.