Known best for hosting The Amazing Race Asia, Wu also competed on Fear Factor and acted in A Child's Hope, Baby Blues, True Heroes, and other television series.
After graduating from the University of California, Berkeley, he pursued a biotechnology career. After deciding to become an actor, he relocated to Hong Kong.
His film credits include roles in Rice Rhapsody and I Do, I Do.
He grew up in California, U.S.A. as the son of Chinese-born parents. His brief marriage to actress and fellow television host Wong Li-Lin resulted in children named Jonas and Sage.
Wu hosted the Asian edition of The Amazing Race, while New Zealand-born television personality Phil Keoghan hosted the original American version of the reality series.