Trieu earned his Bachelor in Performing Arts from The American University. He has appeared in numerous theatrical productions through the years. Notably, the role of Alan Strang in Equus (LADCC Nomination), the title role in Oedipus The King, The Legacy Codes (Dean Goodman Award) with TheatreWorks. Other favorites include: Rashomon, As You Like It, Richard III. He is also a frequent participant at the Ojai Playwrights Conference. Film: Trade Of Innocents, How High, Hancock, Tropic Thunder. Trieu is recurring on the new Aaron Sorkin series Newsroom for HBO.