Born on October 13, 1967, in San Jose, California, she grew up in Tucson, Arizona. She studied at the University of Arizona before moving to Chicago to pursue acting. Her career began in theater and later transitioned to television with roles in shows like "The Drew Carey Show" and "Grey's Anatomy," where she gained fame as Dr. Addison Montgomery. She starred in the spin-off "Private Practice" and appeared in films such as "The Perks of Being a Wallflower." Known for her dynamic roles and versatility, she continues to act in both TV and film.