Roberto Agustín Miguel Santiago Samuel Perez de la Santa Concepción Trujillo Veracruz Bautista better known as Robert Trujillo, is an American musician and songwriter. He has been the bassist of the American heavy metal band Metallica since 2003. He was also a member of crossover thrash band Suicidal Tendencies, funk metal supergroup Infectious Grooves, heavy metal band Black Label Society, and has worked with Jerry Cantrell and Ozzy Osbourne.
