About
Robert Trujillo is an American musician best known as the bassist for the iconic heavy metal band Metallica, a position he has held since 2003. Before joining Metallica, he gained prominence as the bassist for the crossover thrash band Suicidal Tendencies. He also collaborated with Mike Muir in the funk metal supergroup Infectious Grooves. Trujillo's dynamic playing style and stage presence have made him a fan favorite.
Career Timeline
Joins Suicidal Tendencies
Trujillo joins Suicidal Tendencies, gaining initial recognition.
Infectious Grooves Project
Trujillo works with Mike Muir on Infectious Grooves.
Ozzy Osbourne Band
Trujillo plays bass for Ozzy Osbourne.
Joins Metallica
Trujillo joins Metallica, a major career breakthrough.
'Death Magnetic' Album
Metallica releases 'Death Magnetic', solidifying Trujillo's place.
'Hardwired...to Self-Destruct'
Metallica releases another successful album.
Metallica Bassist
Continues to be the bassist for Metallica, remaining a prominent figure.
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Last updated: February 25, 2026