About
David Ellefson is an American musician best known as the bassist and backing vocalist for the iconic thrash metal band Megadeth. He was a long-standing member of the band across two stints, contributing to many of their most celebrated albums and tours. Ellefson's distinctive bass playing style and vocal harmonies have been integral to Megadeth's sound. He has also been involved in various other musical projects throughout his career. David Ellefson is a respected figure in the metal community.
Career Timeline
Co-founds Megadeth
Formative years, co-founded Megadeth with Mustaine.
'Rust in Peace' Release
Megadeth's critically acclaimed and commercial success.
Megadeth Breakup
Megadeth temporarily disbanded, Ellefson pursues other projects.
Rejoins Megadeth
Ellefson rejoins Megadeth, returning to success.
Megadeth Departure
Controversy, departure from Megadeth.
Active in Music Projects
Continues music projects, stays active in the metal scene.
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Last updated: February 21, 2026