David Warren Ellefson, born November 12, 1964, in Jackson, Minnesota, United
States, is an American heavy metal bassist and songwriter best known as a member
of Megadeth. Ellefson co-founded Megadeth in 1983, performing on studio albums
from their 1985 debut, Killing Is My Business... and Business Is Good!, through
their 2002 live album, Rude Awakening. After Megadeth's initial disbandment,
Ellefson formed F5, releasing the studio album A Drug for All Seasons in 2005,
and worked with Temple of Brutality and Avian. Rejoining Megadeth in 2010,
Ellefson performed with the band until...