Facts: - instrument: bass , guitar , vocals , piano - years active: 1982 -- present - landscape: yes - caption: dave 2010 -rrb- ellefson playing with megadeth at arena joondalup -lrb- - birth name: david warren ellefson - siblings: eliot ellefson - genre: heavy power metal , hard rock metal , thrash metal , speed metal , - alias: junior - notable instruments: signature jackson basses - birth date: 12 november 1964 - name: david ellefson - image size: 250 - background: non_vocal_instrumentalist - image: megadeth -lrb- 5272639753 -rrb- . jpg @ arena joondalup -lrb- 12 12 2010 -rrb- - birth place: jackson , minnesota , united states - associated acts: megadeth , f5 , killing machine , ministry , hail ! , , altitudes & attitudes soulfly , avian , temple of brutality - occupation: musician , songwriter Based on these bullet points, write a short biography describing the life of david ellefson .
The answer to this question is:
david warren '' dave '' ellefson -lrb- born november 12 , 1964 -rrb- is a bassist and founding member of the american thrash metal band megadeth .he has also been referred to '' junior '' to differentiate him from dave mustaine .ellefson currently resides in scottsdale , arizona .in addition to playing bass guitar in megadeth , ellefson also has various side projects which include temple of brutality , f5 , and killing machine .