Member:
1984-1991 White Lion - bass  
1985-1991 Mike Tramp (White Lion) - bass  
1994 Ozzy Osbourne - bass  
1996 Zakk Wylde - bass  
2001-2004 David Lee Roth - bass  
2004-2005 Black Label Society - bass  
2006-2010 Megadeth - bass  
Live musician:
2010 Lynch Mob - bass, backing vocals  
2011 Dio Disciples - bass  
Guest musician:
2009 Tim Ripper Owens - bass  


Personal information

Born on: 13.01.1959
Official website

James "JLo" LoMenzo (born January 13, 1959 in Brooklyn, New York) is a rock bassist. He played bass with White Lion from 1984 to 1991, and later with Zakk Wylde's side-projects Lynyrd Skinhead, Pride & Glory for one 1994 album, and with Black Label Society until 2005 when he was replaced by bassist John DeServio. He has also performed with Ozzy Osbourne and David Lee Roth and is part of the band Hideous Sun Demons. As of February 10, 2006, Lomenzo was hired as bassist of thrash metal band Megadeth.

He was a touring bassist for Slash's Snakepit, but didn't perform on either of their albums.

LoMenzo is also a graphic artist.

Gear
James LoMenzo is best known for his signature Warwick Buzzard bass which he is frequently seen with live. His amplification section is dominated by Ashdown amps and cabinets. His effects pedals include Dunlop Crybaby, MXR Chorus, MXR Distortion, and Aphex Punch as well as other pedals. He is an endorser of RotoSound bass strings.

SOURCE: http://en.wikipedia.org/wiki/James_LoMenzo