James J. Woolley was the touring keyboardist for Nine Inch Nails during the later Pretty Hate Machine tours (most notably Lollapalooza 1991), and toured with them through most of the Self Destruct tour, including their Woodstock performance, before being replaced by Charlie Clouser in December 1994. He left for some family reasons. He spent some time briefly in the studio with Reznor, Chris Vrenna, and Danny Lohner during the Downward Spiral recordings but never had any known contributions that made it to the release.
Previous to NIN, Woolley was a major collaborator along with former NIN drummer Chris Vrenna to Chicago band Die Warzau. In 1994, just before NIN hit the road, Woolley contributed heavily to Sister Machine Gun's album Torture Technique.
Subsequent to NIN, Woolley made contributions to Die Warzau albums again, particularly 2005's Convenience album. In 1998, Woolley toured with Rob Halford's one-time Nothing Records band Two after Trent Reznor helped him land this gig (Trent opted to retain Charlie Clouser for NIN itself at the time), which also included John 5 of Marilyn Manson fame. With Two, Woolley played live keyboards and did quite a bit of vocals as well. After Two, Woolley did some studio audio work in L.A. By 2005, Woolley had relocated to Chicago. Since 2006, he has been involved in a new band V.O.I.D., whose long-awaited album is due in late 2010. The band is led by Woolley (Keyboards, backup vocals) and features players Jon Roberts (vocals, guitar), Mark Pearlman (Bass), and DJ Aaron Chase (Drums). A demo is available at V.O.I.D.'s MySpace page: [1]. James has also collaborated in the past in a minimal sense to the music of jazz group NRG Ensemble. Woolley owns http://www.boycottrecords.com/ and V.O.I.D. has some new material posted on the site.