James Joseph Woolley (September 26, 1966 – August 14, 2016) was an American keyboard and synthesizer player, best known for performing with industrial rock band Nine Inch Nails from 1991 to 1994, participating in the Pretty Hate Machine Tour Series and the Self Destruct Tour. Woolley appeared in the band's music videos for "Wish" and "March of the Pigs", and the video album Closure. Together with Nine Inch Nails, Woolley won a Grammy Award in 1996 for "Best Metal Performance" for their Woodstock '94 performance of "Happiness in Slavery".