Bill Laswell was born William Otis Laswell on February 12, 1955, in Salem, Illinois. His family relocated often in his early years — Illinois, Kentucky, Texas — before settling, by the late 1950s, in Albion, Michigan, a small factory town roughly two hours west of Detroit, in a neighborhood that was predominantly Black. Albion turned out to be a formative place for a bass player: school gave him a start on baritone saxophone and drums, but bands needed bassists more than anything else, and by his early teens he was gigging locally. He played R&B and funk in Detroit and Ann Arbor as a teenager, caught Iggy and the Stooges, MC5, and Funkadelic on the same regional circuit, and — through jazz records rather than local shows — absorbed John Coltrane, Albert Ayler, and Miles Davis. That combination, hard funk on one side and free jazz on the other, never really left his music.

He moved to New York in the late 1970s and fell in with guitarist Giorgio Gomelsky's downtown loft scene. Material began there almost by accident, as the backing band for Daevid Allen's New York Gong — Laswell on bass, Michael Beinhorn on keyboards, Fred Maher on drums — before becoming a rotating ensemble in its own right, one whose output ranged from angular art-funk to club-ready electro-pop across the group's early-80s run. One Down (1982), Material's best-known album, gave a young Whitney Houston — whose own career is covered in full in her JazzProfiles.com profile — her actual recording debut, singing the ballad "Memories" opposite Archie Shepp's tenor saxophone, three years before her self-titled pop breakthrough. Laswell's own leader debut, Baselines, followed on Elektra Musician in 1983, recorded with a downtown cast that included Fred Frith and Ronald Shannon Jackson.

1983 was also the year Laswell's commercial fortunes changed permanently. He co-wrote and produced "Rockit," the lead single from Herbie Hancock's Future Shock — a collision of Hancock's synthesizers, Laswell's bass, and Grandmixer D.ST's scratching that helped introduce turntablism to a mainstream audience; its Godley & Creme-directed video won five awards at the first-ever MTV Video Music Awards in 1984. Laswell and Material returned the following year to co-produce Hancock's Sound-System (1984), which won Hancock a Grammy for Best R&B Instrumental Performance. The Rockit years made Laswell a name outside the avant-garde circles he'd come from, and major-label production work followed: he produced or co-produced Mick Jagger's She's the Boss (1985), Yoko Ono's Starpeace (1985), Laurie Anderson's Mister Heartbreak (1984), and additional production on tracks from Peter Gabriel's So (1986), while playing bass on several of these sessions himself.

Through the mid-to-late 1980s Laswell kept a foot just as firmly in noise and metal. He produced Motörhead's Orgasmatron (1986) and Rock 'n' Roll (1987), the Ramones' Brain Drain (1989), and Public Image Ltd's Album (1986) — the last a genuine odd-couple triumph, pairing John Lydon with a Laswell-assembled cast that included Steve Vai, Ginger Baker, Tony Williams, Ryuichi Sakamoto, and Bernie Worrell, and the record most PiL historians consider the band's creative high point. At the same time he was building his own noise-and-improv side: Massacre, the trio with Fred Frith and Fred Maher, cut the confrontational Killing Time (1981); Last Exit, formed in 1986 with Peter Brötzmann, Sonny Sharrock, and Ronald Shannon Jackson, turned free jazz up to a volume that made most rock bands sound polite; and the Golden Palominos — the Anton Fier-led group Laswell played on for its entire 1983-1996 run — gave him another outlet for the same collision-music instinct, working alongside Fred Frith, John Zorn, and (in the group's more pop-oriented later years) singers including Syd Straw and John Lydon.

In 1990, Island Records founder Chris Blackwell backed Laswell in launching Axiom Records, giving him a home base — and his own Greenpoint Studio in Brooklyn — for a run of releases that included Material's Burroughs- and Bootsy Collins-featuring records, Ginger Baker, Sonny Sharrock, and world-music artists such as Simon Shaheen and Foday Musa Suso. Axiom also hosted Praxis, Laswell's most explicitly funk-metal project, built around guitarist Buckethead alongside Bootsy Collins and Bernie Worrell; its 1992 debut Transmutation (Mutatis Mutandis) remains the group's definitive statement. The following year, Laswell teamed with John Zorn and grindcore drummer Mick Harris as Painkiller, whose Execution Ground (1994) pushed the avant-metal template Last Exit had established into dub and ambient territory. Axiom folded in 1997 when Blackwell left PolyGram, but Laswell kept working at the same pace under a rotating cast of his own imprints — Subharmonic, Meta, Submeta, Innerhythmic, Black Arc, and others.

Laswell's parallel career as a reconstructor of other people's archives reached its high point with Panthalassa: The Music of Miles Davis 1969–1974 (1998), a remix-and-reassembly of Davis's electric-period master tapes that drew respectful reviews for treating fusion-era Miles as raw material for something genuinely new rather than a straightforward remaster. He married Ethiopian vocalist Ejigayehu Shibabaw, known professionally as Gigi, and produced her recordings extensively, bringing Ethiopian song into conversation with dub, ambient, and jazz arrangement — the same "collision music" method, in his own phrase, that runs through nearly everything he has touched. He also founded Tabla Beat Science with tabla virtuoso Zakir Hussain, released Life Space Death (2001) with trumpeter Toshinori Kondo featuring commentary from the 14th Dalai Lama, and has continued recording prolifically into the 2020s — including further Painkiller records, ongoing work with John Zorn on Tzadik, and new material well past his seventieth birthday — from Orange Music Sound Studios, his longtime base in West Orange, New Jersey.

Laswell's playing and production share a single instinct: put things next to each other that supposedly don't belong together and see what happens. He has called it "collision music," and the catalog bears it out — Coltrane and Ayler's free-jazz vocabulary sits inside the same body of work as Funkadelic-derived groove, Jamaican dub space, Ethiopian and North Indian modal material, and the bluntest hardcore-punk and metal aggression. As a bassist, he favors low-end weight and space over technical display, a foundation player whose job in his own telling is to hold a track together while everything above it goes strange. As a producer, that same appetite for productive friction defined his signature 1980s work: pairing a jazz-fusion legend with turntable scratching on "Rockit," pairing a snarling post-punk frontman with an all-star cast spanning heavy-metal guitar and Japanese avant-pop synthesizer on PiL's Album, pairing free-improv aggression with dub's negative space in Painkiller. His catalog resists a single genre tag by design; jazz, funk, dub, ambient, and noise are not phases in his career so much as materials he keeps returning to and recombining.