Dave Douglas was born March 24, 1963, in Montclair, New Jersey. His father, Damon Greenleaf Douglas Jr. — whose middle name Douglas would later borrow for his record label — introduced him to jazz early, and Douglas started on piano at five, picked up trombone at seven after his father bought one at a yard sale so the two could play together, and switched to trumpet at nine when he joined his school band. At eleven he found his father's Smithsonian Collection of Classic Jazz LPs and a stack of Music Minus One play-along records, giving him both a crash course in the music's history and his first chance to improvise against a band from his own bedroom. He attended Phillips Exeter Academy in New Hampshire, graduating in 1981, then studied at Berklee College of Music and the New England Conservatory in Boston before moving to New York in 1984 to attend NYU, where he also studied trumpet privately with the influential teacher Carmine Caruso.

The 1980s were an apprenticeship in eclecticism that would define his whole career: gigs with the experimental art-rock band Dr. Nerve, sideman work with organist Jack McDuff and saxophonist Vincent Herring, a stretch touring with Horace Silver in 1987 that raised his profile considerably, and collaborations with Don Byron, Tim Berne, Marty Ehrlich, and the Bread and Puppet Theater. In 1993 two things happened that set the template for the next three decades: he released his debut as a leader, Parallel Worlds (Soul Note), an album that set his own compositions alongside string-quartet arrangements of Webern, Ellington, Weill, and Stravinsky, and he joined alto saxophonist John Zorn's newly formed Masada quartet — alongside bassist Greg Cohen and drummer Joey Baron — debuting at the Knitting Factory that September. Zorn's own career, including the Masada songbook project Douglas helped originate, is covered in full in his JazzProfiles.com profile. The Masada years placed Douglas at the center of New York's "downtown" scene and gave klezmer-inflected melody a permanent place in his own writing.

Douglas rarely led just one band at a time. The Tiny Bell Trio, formed the same year with guitarist Brad Schoeppach and drummer Jim Black, filtered Balkan and Eastern European folk melody through a chamber-jazz format across several albums starting with 1994's self-titled debut. In Our Lifetime (1995, New World Records), a tribute to the too-short career of trumpeter Booker Little, brought in a young pianist named Uri Caine, whose own career — and a collaboration with Douglas that would run far deeper than a single session — is covered in full in his JazzProfiles.com profile. Caine returned on Stargazer (1997, Arabesque), Douglas's tribute to Wayne Shorter, and again on Charms of the Night Sky (1998, Winter & Winter), a drummerless quartet with violinist Mark Feldman, bassist Greg Cohen, and accordionist Guy Klucevsek that pushed his klezmer- and tango-inflected chamber writing furthest from conventional jazz instrumentation.

A seven-record deal with RCA Victor's Bluebird imprint brought Douglas his widest visibility yet. Soul on Soul (2000) reimagined the book of pianist-composer Mary Lou Williams; Witness (2001) took on overtly political material, from Kissinger to Nigerian author Ken Saro-Wiwa, and closed with a Tom Waits vocal feature; The Infinite (2002) and Strange Liberation (2003) both paired Douglas's working quintet with saxophonist Chris Potter — whose own career is covered in full in his JazzProfiles.com profile — and Uri Caine on Fender Rhodes, with guitarist Bill Frisell guesting on Strange Liberation, which reached number three on Billboard's jazz albums chart. In 2003 Douglas co-founded the Festival of New Trumpet Music (FONT) in New York, which he has directed ever since; the 2025 edition marked its twenty-second year, and Douglas dedicated 2025's Alloy to FONT co-founder Roy Campbell Jr.

In 2005, no longer satisfied with major-label economics, Douglas founded Greenleaf Music with Mike Friedman of Premonition Records, an artist-run label built on 50/50 profit-sharing and, eventually, a fan subscription model — an early and influential experiment in musicians controlling their own distribution that the label's twentieth-anniversary retrospective in 2025 credited with over 70 releases by Douglas and artists including Donny McCaslin and Rudy Royston. Keystone (2006), the label's third release, paired Douglas's quintet with turntablist DJ Olive and saxophonist Marcus Strickland to score Roscoe "Fatty" Arbuckle silent films. From 2002 to 2012 he also served as artistic director of the jazz program at Canada's Banff Centre.

The 2010s brought two long-simmering partnerships to the foreground. Sound Prints, co-led with saxophonist Joe Lovano, debuted at the Village Vanguard in 2011 and documented new compositions by Wayne Shorter on Sound Prints: Live at Monterey Jazz Festival (2015, Blue Note). And after nearly two decades of Caine appearing as a sideman across Douglas's own records, the two finally co-led an album as equals: Present Joys (2014, Greenleaf), a duo built around songs from the Sacred Harp shape-note tradition that The Guardian called a highlight of that year in jazz. They expanded the format into a trio for Devotion (2019, Greenleaf), adding veteran drummer Andrew Cyrille to the Sacred Harp repertoire. Douglas's electronic-leaning side surfaced in High Risk, a trio with producer Shigeto and bassist Jonathan Maron, documented on Dark Territory (2016) — its title borrowed from Fred Kaplan's history of cyber warfare. Overcome (2020), recorded remotely during the pandemic with vocalists Fay Victor and Camila Meza, opened with a version of "We Shall Overcome."

Douglas's honors include a Guggenheim Fellowship (2005), the Doris Duke Performing Artist Award (2016), an Aaron Copland Award, and two Grammy nominations, alongside repeated DownBeat and JazzTimes recognition as a leading trumpet voice. He teaches at Mannes School of Music and coaches Juilliard's Jazz Composers Ensemble, and began a two-year residency at Sweden's Malmö Academy of Music in 2025. His catalog now runs past 60 albums as a leader and more than 500 published compositions, with recent work including Gifts (2024, with saxophonist James Brandon Lewis and guitarist Rafiq Bhatia) and Alloy (2025), and Transcend and Four Freedoms both slated for 2026. His current ensembles include Sound Prints, the Gifts quintet, OVERCOME, If There Are Mountains, and Alloy.

Douglas's defining trait is the refusal to stay inside one idiom, or even one ensemble, at a time: klezmer and Ashkenazi melody absorbed directly from his years in John Zorn's Masada quartet; Balkan and Eastern European folk forms filtered through the drummerless intimacy of the Tiny Bell Trio; Third Stream classical writing traceable to his New England Conservatory training and audible as far back as the string arrangements on his 1993 debut; and, later, turntables and electronic production sitting alongside acoustic postbop in Keystone and High Risk. Running underneath all of it is an entrepreneurial streak as pronounced as his musical curiosity — founding Greenleaf Music in 2005 gave him and a wider community of like-minded improvisers direct, artist-controlled distribution years before that became common practice in independent jazz, and founding the Festival of New Trumpet Music in 2003 built an institution around the instrument itself rather than just his own output.