Luke Stewart is a composer-improviser, bassist, multi-instrumentalist, and organizer[1] known for his work as a soloist;[8] leader of his Exposure Quintet, with Edward Wilkerson, Jr., Ken Vandermark, Jim Baker, and Avreeayl Ra;[4] and member of groups including Blacks' Myths,[3] Heart of the Ghost,[5] Six Six,[6] Irreversible Entanglements,[2] and Heroes Are Gang Leaders,[7] a literary free jazz ensemble that was awarded the 2018 American Book Award for Oral Literature.

[12] He has performed or recorded with artists including Camae Ayewa,[13] Keir Neuringer, Aquiles Navarro, Tcheser Holmes, Archie Shepp,[14] Warren "Trae" Crudup, III,[3] Miriam Parker,[15] Daniel Carter, Fay Victor,[16] Hamiet Bluiett,[17] Wadada Leo Smith,[18] Jarrett Gilgore,[5] Ian McColm, Anthony Pirog, Jaimie Branch, Thurston Moore,[19] Leila Bordreuil, and Priests.

[20] Stewart grew up in Ocean Springs, Mississippi, where he studied saxophone, violin, and guitar before he began playing electric bass in high school.

[2] One year after the 2014 "People Issue" of the Washington City Paper called Stewart a "jazz revolutionary",[25] he joined Ayewa, Keir Neuringer, Aquiles Navarro, and Tcheser Holmes in forming the "liberation-oriented free-jazz collective" Irreversible Entanglements.

[26] The group performed in the inaugural season of the Kennedy Center's "Direct Current" contemporary culture showcase,[27] and their releases have been included in best-of lists in Magnet,[28] NPR Music,[29] The Quietus,[30] and Stereogum's "20 Best Jazz Albums Of The 2010s".