Dary John Mizelle (born June 14, 1940 in Stillwater, Oklahoma) is an American composer of avant-garde classical and jazz music.
Davis participated in the New Music Ensemble (a pioneering free improvisation group that dispensed with scores).
He was an original member of the group that founded Source: Music of the Avant Garde magazine.
His mentors include: Larry Austin, Richard Swift, Jerome Rosen, Karlheinz Stockhausen, David Tudor, Roger Reynolds, Robert Erickson, Pauline Oliveros, and Kenneth Gaburo.
He has held academic appointments at University of South Florida, Oberlin Conservatory of Music where he was head of the Technology In Music And Related Arts (TIMARA) program, and State University of New York at Purchase where he was Chair of the Composition Program.