William D. Evans (born February 9, 1958) is an American jazz saxophonist,[1] who was a member of the Miles Davis group in the 1980s and has since led several of his own bands, including Push and Soulgrass.

His early influences on saxophone were Sonny Rollins, Joe Henderson, John Coltrane, Stan Getz, Steve Grossman, and Dave Liebman.

Moving to New York city in 1979, he spent countless hours in lofts playing jazz standards and perfecting his improvisational style.

[1] He has played, toured and recorded with artists such as Herbie Hancock, John McLaughlin,[2] Michael Franks, Willie Nelson, Mick Jagger, Les McCann, Mark Egan, Danny Gottlieb, Randy Brecker, The Allman Brothers Band, and Medeski Martin & Wood.

Soulgrass was combination of bluegrass and jazz fusion that featured Béla Fleck, Sam Bush, Bruce Hornsby, and Vinnie Colaiuta.