Ron Westray was born in Columbia, SC, in 1970. From 1994 to 2005 he was a member of the Jazz at Lincoln Center Orchestra (New York), directed by trumpeter Wynton Marsalis. As lead trombonist and arranger, he participated in most of the concerts, tours and recordings of this band during twelve years.

A long-time collaborator of pianist Marcus Roberts, he also played, toured and recorded with many other musicians such as Wycliffe Gordon, Benny Carter, Roy Haynes, Randy Brecker, Ray Charles, Stevie Wonder, or the Mingus Big Band, to name but a few. As leader or co-leader, he has released several critically acclaimed albums, e.g.,Bone Structure (with Wycliffe Gordon, 1996), Medical Cures for the Chromatic Commands of the Inner City (2008), Live from Austin (with Thomas Heflin, 2011), Jimi Jazz (2014), or Magisteria (2015).

From 2005 to 2009, he was an Assistant Professor of the Jazz Studies Department at the University of Texas at Austin. Since 2009, he occupies the Oscar Peterson Chair in Jazz Performance at York University in Toronto (Canada), where he is an Associate Professor in the Music Department of the School of the Arts, Media, Performance & Design.