Lyle David Mays (born November 27, 1953) is an American jazz pianist and composer best known as a member of the Pat Metheny Group.Metheny and Mays composed and arranged nearly all of the group’s music, for which Mays has won eleven Grammy Awards.

Bill Evans‘ album Live in Montreux and Miles Davis‘ album Filles de Kilimanjaro were important influences on his formation as a jazz musician. He graduated from the University of North Texas after attending the University of Wisconsin-Eau Claire. He composed and arranged for the One O’Clock Lab Band and was the composer and arranger of Grammy-nominated album Lab 75.

After leaving North Texas, Mays toured with Woody Herman‘s group for approximately eight months. In 1974, he met Pat Metheny with whom he later founded the Pat Metheny Group. Mays has won eleven Grammy Awards with the Pat Metheny Group and has been nominated for four others for his own work.

In an interview with JAZZIZ magazine in 2016, Mays revealed his current career as a software manager.

In the Pat Metheny Group, Mays provides arrangements, orchestration, and the harmonic and metric backbone of the group’s musical signature. He occasionally performs on electric guitar as well. He played trumpet on the songs “Forward March” and “Yolanda You Learn” from the album First Circle (1984) and during the tour for that album