He is known for his smooth style of playing, with infusions of jazz, '60s rhythm and blues, and hard rock creating a rather distinctive tone. His primary influence is legendary bassist James Jamerson. Other influences include the late John Entwistle of the seminal rock band The Who, Rocco Prestia of Tower of Power, Chris Squire of Yes, and John Paul Jones of Led Zeppelin. DeLeo is known for his riffs; he created most of the signature riffs for Stone Temple Pilots, and wrote and arranged most of the band's songs.