American pianist, keyboard player and arranger in Nashville since 1971. Among the hundreds of albums he has played on, a short list of artists include: Garth Brooks, Martina McBride, Crystal Gayle, Loretta Lynn, Conway Twitty, Alabama, Big and Rich, Brooks and Dunn, Olivia Newton John, Neil Diamond, Randy Travis, Mel Tillis, Pam Tillis, Nancy Sinatra, Marie Osmond, Highway 101, and many more.

In his teen years, Dennis performed with the Ralph Marterie, Tommy Dorsey, Woody Herman and Glenn Miller bands. He also led the 76th Army Big Band throughout Europe from '69 to '71. He is currently devoting his time to composing.