Stephen Kendall Gadd (born April 9, 1945) is an American drummer, percussionist, and session musician. Gadd is one of the most well-known and highly regarded session and studio drummers in the industry, recognized by his induction into the Modern Drummer Hall of Fame in 1984. Gadd's performances on Paul Simon's "50 Ways to Leave Your Lover" and "Late in the Evening" and Steely Dan's "Aja" are examples of his style. He has worked with popular musicians from many genres including Simon & Garfunkel, Steely Dan, James Taylor, Harry Chapin, Joe Cocker, Grover Washington Jr., Chick Corea, Lee Ritenour, Paul Desmond, Kate Bush, Chet Baker, Al Di Meola, Kenny Loggins, Eric Clapton, Michel Petrucciani, and Toshiki Kadomatsu.