Stephen Kendall Gadd (born April 9, 1945) is an American drummer, percussionist, and session musician. Gadd is one of the best-known and most 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" (1976) and "Late in the Evening" (1980), Herbie Mann's "Hi-jack" (1975) and Steely Dan's "Aja" (1977) are examples of his style. He has worked with other popular musicians from many genres including Simon & Garfunkel, James Taylor, Chick Corea, Chuck Mangione, Eric Clapton, Michel Petrucciani, and David Gilmour.