William Riser III (November 8, 1954 – December 23, 2013), better known as Ricky Lawson, was an American drummer and composer. A native of Detroit, Michigan, he worked extensively as a session musician, collaborating with Stevie Wonder, Michael Jackson, Eric Clapton, Phil Collins, Whitney Houston, Steely Dan, Earl Klugh, Kenneth "Babyface" Edmonds and other artists. He co-founded the jazz-fusion band Yellowjackets and won the 1987 Grammy Award for Best R&B Instrumental Performance for "And You Know That" from their album Shades.