Jeff Barry (born Joel Adelberg; April 3, 1938) is an American pop music songwriter, singer, and record producer. Among the most successful songs that he has co-written in his career are "Do Wah Diddy Diddy", "Da Doo Ron Ron", "Then He Kissed Me", "Be My Baby", "Chapel of Love", and "River Deep - Mountain High" (all written with his then-wife Ellie Greenwich and Phil Spector); "Leader of the Pack" (written with Greenwich and Shadow Morton); and "Sugar, Sugar" (written with Andy Kim).