Martin Karl Sandberg (born 26 February 1971), known professionally as Max Martin, is a Swedish songwriter, record producer and singer. He rose to prominence in the mid-1990s after making a string of major hits for artists such as the Backstreet Boys, Britney Spears and NSYNC. Some of his earlier hits include "I Want It That Way (1999), ...Baby One More Time" (1999) and It's My Life (2000)