Max Martin is the stage name of Karl Martin Sandberg, a Swedish record producer and songwriter. The Backstreet Boys' "I Want It That Way" (1999), Céline Dion's "That's the Way It Is" (1999), NSYNC's "It's Gonna Be Me," and Britney Spears' "...Baby One More Time" (1998) are just a few of the popular songs he produced in the late 1990s.