Karl Martin Sandberg (born February 26,1971), better known as Max Martin, is a Swedish singer-songwriter, record producer and singer. It gained importance in the second half of the 1990s, after making a series of major successes for artists such as Backstreet Boys, Britney Spears and NSYNC. Some of his early successes include “I Want It That Way” (1999),”… Baby One More Time” (1999) and “It’s My Life” (2000).

Martin wrote or co-authored 22 Billboard Hot 100 hits number one, most of which also produced or co-produced, including Katy Perry’s “I Kissed a Girl” (2008), Maroon 5 “One More Night” (2012), Taylor Swift’s “Space Blank” (2014) and The Weeknd’s “The Can Not Feel My Face” (2015). Martin is considered the third singer-songwriter behind only Paul McCartney and John Lennon.

At the beginning of 2013, The Hollywood Reporter put its individual sales at more than 135 million.

In 2014, Martin beat Jimmy Jam and Terry Lewis and Dr. Luke to take second place in most of the number one hit list for a producer, behind George Martin, who had compiled 23 at the time of his death.

Martin’s influence on music is also evident in the effect he had on co-producers. Luke and Shellback. Time Magazine reported that “There is a group of high-powered songwriters based in Sweden, and the great master is Max Martin and when Kotecha worked with One Direction, he credited Martin’s influence” In Sweden, you don’t do anything until you do it right. The New Yorker reported that Martin was “the Swedish mentor and frequent collaborator of Dr. Luke. If Luke is the Skywalker of pop songcraft, Max is the Obi-Wan: the lonely master… The vital spark in Dr. Luke’s musical emergence has met Max Martin.” Dr. Luke himself says of the chemistry between him and Martin””It happened very quickly. It was magical. … Instead of making tracks for five thousand people, why not make tracks for a million? The magazine for the Swedish Muslim mana Gement STIM reported that Shellback became an “apprentice” with Martin acting as “his mentor” at Maratone Studios after 2006 when “Max Martin saw something special in the young man from Karlshamn. Judging by the incredible success Shellback has had since then, Martin’s A & R skills are among the best in the music business.”