Alexander Erik Kronlund (born 10 December 1971 in Bredäng) is a Swedish producer and songwriter. Kronlund co-wrote Meja's million-selling debut album on Sony and co-wrote two songs for Britney Spears' second album, Oops!... I Did It Again. Kronlund co-wrote her hit single, "Lucky", with Max Martin and Rami and also co-wrote "Don't Go Knockin' on My Door". He has also worked with Backstreet Boys, Lesley Roy and *NSYNC and, more recently, Robyn and Lambretta. Kronlund also co-wrote two songs with Cyndi Lauper for her 2008 album Bring Ya to the Brink.
https://en.wikipedia.org/wiki/Alexander_Kronlund