Carsten Schack (born 1968 in Gug, Denmark) and better known by his stage name Soulshock is a Danish record producer and songwriter.
Since 1993 he had been living in Los Angeles in the USA with his girlfriend Charmayne Maxwell, former vocalist of American R&B group Brownstone, with whom he has a son, Nicholas.
1 R&B song "Truth Is" performed by American Idol winner Fantasia (which also received a Grammy nomination for best R&B album) and tracks for rap star Nelly.
Throughout the 1990s he wrote and produced, inter alia, Brandy, Usher, Monica, Whitney Houston, Luther Vandross, Craig David, Sting, Toni Braxton, JoJo, and 2Pac.
Soulshock and Karlin have more recently produced songs for the debut solo albums of Cheryl Cole, Alexandra Burke and Leona Lewis.