Real name: Erik Tobias Karlsson

Swedish songwriter and music producer with several gold records. He lives in Stockholm and Los Angeles.

He has worked with, among others, Carolina Liar, James Blunt, Kris Allen, Infinite Mass, Pauline Kamusewu, Linda Sundblad, Hoffmaestro, Sofi Bonde, Jennifer Brown, Rigo, Sam and Mark, The Sunshine, and Sam.

Together with Andreas Håkansson and Fredrik Svalstedt, Karlsson started the music publishing and production company Monza Music AB in 2003, with artists such as Hoffmaestro, Linda Sundblad, Infinite Mass, The Sunshine and Pauline Kamusewu. In 2009, Ola Håkansson was added as a co-owner.

In 2011, Tobias Karlsson started the music licensing company Thunderhoney together with Sven Bondesson. The purpose of Thunderhoney is to place Swedish indie music in American film, TV and advertising.