Jansson was educated in physics and sociology at the rebro University (state university in rebro, Sweden), before he started a career in ICA, where he held a range of junior positions from 1983 to 1998, and he then worked as CEO of Catena until 1999 when he was hired as CEO of Fazer Group.
Jansson was educated in economics and sociology at the Orebro University, before he started a career in ICA, where he held a range of senior positions from 1973 to 1994. 
