After starting his career in the Swedish paper industry , he became CEO of the state - owned PK - Banken ( now a part of Nordea ) in 1988 .
Zetterberg graduated with a degree in business .
After starting Zetterberg 's career in the Swedish paper industry , Zetterberg became CEO of the state - owned PK - Banken ( now a part of Nordea ) in 1988 .
Zetterberg graduated with a degree in business .