Career
He was employed (among others) by Nokia Networks and Tele Finland, as well as Finnet Osakeyhtio (Limited Company) Makkonen played a leading role in creating the mobile communication unit of what is today TeliaSonera.
He was employed (among others) by Nokia Networks and Tele Finland, as well as Finnet Osakeyhtio (Limited Company) Makkonen played a leading role in creating the mobile communication unit of what is today TeliaSonera.