Currently, Piia Karhu occupies the position of Chairman at Finnair Kitchen Oy.

She is also on the board of Kesko Oyj and President-Metals at Metso Outotec Oyj.

She previously occupied the position of Chairman at Finnair Kitchen Oy (Old), Senior Vice President-Customer Experience at Finnair Oyj and Senior Vice President-Business Development at Outotec Oyj.