Heikki was a professor in Food Chemistry at the University of Turku and Head of the Unit from 1991 until retirement in 2015. After that I have worked as Professor Emeritus in the Laboratory of Food Chemistry and Food Development. After my military service (1965-66), H studied Biochemistry (MSc) and Food Chemistry (PhD) in Turku. Thereafter, in 1975 I was employed in Food Industry for over six years (Research Director in Saarioinen Ltd and Turun Muna/Cultor Ltd) until he returned back to the University of Turku to work as an Associate Professor in Food Chemistry until 1990. In 1985-86, Heikki was employed as a Visiting Professor in the Food Science Department at the University of California Davis and later in the Australian Wine Research Institute, University of Adelaide, Australia in 1990-91. During the time of his professorship He has also been fixed periods active as a member of the University Council, Dean of the Faculty of Mathematics and Natural Sciences and Head of the Department of Biochemistry and Food Chemistry.