Markku Löytönen was first appointed as Professor of human geography in 1995 at the University of Turku, Finland, and since 1999 he has held this position at the University of Helsinki.
His research interests range from the history of geography and Finnish explorations to quantitative methods and GIS with special interest in the geography of health.
His list of publications totals over 370 titles, mostly articles, reviews and research reports (including congress abstracts).
He is a well-known author of popular science books, among them five books for children, for which he has received five literature awards.
He has been on the editorial board or editorial advisory board of the Journal of Health and Place, the International Journal of Health Geographics, and Belgeo.
He has served as the Editor-in-Chief of Fennia, as the Editor-in-Chief of Terra, and as the Editor-in-Chief of Annales Academiae Scientiarum Fennicae – Geologica-Geographica.
Löytönen is a full member of the Finnish Academy of Science and Letters.