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I am the head of the Knowledge Management Research group at the Royal Institute of Technology in Stockholm. In 1966 I graduated from high school, and in the fall of that year I enrolled as a student of Technical Physics (Teknisk Fysik) at KTH. A year later I was recruited as an assistant math teacher at the mathematics department at KTH, where I was teaching mathematics of many different kinds up until 1990.
In 1972 I received my masters degree (Civilingenjör) in Technical Physics from KTH. Between 1974 and 1976 I was traveling in Africa and India, and between 1976 and 1978 I was a visiting researcher at the School of Holography in San Francisco California. While working there, I discovered the Double Cylindrical Point Focus Principle, which provides a cheap and efficient way to concentrate clear sunlight – a discovery that has influenced many of my later activities.
In 1982 I became interested in computers, and started programming in LISP and later C, C++, and Mathematica. In 1989 I accepted an offer to create an educational program in object-oriented analysis, design and implementation (in C++) at Ericsson/Ellemtel in Älvsjö, Stockholm.
In 1993 I received my PhD in computer vision from KTH. My thesis was titled: Focal Shape Geometry of Surfaces in Euclidean Space and was basically about differential geometry and geometrical optics, including the perturbation theory of the double cylindrical point focus configuration, with applications to computer vision.
In 1996 I became involved with CID, the Centre for User-Oriented IT Design, where I initiated the research on Interactive Learning Environments, which evolved into the Knowledge Management Research Group, which we formed in 2001.
Since then I have become part of a large international network and published widely within the areas of Technology Enhanced Learning, Knowledge Management and Semantic Web. A selection of these publications are available here. Through this network the KMR group has become involved in a number of successful European research projects, which have served as the main source of funding for our activities.
Between its start in 2007 and until 2015, I was the editor-in-chief of the International Journal of Technology Enhanced Learning (IJTEL).