- Born 04 Nov 1948 in Keitele, Finland.
- Baccalaureat: 1967 in Kiuruvesi, Finland.
- MSc in 1970 and PhD in 1974 in mathematics at the University of Turku, Finland.
- Positions: Professor in Computer Science at the University of Joensuu (Finland) since 1990.
- Positions held: Assistant at Mathematics Department (Univ. Turku) from 1970 to 1979. PostDoc fellow at the Computer Science Department, McMaster Univeristy, Canada, for the academic year 1977-1978.
- Senior lecturer at Computer Science Department (Univ. Turku) from 1979 to 1987.
- Professor in Computer Science at the University of Kuopio (Finland) from 1987 to 1990.
Main Research Interests:
- theoretical computer science and artificial intelligence in general
- complexity of algorithms
- models of parallel computing (main interest)
- logic programming
- syntax directed text processing