Master of Science in Forestry, Helsinki (Finland) University, 1990. Doctor of Forestry, Helsinki (Finland) University, 1997.
Research assistant Finnish Forest Research Institute, Sounenjoki, 1987, Vantaa, 1988-1989. Research assistant department entomology Helsinki University, 1989-1990. Senior researcher Finnish Forest Research Institute, Rovaniemi, since 1990.
Married Erja Maaria Ruuhela, May 8, 1993. Children: Jasmin, Oona.