1974 – 1979
Musician, Dance Orchestra Leader

1975 – 1980

M.Sc. (Tech.), Helsinki University of Technology

1980 - 1981
Geotechnical designer (Soviet Union and Saudi Arabia)

1982-2023
Geotechnical Expert

Senior Geotechnical Specialist

1983 – 2023

Corporate Executive and Board Member (partner or board member in approx. 20 companies)

2023 -

Non-fiction Author / Writer