Began at Norwegian institute for water resource. Prepared the administrative and professional assessment for the national project "Samlet Plan for vassdrag" that should make consequense assessment for a lot of possible new hydropower plants.
Began as professional leader at the company "Avløpssambandet Norde Øyeren (ANØ)". Prepared a wide range of reports on water quality in rivers located at Romerike district and reviews on what measures that could be done to improve its conditions. I also considered the impact a new main airport at Gardermoen could have on the river Leira.
Began as head of the pollution control section at the County Governor of Rogaland. Implemented experience gained from Romerike district to facilitate the establishment of "Aksjon Jærvassdrag". Prepared an overview on which criteria the sewage plant should satisfy in order to maintain or to restore the water quality in freshwater and in the fjords. I also prepared a document on how fish farming affected the fjord areas in Rogaland.
Began working with drinking water management at The National Food Inspectorate, later Norwegian food safety authority. Have participated actively in developing today's drinking water management and water resource management according to EU regulations.I have also developed the National Target for Water and Health according to Protocol on Water and Health.