He was educated from the Norwegian Institute of Technology in Trondheim and was appointed Knight of the Order of St. Olav in 1958.
After the war he returned to Norway, enrolling at the Norwegian Institute of Technology in 1946.
He was the director of Norsk Bergverk from 1958, director of the Norwegian Geological Survey from 1958 to 1966, and professor of geology at the Norwegian Institute of Technology from 1966 to his death.
When he came to Trondheim in 1985 to study at Norwegian Institute of Technology he phoned Rosenborg and asked if he could come and play for the club, and the answer was yes.
He took the dr.philos. degree in 1970, and was appointed as professor at the Norwegian Institute of Technology in 1981.
He graduated as a chartered engineer at the Norwegian Institute of Technology (now part of NTNU), with an emphasis on construction and building.
The original version of SINTRAN, released in 1968, was developed by the Department of Engineering Cybernetics at the Norwegian Institute of Technology in cooperation with the affiliated research institute, SINTEF.
Trøim graduated from the Norwegian Institute of Technology, Trondheim, in 1985 with a graduate marine engineering degree.
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