Between 1961 and 1966 he was responsible for oil exploration activities in the North Sea and Portugal for the Ax:son Johnson Group.
No fewer than five companies were listed on the stock market in the process, including Avesta Jernverk (1987), Databolin (1987), Silja Line (1990), NK (1987 and 1997) and Linjebuss (1992).
In addition, the Group has proprietary interests in the British company Spirent plc, listed on the London and New York Stock Exchanges, and in Nordstjernan, which in turn has major interests in other companies, including the listed company NCC.