[2] Green was commissioned as an officer in 1963 and attended the Swedish Armed Forces Staff College from 1969 to 1971.
[4] He attended the Swedish National Defence College in 1984 and the same year he was promoted to senior colonel and appointed chief of staff of Bergslagen Military District (Milo B).
[5] In November 1986, Green was appointed head of the Ministry of Defence's Budget and Planning Department.
He was promoted to major general on 1 April 1989 and was at the same time assigned to the Supreme Commander of the Swedish Armed Forces.
[10] In January 2005, Green co-chaired the Nordic and Baltic Industrial Co-Operation Agreements in Helsinki, Finland.