åkerman was part of the 1930 defense commission in 1935 and the 1941 defense investigation. he was a member and secretary of the commission concerning the voluntary acquisition of air defense equipment in 1937, of the king in council and was representative of the executive committee of sweden's landstorm federations central association ("sveriges landstormsföreningars centralförbunds verkställande utskott") from 1938 to 1942. åkerman became a member of the royal swedish academy of war sciences in 1942. he was chairman of the bromma air protection association ("bromma luftskyddsförening") from 1944. åkerman was vice chairman of the central association society and defence from 1951 to 1957, chairman of the board of the insurance company "allmänna livförsäkringsbolaget oden" from 1958 to 1959 and the local board of the commercial bank skaraborgs enskilda bank in skövde from 1958 to 1969. furthermore, he was board member of the insurance companies svenska liv in 1960, städernas försäkringsbolag in 1964 and hansa from 1967 to 1969. åkerman was also chairman of skaraborg county's district of the swedish red cross from 1964 to 1973.