He served as the Commissioner of Agriculture among others in the National Redemption Council (NRC) military government of General I.K.
He held the position of Director of Studies at the Ghana Military Academy and Training School at Teshie in Accra.
[1] After the coup d'état of 13 January 1972 which overthrew the Busia government, he was appointed as the Central Regional Commissioner.
[2] While Commissioner for Agriculture, he supervised the "Operation Feed Yourself" programme geared towards ensuring national food self-sufficiency.
[6] Bernasko appeared before the National Reconciliation Commission to answer allegations of abuse of human rights while serving as Central Regional Commissioner in the NRC military regime.