Complex sentence: After graduation he worked at the Revenue Directorate and then at the Secretariat of the Ministry of Finance, after which, between 1983 and 1986, he was a departmental head at the Ministry of Agriculture and Food Industry.
Split into simpler sentences: After graduation he worked at the Revenue Directorate and then at the Secretariat of the Ministry of Finance. Between 1983 and 1986, he was a departmental head at the Ministry of Agriculture and Food Industry.