he began working for the korea republic newspaper (한국일보) in february 1962 as a copy reader. he finished working there in february 1963. he then began working as a field auditor for the church international field service in march 1963. he finished working for the organization in october 1963. he began working at kanaan poultry corporation (가나안양계주식회사) in september 1964. he was the representative and managing director. he finished working there in july 1968.