He also served under the government of Suleyman Demirel as speaker of the government  in the 1960s. In the 1970s, during the government of Bülent Ecevit, Ersin was offered various diplomatic functions in Iraq, Lebanon, Switzerland, Germany and Belgium. During the 1980s, Ersin was chief editor of the European edition of the Turkish newspaper Tercuman, based in Frankfurt a.M.,  Germany.
Ersin also served under the government of Suleyman Demirel as speaker in the 1960s. In the 1970s, during Bülent Ecevit's leadership, he was given various diplomatic responsibilities in Iraq, Lebanon, Switzerland, Germany, and Belgium. During the 1980s, Ersin became the chief editor of the European edition of the Turkish newspaper Tercuman, which was published in Frankfurt a.M., Germany.