Complex sentence: In 1976, he became the head of Beyoğlu youth branch of the Islamist National Salvation Party (MSP), and was then promoted to chair for the Istanbul youth branch of the party.
Split into simpler sentences: In 1976, he became the head of Beyoğlu youth branch of the Islamist National Salvation Party (MSP). That same year, he was promoted to the position of chair for the Istanbul youth branch of the party.