Complex sentence: Since Iranian Majid Pishyar bought the club in December of 2004 the number of Iranians playing for the club has dramatically increased, and Heshmat Mohajerani a famous Iranian Manager became part of the club's executive committee.
Split into simpler sentences: Since Iranian Majid Pishyar bought the club in December of 2004 the number of Iranians playing for the club has dramatically increased. In addition, Heshmat Mohajerani, a well known Iranian football manager became part of the club's executive committee.