 Simultaneously, he also worked as a writer and an editor at the journal of "Toplumcu Düşün" ("Societist Idea", which published sixteen issues between June 1978 and May 1980) with Tezel.Following the coup of 1980,as an academic who experienced great disappointment and desperation in this period, Mahçupyan ceased his intellectual activities for some time and left academia moving into business.To support himself, he worked as a manager at several prestigious companies (i.e., Eczacıbaşı Group ) as well as his own business.