Engin KARADAG received his PhD degree at Marmara University in 2009 and received his postdoctoral training on leadership and educational researches at Cambridge University. His doctoral dissertation has been awarded as being the best educational research by Turkish Ministry of National Education. Karadag is the editor and reviewer of various national and international journals. He has written and published books, book chapters, book translations and more than 100 international articles. Educational administration, leadership studies, school culture, learning theories, measurement and evaluation together with the methodology, meta-analysis, advanced statistical analysis using SPSS and LISREL software can be listed among his major interest areas of study. He also is an academic member in Faculty of Education in Eskisehir Osmangazi University.