Yilmaz Bayar awarded the PhD degree in the field of Economics in Istanbul University Institute of Social Sciences in 2012. He worked as an Assistant Professor in the Faculty of Business Administration, Karabuk University during the period September 2012-March 2015 and as an Associate Professor in the Faculty of Economics and Administrative Sciences, Usak University, during the period March 2015-October 2020 and now working as a Professor in the Faculty of Economics and Administrative Sciences, Bandirma Onyedi Eylul University, since October 2020. Mohamed Sadok Gassouma is an associate Professor have an hability to conduct research. I obtained a doctoral degree then an habilitation diploma in finance delivered by the Faculty of Economics and Management of Tunis in Tunisia. I taught from 2006 until 2009 as a contractual assistant in finance at the higher business school of Tunis then as a permanent assistant from 2010 until 2012 at the higher institute of Finance and Taxation of Sousse as an assistant professor from 2013 until 2021 and from 2022 until now a as an associate Professor having an hability to conduct research. I started my teachings in Islamic finance at 2018 until now at the Higher Institute of Theology University EZ-Zitouna.