Tahar Lazhar AyedTahar Lazhar Ayed received his B.Sc. in economics and Social Sciences from Tunis El Manar University 1997 and his MBA in Marketing and Data Analysis from the University of Quebec At Montreal, Canada in 2002. He earned his Ph.D. in Business strategiesfrom Tunis Al Manar university in 2009. He is now serving as an Assistant Professor (Visitor) of Strategies and Data analysis in College of Business at Umm Al-Qura University, KSA where he joined in 2012 and a senior consultant at the Institute of Consulting, Umm Al Qura University, KSA. He worked as a Marketing Manager at CFH Security in Canada from 2000 to 2004, a Lecturer at the School of Economics and Commerce (Tunis, Tunisia) from 2004 to 2006, a lecturer and assistant Professor at the School Of Commerce (Sfax, Tunisia) from 2006 to 2012.He teaches Principles of Management, Data Analysis, Research methodology, cost accounting, Business and Marketing strategies, etc. Dr Ayed has published books and scientific papers in international indexed journals. Read More Read Less