In 2013, Abdelhadi Makan has awarded a Ph.D. in waste management and environmental sciences. He has relevant professional experience in fields such as environmental science, analytical chemistry, waste management, and sustainability. Through all his academic publications, he has fully practiced both qualitative and quantitative research methods. In summer 2015, he wrote and prepared a grant proposal entitled “Design and implementation of a small-scale in-vessel, multi-functional and accelerated composting system in Morocco”. Until now, he works as a professor in the national school of applied sciences (ENSAH), Abdelmalek Essaâdi University. His position as an approved reviewer by Publons allowed him to gain wide experience, especially in preparing, proofreading and writing scientific research articles. He was able to gain the trust of several international journals.