Dr. Abdelhadi Makan has a Ph.D. in Waste Management and Environmental Sciences. He has professional experience in environmental science, chemistry, and waste management. Through all his academic and professional publications, he has fully practiced qualitative and quantitative research methods. Additionally, he is the founder and CEO of ENQUAS Consulting, an investigation and consultancy office practicing in environmental, quality, and safety domains. Currently, Dr. Makan is a full-time professor at the National School of Applied Sciences (ENSAH), Abdelmalek Essaadi University, Morocco. In his spare time, he is an editorial board member, reviewer, and proofreader for several reputed scientific journals.