Dr. Abdelhak Maghchiche. He holds a Ph.D. degree in analytical chemistry and has more than 15 years of experience in analytical chemistry, physical chemistry, pharmaceutical chemistry, polymers, and biopolymers. He has carried out a great deal of research and technical survey work and has performed several studies, in the area mentioned above. Published more than 30 papers, chapter books, and research, in different languages and participates in more than 60 international conferences and congresse