Prof. Dr. José Cleiton Sousa dos Santos graduated in Chemistry from the State University of Ceará (2008). He holds a master’s degree (2011) and a Ph.D. (2015) in Chemical Engineering from the Federal University of Ceará. He holds a Ph.D. in Biochemistry, Molecular Biology, Biomedicine, and Biotechnology (Molecular Biosciences) from the Universidad Autónoma de Madrid, UAM, Spain (2015). Now, he is a permanent professor in the Postgraduate Program in Chemical Engineering (PGEQ) at the Federal University of Ceará (UFC), a permanent professor in the Postgraduate Program in Chemistry (PGQUIM) at UFC, and a permanent professor in the Postgraduate Program in Energy and Environment (PGEA) at UNILAB. He has experience in the areas of chemistry, chemistry teaching, chemical engineering, enzyme engineering, and biotechnological processes. He is currently the General Coordinator of Certification Exams (CGEC) at the National Institute of Educational Studies and Research Anísio Teixeira (INEP).