Dr. Chemseddine Maatki is a Full Professor in the Mechanical engineering department at Imam Mohammad Ibn Saud Islamic University, Riyadh, Saudi Arabia. He has an overall experience of more than 24 years of teaching at the university level. He has authored and co-authored more than 120 publications in peer-reviewed journals and conference proceedings. His research interests include thermal engineering, thermodynamics, MHD, computational fluid mechanics, numerical modeling, renewable energy, design of solar distiller systems, and thermal energy storage.