Savas Kaya is Associate Professor of Inorganic Chemistry at Sivas Cumhuriyet University, Health Services Vocational School, Department of Pharmacy, 58140, Sivas/Turkey. He was born in 1989, he obtained Doctorate degree in 2017 in the field of Theoretical Inorganic Chemistry. He does research in Theoretical Chemistry, Computational Chemistry, Materials Science, Corrosion Science, Physical Inorganic Chemistry and Coordination Chemistry. Savas Kaya published more than 100 papers in international journals indexed SCI and SCI expanded with h-index =24. He is the editor of the books entitled Conceptual Density Functional Theory and Its Applications in the Chemical Domain and Corrosion Science: Theoretical and Practical Applications. He is the author of 10 book chapters. Recently, he introduced Kaya chemical reactivity approach and Kaya combined reactivity descriptor and proposed many electronic structure principles