Prof. Dr. Stoil I. Ivanov is an Associate Professor at the Department of Educational Technologies, Plovdiv University "Paisii Hilendarski". He is a member of the Reviewer Board of Algorithms MDPI and an Editorial Board member of the Universal Journal of Mathematics and Applications. He is also Guest Editor of Special Issue Numerical Analysis and Applied Mathematics of Axioms, MDPI; Guest Editor of the Special Issue Recent Advances and Application of Iterative Methods of Symmetry, MDPI; and an Organizing Committee Member of the 11th INTERNATIONAL EURASIAN CONFERENCE ON MATHEMATICAL SCIENCES AND APPLICATIONS (IECMSA 2022). Most of his research is in the fields of Mathematical Analysis, Numerical Analysis, and Applied and Computational Mathematics.