Mohammed A. Almalahi is a faculty member in the Department of Mathematics at Hajjah University in Hajjah, Yemen. He recently earned his Ph.D. in Mathematics from BAMU University, India. He works as an assistant professor at Hajjah University and is also affiliated with Al-Razi University in Yemen. Currently, he is engaged in a project titled "Analytic Study of Fractional Differential Equations and Fractional Calculus". His research focuses on the Theory of Fractional Differential Equations/Inclusions and Functional Analysis. He is particularly interested in the analytic study of fractional differential equations, exploring aspects such as existence, uniqueness, continuous dependence, and stability results, as well as developing properties of their solutions. In addition, Mohammed has a strong interest in mathematical models that describe biological and medical phenomena. He serves as an editor and reviewer for several prestigious international journals and has published over 50 papers in high-quality journals indexed in Scopus and the Web of Science.