Prof. Dr. Engin Özkan is a Professor of Mathematics at Marmara University and an established researcher in algebra and number theory, with particular expertise in number sequences and group structures. He holds undergraduate and graduate degrees in mathematics, culminating in doctoral specialization on Fibonacci-type sequences in finite nilpotent groups. His professional experience spans academic appointments at leading institutions, international research engagement, and sustained leadership in graduate education through the supervision of multiple doctoral theses on generalized number sequences, polynomials, and related algebraic applications. His research focuses on Fibonacci, Narayana, Gaussian, and related number sequences, their algebraic properties, polynomial representations, and applications within group theory and number theory, resulting in a substantial body of peer-reviewed publications with strong citation impact. His scholarly contributions demonstrate methodological depth, continuity, and originality, reflected in a solid h-index and i10-index. He is recognized for advancing sequence theory, mentoring emerging researchers, and contributing to the mathematical research community through sustained academic productivity and international visibility.