Konstantinos Draziotis is an Assistant Professor in the Department of Computer Science at Aristotle University of Thessaloniki, specializing in mathematical cryptography, computational number theory, and lattice-based cryptanalysis. He holds a Ph.D. in Mathematics and has previously served at the University of Macedonia, the Technological Institute of Kavala, and in secondary education before joining AUTH. His research spans Diophantine equations, elliptic curves, and modern cryptanalytic techniques targeting schemes such as ECDSA, knapsack constructions, and NTRU, with publications in journals including Theoretical Computer Science, Information and Computation, Acta Informatica, Mathematics of Computation, and the Journal of Number Theory. He has participated in European research projects, delivered invited talks in Greece and abroad, supervised numerous undergraduate and postgraduate theses, contributed to open-source software such as SageMath and fpylll, and authored a Greek textbook on cryptography. His teaching portfolio covers Calculus, Linear Algebra, Cryptography, Information Theory and Coding, Blockchain Technologies, Network Security, and Lattice Cryptography at both undergraduate and MSc level.