My name is Konstantinos Zarvalis and I am currently a Postdoctoral Researcher at the Department of Mathematics of the Aristotle University of Thessaloniki (AUTh) in Greece. Up until recently, I was a Postdoctoral Researcher at the Instituto de Matemáticas de la Universidad de Sevilla (IMUS) in Seville, Spain. I have spent the majority of my academic life at the Aristotle University of Thessaloniki, where I obtained my Ph.D. in Mathematics. My main research interests lie in the fields of Complex Analysis and Potential Theory with focus on Semigroups of Holomorphic Functions and Discrete Iteration through techniques of Harmonic Measure. In addition, I am interested in Several Complex Variables and Loewner Theory. Lately, I have started working on Composition Operators in Spaces of Analytic Functions.