Stylianos (Stelios) Syropoulos is a fourth-year Ph.D. student in Social Psychology and the Psychology of Peace and Violence. Stylianos joined the CRF Methodology Team in the fall of 2021. He is proficient with SPSS, Mplus and SAS, and has received training in R. He has received training in and frequently uses ANOVA, Regression, Structural Equation Modelling and Hierarchical Linear Modelling (including Dyadic Data analysis) in his research. His work focuses on the antecedents of peace, intergroup conflict, and national identification.