Deni Mazrekaj is an Associate Professor of Sociology (Universitair Hoofddocent) with tenure at Utrecht University and an affiliated researcher at the University of Oxford and KU Leuven. He completed his Ph.D. in economics in 2019 at KU Leuven after which he was a postdoctoral researcher in sociology and social demography at the University of Oxford. He is also an Associate Editor of PLoS One and Humanities & Social Sciences Communications. His full CV can be found here.

Deni's teaching focuses primarily on social science research methods. He has taught Advanced Quantitative Methods in the Sociology Master's program at the University of Oxford, and is the coordinator of the Methods and Statistics course in the Sociology Research Master's program at Utrecht University. In 2024, he received the Senior Teacher of the Year Award from sociology students. 

Deni's research is situated at the intersection of sociology of education and the sociology of the family. He is particularly interested in the role of school and family environment in the development of children's outcomes. He has received several awards from the American Sociological Association and the European Academy of Sociology for his research about children with same-sex parents. His other research, featured in top journals such as the American Sociological Review and Perspectives on Psychological Science includes household division of labor and school closures. Additionally, he has contributed to discussions on workplace inclusion in outlets such as Contexts and Nature.

Deni has supervised several outstanding Ph.D. students whose work during their Ph.D. on children of same-sex parents, parental divorce and fertility, and mental health of homemakers has been recognized in leading journals such as Journal of Marriage and Family, Demography, and Social Science & Medicine.