Stella Bollmann

Stella Bollmann is a Researcher at the University of Zurich's Research Methods in Developmental and Educational Sciences group led by Prof. Martin Tomasik. She holds a PhD in Psychology and M.Sc. in Statistics from Ludwig-Maximilians-University Munich. Her research focuses on latent variable models, multilevel data analysis, and improving research methodologies in education and development. Currently, she serves as a project manager for PISA and ÜGK initiatives while contributing to the Zurich Learning Progress Survey (LEAPS). Past roles include postdoctoral positions at Universities of Zurich and Lucerne, and leadership as President of the Swiss Statistical Society (2019–2022). Her work bridges statistical innovation with practical applications in healthcare and education systems.

Education:

• PhD in Psychology (2015), Ludwig-Maximilians-University Munich
• M.Sc. in Statistics (2016), Ludwig-Maximilians-University Munich
• Diploma in Psychology (2011), Ludwig-Maximilians-University Munich

Research Interests:

• Development of statistical methods for longitudinal data
• Evaluation of learning trajectories and educational assessments
• Addressing methodological challenges in research reproducibility

Professional Milestones:

• Recipient of Bavarian Equal Opportunities Sponsorship (2015)
• Research collaborations with institutions like the Institute for Educational Evaluation (Zurich) and London School of Economics

Labs/Teams: Active contributor to the Tomasik Research Group, focusing on quantitative methods and mathematical modeling in education and developmental research.