Nikolina Pleić is a Research Assistant and PhD candidate at the University of Split, School of Medicine, Croatia. She holds a Masters degree in mathematical statistics and currently works in the field of statistical genetics. She is fluent in all things statistics, frequentist or Bayesian, longitudinal studies, genome-wide association studies (GWAS), Mendelian randomization studies, and linear mixed modelling. Her two main research focuses are the genetic regulation of thyroid and parathyroid function, and the causal modelling of thyroid function and its various outcomes using genetic data.