Angelina Hammon is a research associate in the SOEP since October 2019 and wrote her PhD thesis in Statistics about non-ignorable missing-data and selection mechanisms. She holds a Bachelor's degree in Sociology and did her master studies in Survey Statistics at the University of Bamberg. After her studies she was working as research associate in the methods group of the Leibniz Institute for Educational Trajectories (LIfBi). and at the Chair of Statistics and Econometrics of the University of Bamberg. Her research interests cover the appropriate handling of missing values, multiple imputation of (non-ignorable) missing data as well as the performance of valid inferences with complex survey data and non-probability samples.