Mariel is a researcher with over ten years’ experience in mixed methods survey research specializing in data collection of rare and sensitive events. Her main areas of research are improving representation of minority groups in research studies, including are methods of probability and non-probability sampling special populations, as well as conducting research within sensitive contexts. In both contexts, her work focuses on innovating and improving methods in an ethical and participant-focused manner.

Most recently, Mariel has supported the development of data collection structures which will allow the German public to measure and evaluate the effects of structural and individual racism. She has been consulted for projects for the German Ministry for Migration and Refugees, the German Socio-Economic Panel, and the European Council. Her advise has ranged from specifics of technical implementation to the importance of improved data equity and disaggregation for human rights.

Mariel has undergraduate and masters degrees in international relations from the College of William and Mary and Georgetown University, respectively. She earned her doctorate in empirical sociology at the University of Mannheim. Additionally, she is a trained crisis counselor.

She lives in Berlin, Germany and speaks fluent English, conversational German, and some French and Russian.