Pim Griffioen studied history at the Free University of Amsterdam. Then he worked in the archives and research center of the Ghetto Fighters Museum in Israel. Since 1997 he has been a contract researcher at NIOD Instituut voor Oorlogs-, Holocausten Genocidestudies (Netherlands), Nederlandse Organisatie voor Wetenschappelijk Onderzoek (Netherlands), University of Konstanz (Germany); he also participates in the European Holocaust Research Infrastructure project. In 2008, he received a PhD in history from the Free University of Amsterdam. He is currently conducting a research project related to the survival strategies of Jews of the Netherlands in 1940–1945 in various countries of Western Europe. In 2010–2011 he was a scholarship holder of Yad Vashem in Jerusalem. He also received a Claims Conference scholarship (Saul Kagan Fellowship in Advanced Shoah Studies) for the academic years 2013–2015. Together with dr. Ron Zeller is working on a monograph on Danish labour camps for Jewish men, operating in the territory of the Netherlands in the years 1941–1942.

Ron Zeller studied history and museology at the Free University of Amsterdam, where he received his PhD in history in 2008. Worked as a contract researcher at NIOD Instituut voor Oorlogs-, Holocausten Genocidestudies (Netherlands), Nederlandse Organisatie voor Wetenschappelijk Onderzoek (Netherlands), University of Konstanz (Germany); participated in the European Holocaust Research Infrastructure project. Together with dr. Pim Griffioen is working on a monograph on Danish labour camps for Jewish men, operating in the territory of the Netherlands in the years 1941–1942.