EVa-Maria Merz

 Eva-Maria Merz is a sociologist with a background in family studies and demography. She combines her theoretical and quantitative methodological expertise within the topic of (blood) donor behaviour in order to study donor life-courses and the influence of personal and social network characteristics on donor behaviour. 


Marloes Spekman

Marloes Spekman is a postdoctoral researcher at the Donor Medicine Research department of Sanquin. She has a background in Communication Science and Media Psychology. Her research focusses on the psychological and social aspects of blood and plasma donation.



Steven is a PostDoc at Sanquin with a background in health communication. He is currently working on a field randomized controlled trial to test the effects of following the Sanquin Facebook page on donation intentions, donor behavior and attitudes towards Sanquin. In addition, Steven is extracting the most frequently discussed donation related topics on social media and establishing their relationship with donor behavior.


Ting is a PostDoc in the DONORS project, planning to use her knowledge of psychiatry and genetics to investigate blood donation behavior. She has a medicine background and has had resident training as a psychiatrist in China. Her PhD research focused on neurodevelopmental disorders, such ADHD and ASD. 

Caroline Graf

Caroline is a PhD candidate in the DONORS project examining the role of cross-societal differences in shaping people’s motivations to do good. She has a background in Cognitive Science and is interested in interdisciplinary approaches to understanding behavior.


Joris Schröder

Joris is completing his PhD within the DONORS project, where he focusses on individual and social network related determinants of blood donor behaviour. His background is in Socio-Economics and Development Studies.




Pamala Wiepking

Dr. Pamala Wiepking is the inaugural Visiting Stead Family Chair in International Philanthropy at the Lilly Family School of Philanthropy and the inaugural Professor of Societal Significance of Charity Lotteries at the Center for Philanthropic Studies at VU Amsterdam.


Bianca Suanet

Bianca Suanet is an Associate Professor in Sociology at the Vrije Universiteit Amsterdam.

Rene Bekkers

Rene Bekkers is full professor of Philanthropy at the Department of Sociology at the Vrije Universiteit Amsterdam. He has published widely on philanthropy, volunteering and blood donation. Since 2014, he is the director of the Center for Philanthropic Studies at VU Amsterdam.