Merel Ritskes-Hoitinga is currently professor in Evidence-Based Laboratory Animal Science and leader of SYRCLE (SYstematic Review Center for Laboratory animal Experimentation, www.syrcle.nl), at the Department for Health Evidence, Radboud university medical center, Nijmegen, The Netherlands. She graduated in 1986 as a vet, and she has since been dedicated to promoting good quality science and laboratory animal welfare simultaneously with the aim to promote translational value. She did her PhD at the Department for Laboratory Animal Science at Utrecht University (1992), and was educated as an Animal Welfare Officer. After working for the Unilever Research Laboratory, Vlaardingen, The Netherlands, she moved to Denmark. From 1996 to 2005 she was head of the Biomedical Laboratory at the Unviersity of Southern Denmark in Odense and Professor in Laboratory Animal Science and Comparative Medicine. She moved back to the Netherlands in 2005, becoming the head of the Central Animal Laboratory and Professor in Laboratory Animal Science at the Radboud university medical center. She founded the 3R Research Center in 2006, and SYRCLE in 2012, after having started to work on systematic reviews of animal studies since 2008. Since the first of January 2017 her professorship is now named Evidence-Based Laboratory Animal Science because of the dedication to education and research in systematic reviews of animal studies together with her group SYRCLE.