Jackie Ashkin is a PhD researcher at the Centre for Science and Technology Studies (CWTS), Leiden University. She is part of the ERC project FluidKnowledge and the Science and Evaluation Studies research group, both led by Prof. Dr. Sarah de Rijcke. Her research examines the role of valuation practices in knowledge production in European ocean science through an ethnographic lens. She received her M.A. in Social Anthropology at the University of St Andrews, Scotland, in 2018.