Georgia Koutentaki, MEng, is a chemical engineer from Greece. She works as a data steward for STEM fields at the National Repository Platform in Czechia, operated by the Faculty of Information Technology (FIT) at the Czech Technical University in Prague (CTU), and is a member of the Data Stewardship Support Team at the University of Chemistry and Technology, Prague (UCT Prague). She is the international coordinator of the Czech Data Stewards Community and the founder of the STEM Data Stewards subcommunity. She is also an artist and is currently completing her doctoral studies at UCT Prague.

Jan Vališ, MSc, is a Czech analytical chemist at the University of Chemistry and Technology, Prague (UCT Prague), where he develops diagnostic tools combining spectroscopy and machine learning. He is also a faculty data steward at UCT Prague and an institutional data steward at the Institute of Macromolecular Chemistry of the Czech Academy of Sciences (CAS). In addition, he provides methodological support and consultations on research data management and open science as part of the NCIP VaVaI project at the National Library of Technology.