Christian Masquelier is Professor of Chemistry at LRCS Laboratory in Université de Picardie Jules Verne, France. He has been working for ~30 years on the crystal solid electrolytes and positive electrode materials for Li-ion and Na-ion batteries, in particular on operando X-ray or neutron diffraction of phosphate-containing positive electrodes. He is the co-author of ~170 publications and 15 international patents in this field. He is presently co-Director of the ALISTORE European Research Institute and head of MESC+ “Materials for Energy Storage and Conversion”, an ERASMUS MUNDUS European Joint Master Degree. Since 2020, he is the Coordinator of the European Marie Curie PhD-COFUND project DESTINY which trains 50 PhD students in Europe on advanced batteries

Ivana Hasa is Assistant Professor of Electrochemical Materials in WMG at the University of Warwick (UK).  Over the last ten years she gained broad experience in electrochemical energy storage systems during her appointments at Sapienza University of Rome (Italy), the Lawrence Berkeley National Laboratory (California, USA) and at the Helmholtz Institute Ulm (Germany). Her research activities are directed towards the understanding of the processes governing sodium-ion batteries and the development and scale up of new battery chemistries from concept to full proven cell prototypes.

Jürgen Janek is professor for physical chemistry at Justus-Liebig-University in Gießen/Germany, director of the Center for Materials Research and scientific director of the BELLA laboratory at KIT/Germany. He coordinates the German BMBF cluster of competence for solid state batteries and is member of the excellence cluster “Post-Lithium Storage” (POLIS) at Karlsruhe/Ulm. He is member of the Leopoldina and holds an honorary doctorate at TU Delft for his work in energy storage. His is an expert in electrochemistry and Solid state ionics. His main research interests are electrode phenomena, transport in solid electrolytes and mixed conductors as well as solid state reactions. His battery activities include research on lithium ion batteries as well as post-lithium cells and solid-state batteries. One of his long-term interest is the kinetics of parent metal electrodes on solid electrolytes.

Magda Titirici is a Prof. of Sustainable Energy Materials in the Department of Chemical Engineering at Imperial College London and a RAEng Chair in Emerging Technologies. Her research is on developing sustainable materials for energy storage and conversion technologies including battery chemistries beyond Li-ion as well as single and dual atom sites electrocatalysts for different reactions such as Oxygen Reduction Reaction or Biomass Electrooxidation. She serves as the president elect of the Materials Chemistry Division within the Royal Society of Chemistry.

Matteo Bianchini obtained his Ph.D. in France (2015) with Prof. Masquelier (LRCS, Amiens), Dr. Croguennec (ICMCB, Bordeaux), and Dr. Suard (ILL, Grenoble) for operando diffraction studies on battery electrode materials. He was then a postdoctoral fellow in the group of Prof. Ceder (LBNL, Berkeley) and at the Battery and Electrochemistry Laboratory BELLA (KIT, Karlsruhe), under the supervision of Prof. Janek and Dr. Brezesinski. He later joined BASF and was lab team leader for BELLA, where the team focused on Ni-rich cathode active materials and solid-state batteries. From 09/2021, Matteo is full professor at the University of Bayreuth. He holds the chair of Inorganic Active Materials for Electrochemical Energy Storage and is associated with the Bavarian Center for Battery Technology BayBatt. His group investigates electrode materials for Li-ion and Na-ion batteries, solid-state electrolytes, and develops methods for in situ structural characterization.

Montse Galceran Mestres leads the research line manager of Sodium-ion batteries at CIC energiGUNE. Her research focuses on understanding and developing new, low-cost, and sustainable electrode materials for the next generation of intercalation systems for energy storage. By seeking to understand material properties through multi-technique approaches, she combines material development with wide range of characterisations techniques in order to achieve application-targeted tailored optimisation.

Shinichi Komaba is a professor in the department of applied chemistry at Tokyo University of Science. His current research focuses on materials science for applications in Li-, Na-, and K-ion batteries, biofuel cells, capacitors, and sensors. He was selected as one of Highly Cited Researchers in 2019, 2020, and 2021.

Stefano Passerini is Professor at the Karlsruhe Institute of Technology, Helmholtz Institute Ulm. His research activities are focused on electrochemical energy storage with special focus on improving the sustainability of high‐energy batteries.

Teófilo Rojo has been Full Professor of Inorganic Chemistry at the University of the Basque Country (UPV-EHU) since 1992. His research is focused on Energy Storage Systems (batteries and supercapacitors). From 2010 to 2020, he has been the Scientific Director of the CIC energiGUNE. He was awarded with the National Prize in Inorganic Chemistry by the RSEQ in 2013. He was appointed as an Academic Member of the Royal Spanish Academy of Exacts, Physical and Natural Sciences in 2015. He was a Member of the Executive Committee of the Division of Solid-State Chemistry and Materials (DSSMC) from EuCheMS (2014-2016) and in 2016, he was appointed as a Member of the Chemistry and Energy of EuCheMS (European Chemical Science).

Wolfgang Zeier received his doctorate in Inorganic Chemistry in 2013 from the University of Mainz. After postdoctoral stays at the University of Southern California, the California Institute of Technology, and Northwestern University, he was appointed group leader at the University of Giessen, within the framework of an Emmy-Noether research group. Since 2020 he holds a professorship for Inorganic Chemistry at the University of Münster. In addition, he heads a department at the Helmholtz-Institute Münster, Ionics in Energy Storage. His research interests encompass the fundamental structure-to-property relationships in solids, with a focus on thermoelectric and ion-conducting materials, as well as solid-solid interfacial chemistry for all-solid-state batteries.