Christian H. Schiller graduated from the Technical University of Ilmenau, Germany, receiving his M. Sc. in Technical Physics in 2018. As part of his master's program, he spent one year studying Technical Physics at Umeå University in Sweden. After completing his master's thesis, which involved investigating the internal resistance of a sodium-ion battery using electrochemical impedance spectroscopy, he gained experience as an Engineer in Interconnection Technology at Fraunhofer ISE. Since 2020, Christian H. Schiller has been working as a Research Associate and Project Manager for Interconnection Technologies for Battery Cells at Fraunhofer ISE.