Assoc. Prof. Dr. Yılser Devrim and Res. Asst. Arife Uzundurukan attended to 4th International Hydrogen Technologies Congress (IHTEC-2019) and present their study with title of: Investigation of Compression Pressure Distribution of Proton Change Membrane Fuel Cell, Development of Liquid Fuel-Based Fuel Cell for Air-Independent Drive Systems, Design, Manufacturing and Testing of High Temperature PEM Fuel Cell Stack In addition, our faculty member Assoc. Prof. Dr. Yılser Devrim was the chair of Borohydride Fuel Cells-1 Session. We would like to congratulate our faculty member and research assistant for their success.