1-Postdoctoral Researcher, 2019-2020. Hong Kong University of Science and Technology.\r\n-Developing lithium-ion batteries for Yinlong Electric vehicles Co.\n\n2-Assistant Professor, Department of Mechanical Power Engineering, Assiut University, Egypt. 2020-2022\r\n-Lecturing to undergraduate and postgraduate students.\r\n-Making new course(s), exams, etc.\r\n-Doing academic administrative work.\r\n-Founded a research group (2 PG students) working on electrochemical energy technologies (lithium batteries, electrolyzers for H2 production).\n\n3-Adjunct Assistant Professor, Egypt-Japan University of Science and Technology, Ocr.2020-March 2021.\r\n-Lecturing to undergraduate and postgraduate students.\r\n-Supervising graduation project of final year undergraduate students.\n\n4-Postdoctoral Researcher, Argonne National Laboratory, United Stated. Sept. 2022-Present.\r\n-Doing electrochemical modeling and simulation research on lithium-ion batteries and lead-acid batteries.\r\n-The work involves the design of thermal management systems, fundamental modeling of electrochemical processes, and design for optimal electrode utilization.\n\n