This joint session marks the collaboration between the Korean Society for Biochemistry and Molecular Biology (KSBMB) and the Japanese Biochemistry Society (JBS), focused on exploring lipidomics technology for insights into cellular and systemic lipid metabolism. Demonstrating a shared commitment to scientific excellence and cross-cultural exchange, this collaboration aims to foster groundbreaking discoveries and strengthen ties between our scientific communities. The session will feature discussions led by leading experts from Japan and Korea, presenting recent work and delving into the latest advancements in lipidomics technology and its role in understanding lipid metabolism.