The 54th Annual Scientific Meeting of the International Society for Experimental Hematology (ISEH 2025) was held from September 24–27, 2025, in Kumamoto, Japan. As one of the most prestigious international conferences in the field of hematology, this year’s meeting gathered leading experts from around the world to engage in in-depth discussions on the latest advances in basic hematology, immunology, stem cell research, and cell and gene therapy. During the conference, Oncology Frontier – Hematology Frontier had the privilege of interviewing Professor Toshio Suda, former President of ISEH and Distinguished Professor at Peking Union Medical College, who shared his insights on the major highlights of the meeting and the latest developments in stem cell research.