The Irish Society of Medical Oncology (ISMO) is a professional organisation representing oncologists in Ireland. It is dedicated to advancing cancer care, research, and education while fostering collaboration among medical professionals. ISMO provides a platform for oncologists to share knowledge, engage in training, and contribute to the development of oncology in Ireland. The Society supports various initiatives aimed at professional development, including bursary awards for medical trainees and researchers in oncology. These awards, which are now held in collaboration with Cancer Trials Ireland, help support education and research in the field. ISMO also hosts annual training days and meetings, where oncologists present research and discuss advancements in cancer treatment. In addition to supporting research and education, ISMO promotes international collaboration. It has been involved in initiatives like the Ireland-US Cancer Collaboration, which connects Irish and American oncology professionals to explore research opportunities and technological advancements in cancer diagnosis and treatment. Through its various activities, ISMO plays a key role in the professional development of oncologists in Ireland, ensuring the continuous improvement of cancer treatment and research. By promoting education, collaboration, and inclusivity, the Society contributes to advancements in oncology both nationally and internationally.