The mRNA Cancer Vaccine Summit 2023 came to Boston with the community on the cusp of something truly exciting. This was the first and only forum dedicated to showcasing mRNA cancer vaccine technology advances, translational insights and critical clinical updates from the global leaders working towards effective harnessing of neoantigens and developing successful tailor-made mRNA cancer vaccines. Attendees were united with mRNA cancer vaccine, oncology and immune-oncology leaders, staying up to date about these innovative cancer therapies. With individualized neoantigen therapies showing critical promise in the clinic, neoantigen leaders united to exhibit a whole-day dedicated to neoantigen discovery and identification, towards optimized discovery and development of personalized cancer vaccines to differentiate and fast track your pipelines.