The AACR Integrative Molecular Epidemiology Workshop, held July 20-25, 2025 in Philadelphia, is a week-long program aimed at early-career researchers in molecular cancer epidemiology. It bridges genetics, molecular markers, exposures, and advanced methods, fostering interdisciplinary collaboration. Participants gain hands-on experience in study design, omics integration, and epidemiological methods, focusing on reproducibility and health equity. The workshop, directed by Peter Kraft, Elizabeth A. Platz, Sophia H. L. George, and Shelley S. Tworoger, has trained over 400 researchers and receives positive feedback for its collaborative atmosphere and practical learning.