International Association for the Study of Lung Cancer (IASLC) is committed to the challenges to ensure that optimal care of patients with thoracic malignancies is ensured all over the world. Members, volunteers, and staff of the IASLC have worked diligently to accomplish the goals of the strategic plan and fulfill the mission of the society. Within this annual report one can find details on the organizational structure, membership, fellowships, education activities, publications, awards, meetings, the strategic plan, advocacy partners and sponsors.