Development Core Project Summary Fostering new research and supporting the development of early career scientists is the primary mission of the Development Core (DC). Key features of the Development Core include its weekly seminar series; an annual signature event to catalyze research at the intersection of demography, data innovation, and population disparities; planned and specific activities directed by chairs within each primary research area; a seed grant program for early career population scientists and high-risk, high-reward population dynamics research involving multiple investigators; and a summer grant writing workshop. The Development Core centers, coordinates, and catalyzes scientific innovations in two ways: first, by leveraging services and resources from other cores to create an interlocking system of support for intellectual interaction, interdisciplinary collaboration, new and innovative research initiatives, and the successful and intensive mentoring and professionalization of early career affiliates; and two, by providing significant seed grant resources and combined with intensive feedback for all grant proposals from inception to submission and resubmission. Development Core resources are prioritized for population scientists at UW and external affiliates based at research institutions not supported by a population research infrastructure grant. The cross-core linkages, added seed grant resources, and internal and external affiliate access, will be explained in the following description of the Development Core's services, resources, and activities.