How do journal editors affect what papers and which authors get published? The research presented in the proposed presentation builds on a novel dataset that provides coverage of all journal editors across the full ecosystem of social science journals. This enables the authors to investigate the variation in how editors affect the publication process across the journal hierarchy, and across types of journals. In addition to the unique data, the authors take advantages in the computational social sciences to develop a state-of-the-art methodology for evaluating the role of editors in shaping publications and the evolution of science.