The Center for Statistics and the Social Sciences (CSSS) at the University of Washington was founded in July 1999. The year 2019 marked the 20th anniversary of CSSS. Since its inception, CSSS has continuously served a growing academic community through teaching and research at the interface between statistics and the social sciences. On May 23 and 24, 2019 CSSS hosted a conference open to everyone wanting to learn about state of the art quantitative methods in the social sciences. The event featured invited talks from several distinguished researchers playing a preeminent role in social science research. Graduate students from all the departments across the campus participated.