The RFS-NBER Conference on Big Data: Long-Term Implications for Financial Markets and Firms took place March 8, 2019. Pictured are the conference organizers and host: Chester Spatt (Carnegie Mellon), RFS Executive Editor Itay Goldstein (University of Pennsylvania), NBER President James Poterba (MIT), and Mao Ye (University of Illinois Urbana-Champaign).