Since Jan. 2015, in addition, he has been serving as a program director at National Science Foundation (NSF), co-managing the SFS and SaTC-EDU programs of the yearly budget of $40M. He obtained his Ph.D. in Computer Science from UCLA in 2002. With the research interests in data science, social computing, and human computation, he has (co-)authored over 130+ scholarly articles that have appeared in selective publication outlets. He has given tutorials at WWW, ICDE, CIKM, SBBD, DASFAA, served in TPC of major data science venues such as SIGMOD, VLDB, ICDE, KDD, ICDM, AAAI, IJCAI, WWW, and is currently serving as an associate editor of the VLDB J. Further details of his research can be found at: http://pike.psu.edu/dongwon/ .