Hehuang "David" Xie graduated from the University of Iowa with Ph.D. in genetics and a master degree in computer science in 2003. After his graduate studies, Dr. Xie received his postdoctoral training in the field of bioinformatics at The University of Iowa and The University of Minnesota. In 2005, Dr. Xie joined the Cancer Biology and Epigenomics Program, Children’s Memorial Research Center; Department of Pediatrics, Northwestern University as a research faculty. Currently, Dr. Xie is an associate professor at the Biocomplexity Institute of Virginia Tech.