Hai Hu is senior director of Biomedical Informatics and senior staff scientist at Windber Research Institute, Pennsylvania. He is former group leader/senior bioinformatics scientist at AxCell Biosciences and member of the adjunct faculty of Widener University, Chester, Pennsylvania. He earned his Ph.D. in biophysics at the State University of New York at Buffalo.Michael Liebman is chief scientific officer at Windber Research Institute, Pennsylvania. He previously served as director, biomedical informatics at the Abramson Cancer Center, University of Pennsylvania, and as adjunct professor at the University of Pennsylvania, Northwestern University, and Loyola University Medical School. He received his Ph.D. in physical chemistry from Michigan State University.