William's research eorts centrally focus on systems security, addressing challenges in smartphones and mobile applications, operating systems, cloud services, telecommunications, and hardware architectures. In particular, his work in mobile application security has led to significant consumer awareness and changes within the space. William was awarded the National Science Foundation CAREER Award and has served on program committees for top conferences in security such as ACM CCS, IEEE Security and Privacy, NDSS, and USENIX Security. Prior joining North Carolina State University, William earned his Ph.D., M.S., and B.S in Computer Science and Engineering from the Pennsylvania State University in 2011, 2006, and 2004, respectively. William is a member of the ACM, IEEE, ISSA, and USENIX.