Christopher C. Yang is an associate professor in the College of Computing and Informatics and holds a courtesy appointment in the School of Biomedical Engineering, Science, and Health Systems at Drexel University. In his recent work on healthcare informatics and security informatics, he is closely collaborating with USC Keck School of Medicine, UCSF School of Medicine, Marshfield Clinic Research Institute, the Children's Hospital of Philadelphia, UPenn Medical School, and Johnson & Johnson. Actonnect, one of his collaboration with Marshfield Clinic Research Institute, University of Wisconsin at Madison, and a couple other institutions, has won the first place of conceptual model in the PCORI Patient-Research Matching Challenge in 2013. Actonnect is a web-based search engine and interface that aims to enable patients, clinicians, researchers, and others to conduct searches of health information gleaned from dozens of patient forums and social media sites and share their results graphically. His work has been supported by National Science Foundation, National Institutes of Health, Pennsylvania Department of Health, Children's Hospital of Philadelphia, Institute of Museum and Library Services, Hong Kong Research Grant Council, Hong Kong Innovation and Technology Fund, and Hong Kong SAR Government.