Kristina Lerman Kristina Lerman is a Project Leader at the Information Sciences Institute, and holds a joint appointment as a Research Associate Professor in the USC Viterbi School of Engineering’s Computer Science Department. Her research applies graph theory and machine learning to problems in computational social science, including social network and social media analysis, information diffusion in networks, social voting and recommendation, and more recently, dynamics of cognitive performance. She is an active member of the social computing research community, as a chair (SocInfo’14, SocialCom’14, Hypertext’13) or senior PC (ICWSM, IJCAI) of leading conferences, and has organized several computational social science workshops.