Meeyoung Cha is an associate professor at Graduate School of Culture Technology in KAIST. Meeyoung received a Ph.D. degree in Computer Science from KAIST in 2008. Previously, she was a post-doctral researcher at Max Planck Institute for Software Systems in Germany. Her research interests are in the analysis of large-scale online social networks with emphasis the spread of information, moods, and user influence. Her research has been published in leading journals and conferences including PLoS One, Information Sciences, WWW, and ICWSM, and has been featured at the popular media outlets including the New York Times websites, Harvard Business Review's research blog, the Washington Post, the New Scientist.