Stefanie is a post-doctoral researcher currently focusing on social media in scholarly communication and making sense of so-called "altmetrics". Her work is supported by the Alfred P. Sloan Foundation. Stefanie holds a Master’s degree in history, American linguistics and literature and information science and a PhD in information science from Heinrich Heine University Düsseldorf, Germany, where she is a visiting lecturer. She has previously worked as a bibliometric analyst at Science-Metrix in Montreal and at Forschungszentrum Jülich, Germany. She frequently presents at international conferences and has published in journals such as JASIST, Scientometrics, Journal of Informetrics and PLoS ONE.