Research FociAlgorithms and Data Structures, in particular for geometry-related problemsAlgorithm Engineering, in particular I/O- and cache-efficiencyComputer Science Education, in particular (mis)conceptions and lower secondary education
CVAcademic Education01.2000 – 01.2004Postdoctoral lecturer qualification in Computer Science (WWU Münster)05.1996 – 12.1999Graduate studies in Computer Science (WWU Münster)10.1992 – 04.1996Undergraduate studies in Mathematics, Computer Science, Classical Philology, and Educational Sciences (WWU Münster)Positionssince 03.2012Full Professor of Computer Science (University of Münster)09.2006 – 02.2012Associate Professor of Computer Science (TU Dortmund)03.2000 – 08.2006Research Associate at the Department of Computer Science (WWU Münster)10.2002 – 09.2003Visiting professor (Universität Siegen)10.2001 – 03.2002Visiting professor (UMIT Innsbruck)05.1996 – 02.2000Research assistant at the Department of Computer Science (WWU Münster)External Functionssince 2024Informatics Europe (Board of Directors, Member)since 2024German Informatics Society (Board, Member)since 2024German Informatics Society (Special Interest Group on Computer Science Education, Speaker)2024Schloss Dagstuhl – Leibniz-Zentrum für Informatik GmbH (Dagstuhl-Seminar 24251 (Teaching Support Systems for Formal Foundations of Computer Science), Co-Organizer)since 2023TeachAI.org (Advisory Committee, Member)since 2021MINT-Vernetzungsstelle, Stifterverband der deutschen Wirtschaft (Scientific Advisory Board, Member)2021 – 2024TrainDL (Scientific Advisory Board, Member)2021 – 2023German Informatics Society (Special Interest Group on Computer Science Education, Vice-Speaker)202218th ACM International Computing Education Research Conference (ICER 2022) (Program Committee, Co-Chair)202117th ACM International Computing Education Research Conference (ICER 2021) (Program Committee, Co-Chair)2019Schloss Dagstuhl – Leibniz-Zentrum für Informatik GmbH (Dagstuhl Seminar 19281 “Notional Machines and Programming Language Semantics in Education”, Co-Organizer)2019Association for Computing Machinery (ACM Intel International Science and Engineering Fair Award, Jury Chair)2018ACM SIGCSE Doctoral Consortium (Co-Chair)since 2018ACM Inroads (Associate Editor)since 2018Computer Science Education (Co-Editor-in-Chief)2017ACM SIGCSE Doctoral Consortium (Co-Chair)2017Informatics Europe (Infomatics Europe Best Practice in Education Award, Jury Chair)201611th Workshop in Primary and Secondary Computing Education (WiPSCE 2016) (Program Committee, Co-Chair and General Chair)2016Schloss Dagstuhl – Leibniz-Zentrum für Informatik GmbH (Dagstuhl-Seminar 16072 “Assessing Learning in Introductory Computer Science”, Co-Organizer)201510th Workshop in Primary and Secondary Computing Education (WiPCSE 2015) (Program Committee, Co-Chair)20158th Conference on Informatics in Secondary Schools (ISSEP 2015) (Program Committee, Co-Chair)201026th European Workshop on Computational Geometry (EuroCG 2010) (Program Committee, Chair and General Chair)20104th Conference on Informatics in Secondary Schools (ISSEP 2010) (Program Committee, Co-Chair)20098th Symposium on Experimental Algorithms (SEA 2009) (Program Committee, Chair and General Chair)since 2009Journal of Computational Geometry (Associate Editor)20051st Workshop on Massive Geometric Data Sets (MASSIVE 2005) (Program Committee, Co-Chair)