About me

since 2011	Professor for Mathematics Education, Ludwig-Maximilians-Universität München, Germany
2010-2011	Professor for Mathematics Education, Leibniz Institute for Science and Mathematics Education, Kiel, Germany
2009-2010	Researcher (Assistent), Heinz-Nixdorf Chair of Mathematics Education, TU München, Germany
2006-2009	Researcher (Assistent), Chair of Mathematics Education, Ludwig-Maximilians-Universität München, Germany
2004-2006	In-service teacher training for secondary school teachers (mathematics, physics)
2002-2004	Dissertation Braided Hopf algebras of triangular type under the supervision of Prof. Dr. Hans-Jürgen Schneider
1996-2002	Studies of mathematics, physics and education, Ludwig-Maximilians-Universität München Degrees: 2001 Diploma in mathematics 2002 Exam for secondary school teachers

Scientific functions and activities

Journal of Educational Psychology (JEP), Associate Editor 2026-2027
Educational Research Review, Editorial Board Member since 2023
Learning and Instruction, Associate Editor 2019-2022, Editorial Board Member since 2023
Member of the Advisory Committee of the Gesellschaft für Didaktik der Mathematik (GDM) since 2022
Editor Journal für Mathematikdidaktik (JMD) 2024-2026, managing editor since 2025
Member of the Scientific Advisory Committee of the Journal für Mathematikdidaktik (JMD) 2018-2023
Member of the Scientific Board des Munich Center of the Learning Sciences (MCLS) seit 2011
Head of the Versammlung der Mathematikdidaktikerinnen und Mathematikdidaktiker an bayerischen Universitäten 2015-2021
Member of the International Committee (IC) of the International Group for the Psychology of Mathematics Education (IGPME) 2011-2015
Secretary of IGPME 2012-2013
Vice President of IGPME 2013-2015

Member of the International Group for the Psychology of Mathematics Education (PME)
Member of the Society of Didactics of Mathematics (Gesellschaft für Didaktik der Mathematik, GDM)
Member of the Association for Empirical Education Research (Gesellschaft für empirische Bildungsforschung, GEBF)
Member of the Group for Empirical Educational Research (Arbeitsgemeinschaft für Empirische Pädagogische Forschung, AEPF)
Member of the European Association for Research in Learning and Instruction (EARLI)
Member of the Munich Center of the Learning Sciences (MCLS)
Member of the German Association of Mathematicians (Deutschen Mathematiker-Vereinigung, DMV)