2021-present

Research Professor, Alfréd Rényi Institute of Mathematics, Number Theory Divison

2011-present

Adjunct Professor, Budapest Semesters in Mathematics

2013-2019

Adjunct Professor, Central European University, Department of Mathematics and its Applications

2012-2020

Research Advisor, Alfréd Rényi Institute of Mathematics, Number Theory Divison

2008-2012

Senior Research Fellow, Alfréd Rényi Institute of Mathematics, Number Theory Divison

2007-2013

Adjunct Lecturer, Central European University, Department of Mathematics and its Applications

2006-2008

Research Fellow, Alfréd Rényi Institute of Mathematics, Number Theory Divison

2003-2006

Instructor, The University of Texas at Austin, Department of Mathematics

1999-2003

Teaching Assistant, Princeton University, Department of Mathematics

1996-1997

Teaching Assistant, University of Illinois at Urbana-Champaign, Department of Mathematics

1993-1996

Teaching Assistant, Eötvös Loránd University, Faculty of Science, Department of Algebra and Number Theory

1992-1996

Teaching Assistant, Budapest University of Technology and Economics, Faculty of Electrical Engineering, Department of Mathematics