| Since 2023 | Leibniz Universität Hannover and Physikalisch-Technische Bundesanstalt, Braunschweig, W3 Professor for Quantum Information Processing with Trapped Ions |
| Since 2017 | Osaka University, Graduate School of Engineering Science, Guest Professor |
| 2010-2022 | Leibniz Universität Hannover and Physikalisch-Technische Bundesanstalt, Braunschweig, W2 Professor for Experimental Quantum Optics |
| 2007-2010 | NIST Boulder, CO, USA, Guest Researcher in the group of David J. Wineland |
| 2002-2006 | Universität Hamburg, Dissertation "Fermi-Bose mixtures - From mean-field interactions to ultracold chemistry" in the group of Klaus Sengstock |
| 2000-2001 | Université de Fribourg, CH, Diplomarbeit "Measurement of the electric tensor polarizability of the 133Cs ground state" in the group of Antoine Weis |
| 1996-2001 | Rheinischen Friedrich Wilhelms-Universität Bonn, Physics (Diplom) |
