Founder and project manager of the Department for Research and Information on Antisemitism in Berlin, the Germany´s first reporting center for antisemitic incidents in Berlin, founded in 2015.
- Founder and Executive Director of the Federal Association of Departments for Research and Information on Antisemitism (Bundesverbanb RIAS e.V.)
- Expert witness in proceedings against the right-wing extremist assassin of Halle on the question how the terrorist attack impacted Jewish communities in Germany
- Member of the expert group of the antisemitism contact person of the State of Berlin (since 2020)
- Author of the Handbook on the practical use of the IHRA Working Definition of Antisemitism