The lawyer and teacher is a social law expert and professor at the Catholic School of Social Welfare in Berlin. Since 2013, he has held the position of, Chairman of the Supervisory Board of RRI gGmbH.

Johannes Kahrs has sat for many years for the constituency of Hamburg-Mitte in the German Bundestag. He is a spokesman for Seeheimer Kreis and budget spokesman for the SPD parliamentary group. Johannes Kahrs has been a member of the Supervisory Board of RRI gGmbH since 2013.

The defense expert has been a member of the Supervisory Board of RRI gGmbH since 2013. As a member of the German Bundestag, he was chairman of the defense committee and defense commissioner. Reinhold Robbe is Honorary Consul of the Republic of Rwanda.