Der Einsatz von Armee, Polizei und Stadtwehr, Ende November 1918 bis August 1919.

[3] In 1990, Greminger joined the diplomatic service of the Federal Department of Foreign Affairs (FDFA).

After his posts in Bern, Tel Aviv, and Geneva, he held various senior positions within the FDFA, both domestically and abroad.

Greminger was selected over four other candidates: Štefan Füle (Czech Republic), Erlan Idrissov (Kazakhstan), Alena Kupchyna (Belarus), and Ilkka Kanerva (Finland).

In July 2020, Greminger's re-election was blocked, along with Harlem Désir (France), Representative on Freedom of the Media, Ingibjörg Sólrún Gísladóttir (Iceland), Director of the Office for Democratic Institutions and Human Rights (ODIHR), and Lamberto Zannier (Italy), High Commissioner on National Minorities.

His focus includes enhancing the GCSP's research and analysis capabilities and the establishment of informal dialogue platforms at regional and global levels.

[10] Examples include dialogues on geopolitical questions and strategic stability, particularly nuclear risks, as well as discussions between American and Russian experts on the Syrian conflict.

[11] Additionally, there are regional initiatives addressing security challenges in states outside NATO and the EU, such as conflict resolution in the Mediterranean and questions on co-operation in the Arctic.