The President of the Republic of Austria, Alexander Van der Bellen, and his delegation visited CERN on 27 February 2018. Upon his arrival, the President was welcomed by Fabiola Gianotti, CERN Director-General, Eckhard Elsen, Director for Research and Computing, Charlotte Warakaulle, Director for International Relations, Manfred Krammer, EP Department Head and Management Liaison for Austria, Pippa Wells, Head of Member State Relations, Friedemann Eder, CERN Austrian Circle Spokesperson and Stephanie Molinari, Chief of Protocol. The President visited the CMS experiment, the LHC tunnel, the ASACUSA and AEgIS facilities and the Globe of Science and Innovation. He also attended a round table with a selection of young Austrian scientists.

On 26 February, the Governor-General of the Commonwealth of Australia, Peter Cosgrove, and his delegation were welcomed at CERN by Fabiola Gianotti, CERN Director-General, Eckhard Elsen, Director for Research and Computing, Emmanuel Tsesmelis, Head of Associate Member and Non-Member State Relations, and Geoffrey Taylor, National Contact Physicist. The Governor-General visited the ATLAS control room and the underground experiment area, as well as the LHC tunnel.

The President of the Republic of Mozambique, Filipe Nyusi, and his delegation were welcomed on 26 February 2018 by Eckhard Elsen, Director for Research and Computing. President Nyusi visited the ATLAS control room and the underground experiment area, as well as the LHC tunnel. He also signed the CERN guest book.