| President Secretary |
Professor Eliezer Rabinovici Dr Fabiola Gianotti (Director-General) |
| Delegates | |
|---|---|
| Member States | |
| Austria | Professor Jochen Schieck H.E. Ms Désirée Schweitzer |
| Belgium | Dr Ir. Véronique Halloin Professor Dirk Ryckbosch |
| Bulgaria | Professor Leandar Litov H.E. Mr Yuri Sterk |
| Czech Republic | H.E. Mr Václav Bálek Professor Rupert Leitner |
| Denmark | Mr Gustav Egeberg Nielsen Professor Troels Christian Petersen |
| Estonia | Dr Mario Kadastik Dr Kairi Otto |
| Finland | Professor Katri Huitu Dr Ulrika Jakobsson |
| France | H.E. Mr Jérôme Bonnafont Dr François Jacq |
| Germany | Professor Klaus Desch Dr Volkmar Dietz |
| Greece | Professor Konstantinos Fountas (Vice-President) H.E. Mr Ioannis Ghikas |
| Hungary | Dr László Lengyel Professor Peter Levai |
| Israel | Professor Marek Karliner H.E.Mr Daniel Meron |
| Italy | H.E. Mr Vincenzo Grassi Professor Antonio Zoccoli |
| Netherlands | Professor Eric Laenen (Vice-President) Ms Mirjam Lieshout-Vijverberg |
| Norway | Professor Eivind Osnes Dr Pål Sørgaard |
| Poland | Dr Dariusz Drewniak Professor Tadeusz Lesiak |
| Portugal | Professor Mário Pimenta |
| Romania | Dr Florin Buzatu Ms Anca Ghinescu |
| Serbia | Professor Peter Adžić H.E. Mr Milan Milanović |
| Slovakia | H.E. Mr Dušan Matulay Professor Stanislav Tokár |
| Spain | Ms Inmaculada Figueroa Rojas H.E. Mr Marcos Gómez Martínez |
| Sweden | Professor Richard Brenner Dr Mathias Hamberg |
| Switzerland | Professor Florencia Canelli H.E. Mr Michael Gerber |
| United Kingdom | Dr Shabana Haque Professor Mark Thomson |
| Associate Member States in the pre-stage to Membership | |
| Cyprus | H.E. Ms Olympia Neocleous Professor Panos Razis |
| Slovenia | Dr Jure Gašparič Professor Danilo Zavrtanik |
| Associate Member States | |
| Brazil | H.E. Mr Tovar da Silva Nunes Professor Ricardo Galvão |
| Croatia | Dr Vuko Brigljević Mr Hrvoje Meštrić |
| India | Mr Sunil Ganju Professor Ajit Mohanty |
| Latvia | Mr Jānis Paiders H.E. Mr Ivars Pundurs |
| Lithuania | Dr Ramūnas Aleksiejūnas H.E. Mr Darius Staniulis |
| Pakistan | H.E. Mr Bilal Ahmad Dr Raja Ali Raza Anwar |
| Türkiye | Mr Ali Sezgin Işılak Dr Abdullah Buğrahan Karaveli |
| Ukraine | Professor Borys Grynyov Dr Yevhen Kudriavets |
| Ex officio | |
|---|---|
| Chair of the SPC | Dr Hugh Montgomery |
| Chair of the FC | Dr Laurent Salzarulo |
| Standing invitation | |
|---|---|
| Chair of ECFA | Professor Paris Sphicas |
| Observers upon invitation | |
|---|---|
| European Commission | |
| JINR | *status suspended as from 25 March 2022 |
| UNESCO | |
| Japan | |
| Russian Federation | *status suspended as from 8 March 2022 |
| United States of America | |