| Arnaldo Naves de Brito | Túlio Costa Rizuti da Rocha |
| IFGW-UNICAMP, Brazil | LNLS-CNPEM, Brazil |
Conference Co-Chairs
International Science Committee
President
| Simone Techert | Deutsches Elektronen-Synchrotron, Germany |
VUVX-23 board
| Jens Viefhaus | Helmholtz-Zentrum Berlin, Germany |
| Mark Vrakking | Max Born Institute, Germany |
| David Prendergast | Lawrence Berkeley National Laboratory, USA |
Honorary members
| Jean-Pierre Briand | France |
| Keith Codling | UK |
| Ulrik Gelius | Sweden |
| Christof Kunz | Germany |
| Frank Larkins | Australia |
| Bernd Sonntag | Germany |
| Jonathan West | UK |
Regular Members
| Lucia Aballe | ALBA Synchrotron, Spain |
| Elke Arenhoz | CHESS, USA |
| Silke Biermann | Ecole Polytechnique, France |
| Paola Bolognesi | CNR-ISM, Italy |
| John Bozek | Synchrotron SOLEIL, France |
| Arnaldo Naves de Brito | UNICAMP, Brazil |
| Jinghua Guo | ALS-LBNL, USA |
| Shangjr Gwo | National Synchrotron Radiation Research Center, Taiwan |
| Yoshihisa Harada | University of Tokyo, Japan |
| Akiyoshi Hishikawa | Nagoya University, Japan |
| Satoshi Kera | Institute for Molecular Science, Japan |
| Michael Meyer | Deutsches Elektronen-Synchrotron, Germany |
| Dipankar Das Sarma | Indian Institute of Science Bangalore, India |
| Thorsten Schmitt | Paul Scherrer Institute, Switzerland |
| Marc Simon | CNRS, France |
| Stacey Sorensen | Lund University, Sweden |
| Albert Stolow | University of Ottawa, Canada |
| Han-Woong Yeom |
Pohang University of Science and Technology, Korea |
Local Science Committee
| Miguel Abbate | UFPR – Brazil |
| Cris Adriano | UNICAMP – Brazil |
| Eduardo Granado | UNICAMP – Brazil |
| Alexsandre Lago | UFABC – Brazil |
| Alexandra Mocellin | UnB – Brazil |
| Thiago Mori | LNLS – Brazil |
| Pedro Nascente | UFSCar – Brazil |
| Rogerio Paniago | UFMG – Brazil |
| Frederico Prudente | UFBa – Brazil |
| Maria Luiza Rocco | UFRJ – Brazil |
| Abner de Siervo | UNICAMP-Brazil |
| Wendell Sim̵es e Silva | LNLS РBrazil |
| Cassia Turci | UFRJ – Brazil |
| Marcio Varella | USP – Brazil |
| Flávio Vincentin | LNLS – Brazil |
Local Organizing Committee
| Amanda Kokol | CNPEM, Brazil |
| Ariane Almeida | CNPEM, Brazil |
| Dora Marques | CNPEM, Brazil |
| Giovanna Nogueira | CNPEM, Brazil |
| LetÃcia Carvalho Loyola | CNPEM, Brazil |
| Murilo Oliveira | CNPEM, Brazil |
| Priscila Alves | CNPEM, Brazil |