- Enrique Paillas (StewardObservatory, University of Arizona, USA)
- Vasiliki Fragkou (Universidad Federal de Rio de Janeiro, Brasil)
- Luis Lomeli (Observatorio do Valongo, Universidade Federal do Rio de Janeiro, Brasil)
- Azadeh Fattahi (Oskar Klein Centre, Physics Department, Stockholm University, Suecia)
- Claudia Scóccola (Universidad de Chile, Santiago, Chile)
- Dante Minniti (Universidad Andrés Bello, Chile)
- Amaia Razquin Lizarraga (University of Graz, Institute of Physics, Graz, Austria)
- Sergio Paron (Instituto de Astronomía y Física del Espacio, Buenos Aires, Argentina)
- Andres Perez (Instituto Balseiro, Bariloche, Argentina)
- Lucas Macri (University of Texas Rio Grande Valley, USA)
- Serafina di Gioia (International Centre for Theoretical Physics, Trieste, Italia)
- Fabio Iocco (Università di Napoli “Federico II”, Napoles, Italia)