Pierpaolo Negri (State University of Maringá) – 2024 and 2025

María Alonso Bustamante (Universidad de Oviedo) – 2024

Marco Cosimo Scarcelli (Università degli Studi di Padova, Italy) – 2024

Tyla Stevenson (Victoria University of Wellington, Australia) – 2024

Douglas Farias Cordeiro (Universidade Federal de Goiás, Brazil) – 2023 and 2024

Lorenzo Sergi (Università degli Studi di Firenze, Italy) – 2022

Juliana Gulka (Universidade Federal de Santa Catarina, Brazil) – 2022

Tomislav Jakopec (University of Osijek, Croatia)  – 2021

Mauro Guintini (Universidade de Brasilia, Brazil) – 2020