The publishing and editorial teams would like to thank the following, for their invaluable service as 2021 reviewers for this journal. We are very grateful for the contributions made. With their help, the journal has been able to publish such high-quality articles:

• Agrawal, Ankush
• Akbar, Delwar
• Ashraf, Badar
• Bouri, Elie
• Broni Jnr., Frederick Edem
• Carnis, Laurent
• Comi, Simona Lorena
• Das, Varun
• Gałecka-Burdziak, Ewa
• Gold, Kafilah
• Graff, Tilman
• Gray, Tim
• Guneri, Barbaros
• Hodey, Louis
• Ida, Daisuke
• Joshua, Udi
• Kasaga, Hidefumi
• Kil, Hali
• Kobayashi, Tomio
• Kwok, Simon Sai Man
• Langle-Flores, Alfonso
• Lopresti, John
• Magacho, Guilherme
• Mccartney, Matthew
• Mimboe, Bernard
• Mohamad Azhar, Nur Azirah Zahida
• Mukti, Takdir
• Nguyen, Toan
• Nitza-Makowska, Agnieszka
• Paquin, Stéphane
• Phiri, Andrew
• Saifullah, Md. Khaled
• San Vicente Portes, Luis
• Sartorello Spinola, Danilo
• Senadza, Bernardin
• Sethi, Narayan
• Tansel, Aysit
• Tobal, Martin
• Turan, Taner
• Vaidya, Ranjan
• Vallejo, Bertha
• Verkoren, Willemijn
• Villanueva, Luis
• Wang, Shun
• Willesson, Magnus
• Yajima, Giuliano Toshiro