List of contributing reviewers 2021**
Retrieved August 30, 2021.
| Edgar A. Ruvalcaba-Gomez | J. Ignacio Criado | Theresa Pardo |
| Olga Abramova | Alex Ingrams | Erika Pearson |
| Deborah Agostino | Birgit Jæger | Manuel Pedro Rodríguez Bolívar |
| Michael Ahn | Tatiana Jereissati | Rik Peeters |
| Pertti Ahonen | Fredrik Karlsson | Llorenc Pons |
| Laura Alcaide Muñoz | Magdalena Karolak | J. Ramon Gil-Garcia |
| Maria Alexandra Cunha | Andrea Kavanaugh | Chris Reddick |
| Frank Bannister | Sobia Khurram | Juan Reis |
| Jonathan Bright | Douglas Kimemia | Scott Robertson |
| Kellyton Brito | Meelis Kitsing | Erna Ruijer |
| Peter Castenmiller | Hannu Larsson | Rodrigo Sandoval-Almazan |
| Wonhyuk Cho | Charles Leleux | Tino Schuppan |
| Heungsuk Choi | Mateusz Lewandowski | Kayla Schwoerer |
| Luciana Cingolani | Karl Lofgren | Mahmud Shareef |
| Amanda Clarke | Asdrubal Lopez Chau | Steven Sheetz |
| Amelia Compagni | Luis Luna-Reyes | Milene Silveira |
| Glyn Davis | Javiera Macaya | Stefan Stepanovic |
| Sharon Dawes | Jaume Magre | John Tedesco |
| Thiago Dias | Mercy Makpor | David Valle-Cruz |
| Bettina Distel | Auriane Marmier | José van Dijck |
| Larkin Dudley | Keegan McBride | Amy van Looy |
| Noella Edelmann | Morten Meyerhoff | Giancarlo Vecchi |
| Mary Feeney | Elareshi Mokhtar | Julián Villodre |
| Federica Fusi | Darren Mundy | Christine Williams |
| Alexandre Graeml | Giorgia Nesti | Maria Wimmer |
| Ariana Guevara-Gomez | Oliver Neumann | Clayton Wukich |
| Teresa Harrison | Edoardo Ongaro | Ussama Yaqub |
| Maarten Hillebrandt | Lucia Ortiz de Zarate | Nilay Yavuz |
| Vincent Homburg | Panos Panagiotopoulos | |
| Karen Hult | Esther Pano |
