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:
| Abderhalden, Frances |
| Aiello, Michael |
| Aiello, Michael |
| Antrobus, Emma |
| Archbold, Carol |
| Arcos, Rubén |
| Aristovnik, Aleksander |
| Baldwin, Simon |
| Bartholomew, Brad |
| Basinska, Beata |
| Becker, Laurie |
| Benton, Mark |
| Bishop, Patrick |
| Bishopp, Stephen |
| Bishopp, Stephen |
| Blais, Etienne |
| Boateng, Francis |
| Bowen, Kendra |
| Braga, Anthony |
| Brown, Ben |
| Brown, Dr. James |
| Brown, Robert |
| Buehler , Anjali J. |
| Bugg, David |
| Choi, Jaeyong |
| Clark-Darby, Oliver |
| Connell, Nadine |
| Copenhaver, Allen |
| Cordner, Gary |
| Cruz, Fernanda |
| Cubas, Viviane de |
| Cubitt, Timothy |
| Dammert, Lucia |
| Dario, Lisa |
| Dawson, Akiv |
| De Angelis, Joseph |
| Denney, Andrew |
| Devlin, Deanna |
| Dobrin, Adam |
| Domingues, Ivo |
| Donner, Christopher |
| Drew, Jacqueline |
| Emeriau-Farges, Clémence |
| Farrell, Amanda |
| Ferguson, Lorna |
| Fleischmann, Matthew |
| Frank, James |
| Garcia-Buades, Maria Esther |
| Garland, Brett |
| Gau, Jacinta |
| Gaub, Janne |
| Gibbs, Jennifer |
| Giblin, Matthew |
| Glendinning, Anthony |
| Goodison, Sean |
| Graham, Amanda |
| Grant, Heath |
| Haberfeld, Maria |
| Hansson, Jonas |
| Harris, Christopher |
| Henson, Abigail |
| Herrmann, Alexander |
| Hill, Milt |
| Hinkle, Karlie |
| Holloway, Chloe |
| Houdmont, Jonathan |
| Hsieh, Ming-Li |
| Hu, Xiaochen |
| Huang, Ching-Yu |
| Huey, Laura |
| Hutson, Turea |
| Isaza, Gabrielle |
| Jaynes, Chae |
| Jones, Chenelle |
| Jones, David |
| Jonson, Cheryl |
| Kane, Robert |
| Khey, Dave |
| King, William |
| Klahm, Charles |
| Kleinig, John |
| Koen, Marthinus |
| Kringen, Jonathan |
| Kutnjak Ivkovich, Sanja |
| Lambert, Eric |
| Lawrence, Daniel |
| Lee, Murray |
| Lee, Soohyoung |
| Lee, Teriin |
| Li, Luye |
| Lotta, Gabriela |
| Lowrey-Kinberg, Belen |
| Lum, Cynthia |
| Maguire, Edward |
| Makin, David |
| Manassero Mas, Maria Antonia |
| Martinez, Ramiro |
| Maskály, Jon |
| Mateo, Manel |
| Matusiak, Matthew |
| Maurya, Mahesh |
| McCluskey, John |
| Mcdowall, Almuth |
| McEwen, Tom |
| McNamara, Robert |
| Mellinger, Hillary |
| Mesko, Gorazd |
| Miller Gialopsos, Brooke |
| Molsberry, Rebecca |
| Morabito, Melissa |
| Moreto, William |
| Mulvey, Philip |
| Murray, Sarah |
| Nader, Elias |
| Newstead, Stuart |
| Nix, Christine |
| Novak, Kenneth |
| Nowacki, Jeffrey |
| O'Connor, Christopher |
| O'Neill, Dawn |
| Oehme, Karen |
| Orosco, Carlena |
| Orrick, Erin |
| Padilla, Kathleen |
| Paoline, Eugene A |
| Paradela, Miguel |
| Parent, Rick |
| Parry, Megan |
| Patten, Ryan |
| Patterson, George |
| Patterson, Silas |
| Peck, Jennifer |
| Penn, Everette |
| Perez F., Lorena R. |
| Petersen, Kevin |
| Pezzella, Frank |
| Pollock, Wendi |
| Porter, Louise |
| Prieto, Greg |
| Pusey, Kelly |
| Reckdenwald, Amy |
| Reynolds, Paul |
| Riccio, Vicente |
| Rockwell, Alexis |
| Rojek, Jeff |
| Rossler, Michael |
| Rossmo, D. Kim |
| Rui-Hsin, Kao |
| Sahin, Nusret |
| Schafer, Joseph |
| Scott, Thomas |
| Semple, Tori |
| Shalev-Greene, Karen |
| Shernock, Stanley |
| Shjarback, John |
| Sidebottom, Aiden |
| Silver, Jasmine |
| Simpson, Rylan |
| Singletary, Gilbert |
| Smith, Richard |
| Snyder, Jamie |
| Sousa, William |
| Steege, Andrea |
| Taniguchi, Travis |
| Tankebe, Justice |
| Telep, Cody |
| Terrill, William |
| Thomas, Stuart |
| Timmer, Jaap |
| Todak, Natalie |
| Trinkner, Rick |
| Tyler, David |
| Tyler, Tom |
| van Steden, Ronald |
| VerPlanck, Joy |
| Wallace, Danielle |
| Wang, Chun-yuan |
| Wang, Shun-Yung Kevin |
| Watts, J. Harrison |
| Weiler, Thorsten |
| Weitzer, Ronald |
| Wellford, Charles |
| Westmarland, Louise |
| Whelan, Chad |
| White, David |
| Wolfe, Scott |
| Worrall, John |
| Wu, Yuning |
| Yang, Li-Ren |
| Zhao, Jihong |