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:
- Abd-El-Salam, Eman
- Abdullah, Zulhamri
- Abhishek, Abhishek
- Abrar, Muhammad
- Abu Elsamen, Amjad
- Abubakar, A. Mohammed
- Acikgoz, Fulya
- Addae, John
- Agrawal, Rajat
- Agrawal, Rajat
- Agrawal, Vipin
- Ahmad, Rizal
- Ahmadi, Zahra
- Ahn, Yongkil
- Akroush, Mamoun
- Aksoy, Şafak
- Akturan, Ulun
- Aljukhadar, Muhammad
- Alnawas, Ibrahim
- Alteren, Gro
- Altintas, Murat
- Alvarez, Maria Dolores
- Amoako, George
- Anandya, Dudi
- Andrade, Josmar
- Ang, Tyson
- Araghi, Nakisa
- Arenas-Gaitán, Jorge
- Arli, Denni
- Arli, Denni
- Attia, Samaa
- Atulkar, Sunil
- Aw, Eugene
- Bacconi Gonçalves, Eric
- Baisya, Rajat
- Bakpayev, Marat
- Bakshi, Raj Deep
- Bakshi, Madhupa
- Bandyopadhyay, Chinmoy
- Banerjee, Neelotpaul
- Banerjee, Subhojit
- Banerji, Diptiman
- Basil, Michael
- Basile, Kelly
- Basu, Rituparna
- Baumann, Chris
- Bednall, David
- Benga, Princesse
- Bennett, Roger
- Bennett, Susan
- Bhatt, Gaurav
- Biedenbach, Galina
- Botelho, Delane
- Boutsouki, Christina
- Brennan, Ross
- Bu, Yi
- Burki, Umar
- Butcher, Ken
- Butt, Asad
- Byast, Jenny
- Caemmerer, Barbara
- Caldieraro, Fabio
- Cambra-Fierro, Jesús
- Canales, Pedro
- Carter, Vince
- Chahal, Hardeep
- Chakraborty, Uttam
- Chan, Kwong
- Chan, Ricky Y. K.
- Chang, Joshua
- Chatterjee, Swagato
- Chauhan, Vishakha
- Cheah, Jun-Hwa
- Cheha, Norbani
- Chen, Man
- Chiu, Weisheng
- Chong, Han Xi
- Chow, Clement
- Constantinou, Maria
- Corsi, Armando Maria
- D'souza, Clare
- Dandekar Humnekar, Trupti
- Dash, Satya
- Dawra, Jagrook
- Deb, Madhurima
- Dey, Dipanjan
- Diao, Zihe
- Duarte, Paulo
- Farooqi, Rahela
- Forrest, Jeffrey Yi-Lin
- Fowler, Kendra
- Ganguli, Shirshendu
- Gbadamosi, Ayantunji
- Ge, Jiaoju
- Gilboa, Shaked
- Grant, E. Stephen
- Guda, Sridhar
- Guercini, Simone
- Gupta, Ashish
- Gupta, Karnika
- Hakala, Ulla
- Harcar, Talha
- Hashemi, Hossein
- Hassan, Syed
- Hossain, Syed Far Abid
- Hsiao, Ming-Hsiung
- Ilkan, Mustafa
- Imran, Muhammad
- Islam, Jamid
- Jain, Sanjay
- Jassawalla, Avan
- Jebarajakirthy, Charles
- Jensen, Jan
- Johnn Yee, Choy
- Kalafatis, Stavros
- Kalafatis, Stavros
- Kalro, Arti
- Kang, Jun
- Kang, Min Jeong
- Kautish, Pradeep
- Kaveh, Azam
- Khan, Aila
- Khare, Arpita
- Khoshghadam, Leila
- Kienzler, Mario
- Kim, Minho
- Kindström, Daniel
- Korelo, Jose
- Kubat, Umut
- Kumar, Bipul
- Lau, Eric Kin Wai
- Leckie, Civilai
- Legendre, Tiffany
- Levin, Michael
- Lim, Weng Marc
- Lima, Vitor
- Machado Nardi, Vinicius Antonio
- Madi, Aziz
- Madichie, Nnamdi
- Mägi, Anne
- Mahapatra, Sabita
- Maheswarappa, Satish
- Maity, Moutusy
- Malek, Stacey
- Masli, Eryadi Kordi
- Matos, Celso Augusto
- Miao, Miao
- Mohiuddin, Md. Fazla
- Molina-Castillo, Francisco-Jose
- Molinillo, Sebastian
- Mondo, Tiago
- Motiani, Manoj
- Mukherjee, Srabanti
- Narasimhan, Rajkumar
- Narwal, Preeti
- Nickell, David
- Ofori, Kwame
- Oliveira, Marta
- Osakwe, Christian Nedu
- Palamidovska-Sterjadovska, Nikolina
- Pandey, Shivendra
- Pandher, Jagwinder
- Phang, Ing Grace
- Pizzinatto, Nadia
- Pornpitakpan, Chanthika
- Pradhan, Debasis
- Priya, Pankaj
- Pujari, Ashish
- Punyatoya, Plavini
- Purani, Keyoor
- Pyun, Do Young
- Quach Thaichon, Sara
- Rajabi, Reza
- Ramadan, Zahy
- Ray Chaudhuri, Bibek
- Raza, Ali
- Rodriguez, Rocio
- Roy, Gobinda
- Safeer, Asif Ali
- Salciuviene, Laura
- Sanoubar, Naser
- Sarkar, Abhigyan
- Sarkar, Juhi
- Segarra-Moliner, Jose-Ramon
- Semprebon, Elder
- Sharma, Gajendra
- Sharma, Rajesh
- Sigala, Marianna
- Silveira, Cleo
- Simkin, Lyndon
- Simmons, Geoff
- Singh, Rakesh
- Sivakumaran, Bharadhwaj
- Sivaramakrishnan, Sreeram
- Soniewicki, Marcin
- Srivastava, Mukta
- Stalidis, George
- Sulistiawan, Jovi
- Tang, Tanya
- Teah, Kevin
- Thaichon, Park
- Van Maldegem, Ageeth
- Vashko, Irina
- Yadav, Rambalak
- Yang, Shuang
- Yudarwati, Gregoria
- Zanini, Marco Tulio
- Zarkada, Anna
- Zhang, Xiaodan