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:
- Abbasnejad, Behzad
- Abdelhamid, Tariq
- Abdul Mohsin, Ainul
- Abrishami, Sepehr
- Abu Adi, Wedad
- Adetola, Alaba
- Agyekum, Kofi
- Ahmed, Shurooq
- Ahn, Jun
- Ahuja, Ritu
- Ajayi, Saheed
- Aka, Adefemi
- Akotia, Julius
- Al-Mhdawi, Mohammed
- Alkhateeb, Ahmad
- Alkilani, Suhair
- Almasabha, Ghassan
- Alnasseri, Hammad
- Anjum, Taqdees
- Ankomah, Emmanuel Nsiah
- Arai, Koki
- Arif, Mohammed
- Arun, C.
- Atuahene, Bernard Tuffour
- Awolusi, Ibukun
- Awuzie, Bankole
- Ayalew, Tadesse
- Aydin, Murat
- Ayinla, Kudirat
- Badi, Sulafa
- Bai, Jiping
- Bakhshi, Javad
- Bao, Zhikang
- Barbarosoglu, Bahadir
- Basu, Chaitali
- Belay, Solomon
- Belayutham, Sheila
- Bhatnagar, Anurita
- Bhattacharya, Sanjay
- Bilge, Eymen Cagatay
- Bock, Thomas
- Charlesraj, V. Paul C.
- Charoenngam, Chotchai
- Chen, Le
- Chen, Long
- Chileshe, Nicholas
- Choi, Jin Ouk
- Daniel, Emmanuel Itodo
- Das, Priyadarshini
- Debrah, Caleb
- Dharmapalan, Vineeth
- Doloi, Hemanta
- Dong, Na
- Duren, Joop
- Dwivedi, Yogesh
- Ebekozien, Andrew
- Edwards, David
- Eiris, Ricardo
- El-Adaway, Islam H.
- Elghaish, Faris
- Faris, Hazhar
- Fayek, Aminah Robinson
- Frimpong, Samuel
- Ganguli, Abhijit
- Gerami Seresht, Nima
- Getuli, Vito
- Ghaffar, Seyed Hamidreza
- Gharaibeh, Lina
- Ghosh, Arka
- Gledson, Barry
- Guribie, Francis
- Gurmu, Argaw
- Haapasalo, Harri
- Hall, Daniel
- Hamzeh, Farook R.
- Hosseini, M. Reza
- Irizarry, Javier
- Ismail, Zul-Atfi
- Karki, Samrakshya
- Kaushik, Amit
- Kikwasi, Geraldine
- Kim, Jeff
- Kumar Paul, Virendra
- Kumar, Bimal
- Langar, Sandeep
- Lei, Zhen
- Lester, Danielle
- Mezher, Toufic
- Mir, Mostafa
- Moayedi, Sara
- Mohandes, Saeed Reza
- Mohd Zahari, Ahmad
- Muhammad, Isa
- Muleya, Franco
- Mustaffa, Nur Emma
- Nanayakkara, Samudaya
- Nanda, Triveni Prasad
- Nguyen, Cuong
- Ninan, Johan
- Nwadike, Amarachukwu
- Obi, Lovelin
- Olanrewaju, Abdullateef
- Opoku, Alex
- Osei Kyei, Robert
- Pan, Mi
- Pant, Gautam
- Peansupap, Vachara
- Pérez, Cristina
- Poshdar, Mani
- Potseluyko, Lilia
- Ralegaonkar, Rahul
- Rankin, Jeff
- Rausch, Christopher
- Renukappa, Suresh
- Resendiz, Carla
- Riley, Mike
- Sadeghineko, Farhad
- Saeli, Manfredi
- Samuel, Adekunle
- Sepasgozar, Samad M. E.
- Seyedzadeh, Saleh
- Sheikhkhoshkar, Moslem
- Siriwardena, Mohan
- Siva, Jessica
- Soni, Aparna
- Sugihara, Kenichi
- Suresh, Subashini
- Tahmasebinia, Faham
- Tighnavard Balasbaneh, Ali
- Tirumala, Raghu
- Tookey, John
- Uusitalo, Petri
- Vaz-Serra, Paulo
- Walker, Derek H. T.
- Weerasuriya, G. T.
- Yeung, John F. Y.
- Ying, Fei
- Yusof, Nor'aini
- Zainal Abidin, Nurul Afroze
- Zhao, Nan
- Zhong, Ray Y.