IEEE GHTC 2021 would like to thank the following reviewers who blind peer reviewed papers submitted for consideration and provided authors with actionable feedback.
| Title | Given name | Surname | Affiliation | Country |
| Mr. | Hakiri | Akram | Laboratoire d’Architecture et d’Analyse des Systèmes | France |
| Dr. | Fungai | Bhunu Shava | Namibia University of Science and Technology | Namibia |
| Mr. | Bai | Blyden | N/A | USA |
| Mr. | John | Byabazaire | University College Dublin | Ireland |
| Prof. | Carlos | Calderon Cordova | Universidad Tecnica Particular de Loja | Ecuador |
| Dr. | Hatice | Ceylan Koydemir | University of California, Los Angeles | USA |
| Mr. | Tinashe | Chizema | Centre for Community Technologies | South Africa |
| Ms. | Miriam | Cunningham | IST-Africa Institute | Ireland |
| Prof. | Paul | Cunningham | IST-Africa Institute | Ireland |
| Mr. | Charles | Delahunt | Global Health Labs | USA |
| Dr. | Behnam | Dezfouli | Santa Clara University | USA |
| Dr. | Sreeram | Dhurjaty | Dhurjaty Electronics Consulting LLC | USA |
| Ms. | Phumla | Dlamini | Nelson Mandela University | South Africa |
| Dr. | Xavier | Fernando | Ryerson University | Canada |
| Prof. | Anna | Förster | University of Bremen | Germany |
| Prof. | Silvia | Figueira | Santa Clara University | USA |
| Dr. | Kenneth | Foster | Univ of PA | USA |
| Mr. | Agyei | Fosu | Walter Sisulu University | South Africa |
| Dr. | Peter | Freere | Nelson Mandela University | South Africa |
| Mr. | Dave | Goldsmith | KiloWatts for Humanity | USA |
| Dr. | Japie | Greeff | NWU | South Africa |
| Mr. | Felix | Holl | University of California | Germany |
| Mr. | Iain | Hunt | Villanova University | USA |
| Ms. | Nikita | Jalodia | Waterford Institute of Technology | Ireland |
| Prof. | Nobert | Jere | Walter Sisulu University | South Africa |
| Dr. | Stella | Kabiri | National Agricultural Research Council | Ireland |
| Mr. | Mayank | Kejriwal | University of Southern California | USA |
| Dr. | Albert | Ko | Lingnan University | USA |
| Mr. | Siddhant | Kumar | Indian Institute of Technology Mandi | India |
| Dr. | Maria Guadalupe | Lopez Molina | Universidad Iberoamericana Puebla | Mexico |
| Prof. | Henry | Louie | Seattle University | USA |
| Prof. | Pietro | Manzoni | Universitat Politècnica de València | Spain |
| Dr. | Waldir | Moreira | Fraunhofer Portugal AICOS | Portugal |
| Mr. | Shyam | Nigam | Liberty Global | The Netherlands |
| Mr. | Robert | Nutter | WGSESDC | USA |
| Mr. | Rajesh | Pindoriya | Indian Institute of Technology Mandi | India |
| Dr. | Alan | Rocha | NATIONAL INSTITUTE OF TECHNICAL TEACHERS TRAINING AND RESEARCH BHOPAL GOA EXTENSION CENTRE | India |
| Ms. | Nathaly | Sanchez Chan | Chalmers University of Technology | Sweden |
| Mr. | Jaykumar | Sheth | Santa Clara University | USA |
| Dr. | Pritpal | Singh | Villanova University | USA |
| Mr. | Lane | Smith | University of Washington | USA |
| Prof. | Aaron | St. Leger | West Point | USA |
| Dr. | Mohit | Taneja | Walton Institute of Information and Communication Systems Science | Ireland |
| Mr. | Javier | Urquizo | Villanova University | USA |
| Mr. | Kenji | Ushimaru | Infra Innovations, Inc. | USA |
| Dr. | Adil | Usman | University of California Santa Cruz | USA |
| Prof. | Darelle | Van Greunen | Nelson Mandela University | South Africa |
| Dr. | Wenbo | Wang | Global Health Labs | Canada |
| Mr. | Srihari | Yamanoor | Self | USA |