Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Architecture and Design, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
![Guy Hutton](/user/assets/images/profile/no-profile-photo.png)
water
sanitation
hygiene
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,159
3,038
0.372
![Robert Bain](https://cdn.adscientificindex.com/pictures/8d/4381047.jpg)
drinking water
sanitation and hygiene
data and monitoring
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,496
3,173
0.706
![Rafael Obregon](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,349
2,082
0.479
![Jp Amorij](https://cdn.adscientificindex.com/pictures/ae/4398932.jpg)
vaccines
biologicals
product & process development
QbD
QC
freeze-drying
formulation
needle-free delivery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,344
1,567
0.469
![Arnaud Laillou](https://cdn.adscientificindex.com/pictures/b1/4391502.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,910
2,022
0.695
![Sufang Guo](/user/assets/images/profile/no-profile-photo.png)
MNCH
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,825
1,670
0.591
![Ginger Johnson](/user/assets/images/profile/no-profile-photo.png)
medical anthropology
applied anthropology
health and human rights
pandemics and healthcare crisis
adolescent and child healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,196
1,971
0.898
![Samuel Godfrey](https://cdn.adscientificindex.com/pictures/79/4394630.jpg)
Water Resources and supply engineering in developing countries
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,747
932
0.533
![Anilena Mejia](https://cdn.adscientificindex.com/pictures/11/4391211.jpg)
early child development
parenting
caregiving
prevention
low- and middle-income countries
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,302
944
0.725
![Arjan De Wagt](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
817
469
0.574
![Nicholas P Oliphant](/user/assets/images/profile/no-profile-photo.png)
CHWs
geography of community health / CHWs
integrated community case management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
766
464
0.606
![Daniel Van Rooijen](/user/assets/images/profile/no-profile-photo.png)
water
saitation
cities
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
758
328
0.433
![Asha Pun](/user/assets/images/profile/no-profile-photo.png)
Maternal and Newborn Health
HIV
Reproductive Health
Nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
610
335
0.549
![Ariel Higgins-Steele](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
525
448
0.853
![Frank Van Cappelle](https://cdn.adscientificindex.com/pictures/03/4592457.jpg)
digital learning
distance learning
innovation
AI
out-of-school children
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
433
256
0.591
![Andrea Rossi](https://cdn.adscientificindex.com/pictures/2b/4597125.jpg)
human rights
hard-to-reach populations
ethics
applied research
migration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
243
104
0.428
![Amornchai Challcharoenwattana](/user/assets/images/profile/no-profile-photo.png)
Climate Change
Co-benefit
GHG emission
MSW
recycling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
188
130
0.691
![Sanjeev Upadhyaya](https://cdn.adscientificindex.com/pictures/85/5597440.jpg)
Health System Strengthening
Maternal & Child Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
163
109
0.669
![Suyitno](https://cdn.adscientificindex.com/pictures/76/5689951.jpg)
Public Health
Environmental Health
Health Development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
124
121
0.976
![Anastasiya Nurzhynska, Анастасія Нуржинська](https://cdn.adscientificindex.com/pictures/e9/5639733.jpg)
Behaviour Science
Social Change
Communication for Development
Teaching and Learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
116
106
0.914
![Sunny Ibeneme](https://cdn.adscientificindex.com/pictures/10/5688407.jpg)
Health Systems
Digital Health
Policy Analysis
Global Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
115
114
0.991
![Swati Manchikanti](/user/assets/images/profile/no-profile-photo.png)
Climate change
health systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
77
60
0.779
![Daniel Salihu](https://cdn.adscientificindex.com/pictures/52/5358300.jpg)
Health Systems Strengthening
Digital Health
RMNCAH
HIV/AIDS/TB/Malaria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64
64
1.000
![Sabbiana Cunsolo](https://cdn.adscientificindex.com/pictures/a4/5590925.jpg)
children
well-being
social policies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53
51
0.962
![Saikat Mandal Tanu](https://cdn.adscientificindex.com/pictures/c7/5592981.jpg)
GIS & Remote sensing
Pollution
Environment
Data science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51
51
1.000
Guy Hutton
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,159
3,038
0.372
Robert Bain
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,496
3,173
0.706
Rafael Obregon
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,349
2,082
0.479
Jp Amorij
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,344
1,567
0.469
vaccines
biologicals
product & process development
QbD
QC
freeze-drying
formulation
needle-free delivery
Arnaud Laillou
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,910
2,022
0.695
Sufang Guo
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,825
1,670
0.591
Ginger Johnson
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,196
1,971
0.898
medical anthropology
applied anthropology
health and human rights
pandemics and healthcare crisis
adolescent and child healt
Samuel Godfrey
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,747
932
0.533
Anilena Mejia
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,302
944
0.725
early child development
parenting
caregiving
prevention
low- and middle-income countries
Arjan De Wagt
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
817
469
0.574
Nicholas P Oliphant
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
766
464
0.606
CHWs
geography of community health / CHWs
integrated community case management
Daniel Van Rooijen
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
758
328
0.433
Asha Pun
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
610
335
0.549
Ariel Higgins-Steele
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
525
448
0.853
Frank Van Cappelle
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
433
256
0.591
digital learning
distance learning
innovation
AI
out-of-school children
Andrea Rossi
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
243
104
0.428
human rights
hard-to-reach populations
ethics
applied research
migration
Amornchai Challcharoenwattana
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
188
130
0.691
Sanjeev Upadhyaya
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
163
109
0.669
Suyitno
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
124
121
0.976
Anastasiya Nurzhynska, Анастасія Нуржинська
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
116
106
0.914
Behaviour Science
Social Change
Communication for Development
Teaching and Learning
Sunny Ibeneme
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
115
114
0.991
Swati Manchikanti
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
77
60
0.779
Daniel Salihu
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64
64
1.000
Health Systems Strengthening
Digital Health
RMNCAH
HIV/AIDS/TB/Malaria
Sabbiana Cunsolo
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53
51
0.962
Saikat Mandal Tanu
UNICEF
New York, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51
51
1.000