Top 100 Scientists

Africa Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (873,864 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection :1
Landon Myer
epidemiology
biostatistics
HIV
maternal & child health
women's health
Metrics
H-Index
i10 Index
Citation
92
416
32,929
Lara Fairall
universal coverage
implementation science
pragmatic trials
primary care
Metrics
H-Index
i10 Index
Citation
31
45
4,196
* Rankings
Ranking Based On Selection :10
Hanna-Andrea Rother
climate change and health
pesticides and chemicals management
environmental and pubic health
risk communication
Metrics
H-Index
i10 Index
Citation
27
47
2,132
* Rankings
Ranking Based On Selection :11
Indiran Govender
Stress and burnout
travel medicine
maternal health
infectious diseases' stress and burnout
Metrics
H-Index
i10 Index
Citation
25
57
2,086
* Rankings
Ranking Based On Selection :14
Samuel Anu Olowookere
Family Medicine
Non-communicable Diseases
Communicable Diseases
Metrics
H-Index
i10 Index
Citation
23
44
2,039
* Rankings
Ranking Based On Selection :15
Bello Ibrahim Sebutu
Malaria.
HiV
Hypertension and Diabetes
Family Medicine
Primary Health Care
Metrics
H-Index
i10 Index
Citation
19
27
1,405
* Rankings
Ranking Based On Selection :16
Gabriel Uche Pascal Iloh
Family Medicine
Public Health
Primary Care
Epidemiology
Hospital Administration
Metrics
H-Index
i10 Index
Citation
19
40
1,391
* Rankings
Ranking Based On Selection :17
Khaled Mahmoud Abd Elaziz
Epidemiology
Medical statistics
Lymphatic Filariasis
Metabolic syndrome
Hypertension
Metrics
H-Index
i10 Index
Citation
18
28
1,172
* Rankings
Ranking Based On Selection :19
Mosleh A Ismail
Research
Complementary And Alternative Medice
Metrics
H-Index
i10 Index
Citation
17
24
1,931
* Rankings
Ranking Based On Selection :23
Bernhard Gaede
Rural health
health professions education
distributed teaching platform
Metrics
H-Index
i10 Index
Citation
14
19
871
* Rankings
Ranking Based On Selection :24
Ndifreke Ekpo Udonwa
Social and Interpersonal Medicine/Rural and Remote Health
Faculty Development
Metrics
H-Index
i10 Index
Citation
14
17
663
* Rankings
Ranking Based On Selection :26
Paul Dienye
Rural and remote health
primary care
lifestyle
surgical practice
Metrics
H-Index
i10 Index
Citation
13
17
781
* Rankings
Ranking Based On Selection :30
Mawuli K Gyakobo
Pain management and palliative care
family medicine
snake bites and envenomation
metabolic syndrome
Metrics
H-Index
i10 Index
Citation
12
15
802
* Rankings
Ranking Based On Selection :31
Patrick Chege
primary care research
chronic diseases in rural populations
medical education
Metrics
H-Index
i10 Index
Citation
12
13
465
* Rankings
Ranking Based On Selection :33
Isaac Olusayo Amole
abdominal obesity and reconstructive surgery for Hansen's Disease patients
Metrics
H-Index
i10 Index
Citation
12
13
870
Monika Kamkuemah
Public Health
Climate Change
Citizen Science
Epidemiology
Paediatrics and Child Health
Metrics
H-Index
i10 Index
Citation
9
9
384
Paula Diab
Medical education
cross-cultural
language
diabetes
family medicine
Metrics
H-Index
i10 Index
Citation
9
8
171
Oseni, Tijani Idris Ahmad
Lifestyle & Behavioural Medicine
Family Medicine Education
Sexual and Reproductive Health
Metrics
H-Index
i10 Index
Citation
8
5
192
Stephen Adesope Adesina
Musculoskeletal injuries
Primary care
Family functioning
Metrics
H-Index
i10 Index
Citation
7
6
258
Agam E. Ayuk
Primary Care
Behavioural Medicine
Managed care/Health Financing
HIV Medicine
Metrics
H-Index
i10 Index
Citation
6
4
105
Marwa Mohasseb
family medicine
woman health
healthcare quality
Metrics
H-Index
i10 Index
Citation
6
2
80
Wayne Renkin
Liberation Theology
Homelessness
Policy
Spatial Justice
COPC
Metrics
H-Index
i10 Index
Citation
5
3
93
Ahmed Nazzal
Family Medicine
Cancer Epidemiology
Evidence Based Medicine
Metrics
H-Index
i10 Index
Citation
4
4
498
Tsepo Motsohi
health systems and policy
family medicine
health sciences education
Metrics
H-Index
i10 Index
Citation
4
3
147
Heba Elghalban
Family medicine
Woman health
Research
statistics
Metrics
H-Index
i10 Index
Citation
2
0
10
Emmett Harrison
primary care quality improvement
rural and regional medicine
Metrics
H-Index
i10 Index
Citation
1
0
8
Carla M Holinaty
Family Medicine
Physician Wellness
Physician Engagement
Metrics
H-Index
i10 Index
Citation
1
0
8
George Anyuku Azubuike Chima
Family Medicine
HIV medicine and related infectious diseases and obstetric fistulae surgery
Metrics
H-Index
i10 Index
Citation
1
0
6
Olusuyi Kolawole Michael
Family Medicine
Primary Healthcare
Telemedicine
Electronic Health Records (EHR & EMR) & eHealth
Metrics
H-Index
i10 Index
Citation
1
0
5
Rankings
Ranking Based On Selection: 1
Landon Myer
Metrics
H-Index
i10 Index
Citation Counts
92
416
32,929
epidemiology
biostatistics
HIV
maternal & child health
women's health
Rankings
Ranking Based On Selection: 2
Andrew Boulle
Metrics
H-Index
i10 Index
Citation Counts
71
199
18,813
Rankings
Ranking Based On Selection: 3
Robert Mash Bob Mash
Metrics
H-Index
i10 Index
Citation Counts
44
156
7,060
Rankings
Ranking Based On Selection: 4
Mustafa Kamal
Metrics
H-Index
i10 Index
Citation Counts
39
152
5,712
Rankings
Ranking Based On Selection: 5
Morna Cornell
Metrics
H-Index
i10 Index
Citation Counts
34
64
5,361
Rankings
Ranking Based On Selection: 7
Lara Fairall
Metrics
H-Index
i10 Index
Citation Counts
31
45
4,196
universal coverage
implementation science
pragmatic trials
primary care
Rankings
Ranking Based On Selection: 8
Tamsin K Phillips
Metrics
H-Index
i10 Index
Citation Counts
29
55
2,640
Rankings
Ranking Based On Selection: 9
Patricia A Agaba
Metrics
H-Index
i10 Index
Citation Counts
29
62
2,410
Rankings
Ranking Based On Selection: 10
Hanna-Andrea Rother
Metrics
H-Index
i10 Index
Citation Counts
27
47
2,132
climate change and health
pesticides and chemicals management
environmental and pubic health
risk communication
Rankings
Ranking Based On Selection: 11
Indiran Govender
Metrics
H-Index
i10 Index
Citation Counts
25
57
2,086
Stress and burnout
travel medicine
maternal health
infectious diseases' stress and burnout
Rankings
Ranking Based On Selection: 12
Gboyega A. Ogunbanjo
Metrics
H-Index
i10 Index
Citation Counts
24
65
2,115
Rankings
Ranking Based On Selection: 14
Samuel Anu Olowookere
Metrics
H-Index
i10 Index
Citation Counts
23
44
2,039
Family Medicine
Non-communicable Diseases
Communicable Diseases
Rankings
Ranking Based On Selection: 15
Bello Ibrahim Sebutu
Metrics
H-Index
i10 Index
Citation Counts
19
27
1,405
Malaria.
HiV
Hypertension and Diabetes
Family Medicine
Primary Health Care
Rankings
Ranking Based On Selection: 16
Gabriel Uche Pascal Iloh
Metrics
H-Index
i10 Index
Citation Counts
19
40
1,391
Family Medicine
Public Health
Primary Care
Epidemiology
Hospital Administration
Rankings
Ranking Based On Selection: 17
Khaled Mahmoud Abd Elaziz
Metrics
H-Index
i10 Index
Citation Counts
18
28
1,172
Epidemiology
Medical statistics
Lymphatic Filariasis
Metabolic syndrome
Hypertension
Rankings
Ranking Based On Selection: 18
Mahmoud Werfalli
Metrics
H-Index
i10 Index
Citation Counts
17
17
2,300
Rankings
Ranking Based On Selection: 19
Mosleh A Ismail
Metrics
H-Index
i10 Index
Citation Counts
17
24
1,931
Rankings
Ranking Based On Selection: 20
Emmanuel Nnamdi Ezedinachi
Metrics
H-Index
i10 Index
Citation Counts
17
21
1,102
Rankings
Ranking Based On Selection: 22
Laktabai Jeremiah
Metrics
H-Index
i10 Index
Citation Counts
14
19
808
Rankings
Ranking Based On Selection: 23
Bernhard Gaede
Metrics
H-Index
i10 Index
Citation Counts
14
19
871
Rural health
health professions education
distributed teaching platform
Rankings
Ranking Based On Selection: 24
Ndifreke Ekpo Udonwa
Metrics
H-Index
i10 Index
Citation Counts
14
17
663
Social and Interpersonal Medicine/Rural and Remote Health
Faculty Development
Rankings
Ranking Based On Selection: 25
Segun Matthew Agboola
Metrics
H-Index
i10 Index
Citation Counts
13
17
663
Rankings
Ranking Based On Selection: 26
Paul Dienye
Metrics
H-Index
i10 Index
Citation Counts
13
17
781
Rural and remote health
primary care
lifestyle
surgical practice
Rankings
Ranking Based On Selection: 27
Elma De Vries
Metrics
H-Index
i10 Index
Citation Counts
13
16
2,895
Rankings
Ranking Based On Selection: 28
Vaughn John
Metrics
H-Index
i10 Index
Citation Counts
13
18
1,953
Rankings
Ranking Based On Selection: 30
Mawuli K Gyakobo
Metrics
H-Index
i10 Index
Citation Counts
12
15
802
Pain management and palliative care
family medicine
snake bites and envenomation
metabolic syndrome
Rankings
Ranking Based On Selection: 31
Patrick Chege
Metrics
H-Index
i10 Index
Citation Counts
12
13
465
primary care research
chronic diseases in rural populations
medical education
Rankings
Ranking Based On Selection: 32
Sunday Bassey Udoh
Metrics
H-Index
i10 Index
Citation Counts
12
16
606
Rankings
Ranking Based On Selection: 33
Isaac Olusayo Amole
Metrics
H-Index
i10 Index
Citation Counts
12
13
870
abdominal obesity and reconstructive surgery for Hansen's Disease patients
Rankings
Ranking Based On Selection: 35
Eleanor Whyle
Metrics
H-Index
i10 Index
Citation Counts
11
11
545
Health Systems
Health System Reform
Health Policy
Rankings
Ranking Based On Selection: 36
Hala Mohammed Elmoselhy Shaheen
Metrics
H-Index
i10 Index
Citation Counts
10
11
314
Rankings
Ranking Based On Selection: 38
Mosedi Namane
Metrics
H-Index
i10 Index
Citation Counts
9
9
640
Rankings
Ranking Based On Selection: 39
Philippe Lukanu
Metrics
H-Index
i10 Index
Citation Counts
9
9
340
Rankings
Ranking Based On Selection: 40
Monika Kamkuemah
Metrics
H-Index
i10 Index
Citation Counts
9
9
384
Public Health
Climate Change
Citizen Science
Epidemiology
Paediatrics and Child Health
Rankings
Ranking Based On Selection: 41
Stephane Tshitenge
Metrics
H-Index
i10 Index
Citation Counts
9
8
155
Rankings
Ranking Based On Selection: 42
Godswill A. Nnaji
Metrics
H-Index
i10 Index
Citation Counts
9
9
253
Rankings
Ranking Based On Selection: 43
Mohamed Yehia El Awady
Metrics
H-Index
i10 Index
Citation Counts
9
9
406
Rankings
Ranking Based On Selection: 44
Paula Diab
Metrics
H-Index
i10 Index
Citation Counts
9
8
171
Medical education
cross-cultural
language
diabetes
family medicine
Rankings
Ranking Based On Selection: 46
Innocent K.Besigye
Metrics
H-Index
i10 Index
Citation Counts
8
6
174
Rankings
Ranking Based On Selection: 47
Oseni, Tijani Idris Ahmad
Metrics
H-Index
i10 Index
Citation Counts
8
5
192
Lifestyle & Behavioural Medicine
Family Medicine Education
Sexual and Reproductive Health
Rankings
Ranking Based On Selection: 49
Patricia Eseigbe
Metrics
H-Index
i10 Index
Citation Counts
7
6
286
Rankings
Ranking Based On Selection: 50
Musa Dankyau
Metrics
H-Index
i10 Index
Citation Counts
7
4
188
Rankings
Ranking Based On Selection: 51
Tosin Anthony Agbesanwa
Metrics
H-Index
i10 Index
Citation Counts
7
3
122
Family Medicine
Adolescent and Youth Medicine
General Practice
Rankings
Ranking Based On Selection: 52
Stephen Adesope Adesina
Metrics
H-Index
i10 Index
Citation Counts
7
6
258
Musculoskeletal injuries
Primary care
Family functioning
Rankings
Ranking Based On Selection: 53
Mark Gyang
Metrics
H-Index
i10 Index
Citation Counts
7
3
97
Rankings
Ranking Based On Selection: 54
Amaka Obi-Nwosu
Metrics
H-Index
i10 Index
Citation Counts
7
6
197
Rankings
Ranking Based On Selection: 55
Kantharuben Naidoo
Metrics
H-Index
i10 Index
Citation Counts
7
5
195
Rankings
Ranking Based On Selection: 56
Nora Abdelhady Khalil
Metrics
H-Index
i10 Index
Citation Counts
6
5
181
Rankings
Ranking Based On Selection: 58
Agam E. Ayuk
Metrics
H-Index
i10 Index
Citation Counts
6
4
105
Primary Care
Behavioural Medicine
Managed care/Health Financing
HIV Medicine
Rankings
Ranking Based On Selection: 59
Stephen Yohanna
Metrics
H-Index
i10 Index
Citation Counts
6
4
249
Rankings
Ranking Based On Selection: 61
Godwin Yovwin
Metrics
H-Index
i10 Index
Citation Counts
6
3
134
Rankings
Ranking Based On Selection: 62
Marwa Mohasseb
Metrics
H-Index
i10 Index
Citation Counts
6
2
80
Rankings
Ranking Based On Selection: 63
Geraldine Ndukwu
Metrics
H-Index
i10 Index
Citation Counts
5
5
241
Rankings
Ranking Based On Selection: 64
Dirk Thomas Hagemeister
Metrics
H-Index
i10 Index
Citation Counts
5
4
188
Family Medicine
Health Sciences Education
Emergency Care
Rankings
Ranking Based On Selection: 65
Wayne Renkin
Metrics
H-Index
i10 Index
Citation Counts
5
3
93
Liberation Theology
Homelessness
Policy
Spatial Justice
COPC
Rankings
Ranking Based On Selection: 66
Ahmed Nazzal
Metrics
H-Index
i10 Index
Citation Counts
4
4
498
Family Medicine
Cancer Epidemiology
Evidence Based Medicine
Rankings
Ranking Based On Selection: 67
Jody Pukuta Mbuilu
Metrics
H-Index
i10 Index
Citation Counts
4
4
408
Family Medicine - Atherosclerosis in Primary Care
Rankings
Ranking Based On Selection: 68
Adenike Adeniran
Metrics
H-Index
i10 Index
Citation Counts
4
3
219
Rankings
Ranking Based On Selection: 69
Tsepo Motsohi
Metrics
H-Index
i10 Index
Citation Counts
4
3
147
health systems and policy
family medicine
health sciences education
Rankings
Ranking Based On Selection: 70
Abha Jodheea-Jutton
Metrics
H-Index
i10 Index
Citation Counts
4
2
139
Rankings
Ranking Based On Selection: 71
Deji-Dada Olabisi Olamide
Metrics
H-Index
i10 Index
Citation Counts
4
2
55
Rankings
Ranking Based On Selection: 73
Umukoro Duncan Ogheneovo
Metrics
H-Index
i10 Index
Citation Counts
4
2
58
Rankings
Ranking Based On Selection: 74
Fatma Ahmed El-Esrigy
Metrics
H-Index
i10 Index
Citation Counts
4
1
36
Rankings
Ranking Based On Selection: 75
Kufre Umoh
Metrics
H-Index
i10 Index
Citation Counts
4
1
33
Rankings
Ranking Based On Selection: 76
James Porter
Metrics
H-Index
i10 Index
Citation Counts
3
1
28
Rankings
Ranking Based On Selection: 77
Duniesky Martínez López
Metrics
H-Index
i10 Index
Citation Counts
3
0
33
Rankings
Ranking Based On Selection: 79
Joseph Thigiti
Metrics
H-Index
i10 Index
Citation Counts
3
1
31
Rankings
Ranking Based On Selection: 80
Amira Elfouly
Metrics
H-Index
i10 Index
Citation Counts
2
1
20
Rankings
Ranking Based On Selection: 82
Adam Asghar
Metrics
H-Index
i10 Index
Citation Counts
2
0
11
Rankings
Ranking Based On Selection: 83
Heba Elghalban
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
Rankings
Ranking Based On Selection: 84
Khalid Ismail
Metrics
H-Index
i10 Index
Citation Counts
2
0
5
Rankings
Ranking Based On Selection: 86
Hari Hullur
Metrics
H-Index
i10 Index
Citation Counts
2
0
8
Rankings
Ranking Based On Selection: 87
Emmett Harrison
Metrics
H-Index
i10 Index
Citation Counts
1
0
8
primary care quality improvement
rural and regional medicine
Rankings
Ranking Based On Selection: 88
Sarah Liskowich
Metrics
H-Index
i10 Index
Citation Counts
1
0
8
Rankings
Ranking Based On Selection: 89
Carla M Holinaty
Metrics
H-Index
i10 Index
Citation Counts
1
0
8
Family Medicine
Physician Wellness
Physician Engagement
Rankings
Ranking Based On Selection: 91
George Anyuku Azubuike Chima
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
Family Medicine
HIV medicine and related infectious diseases and obstetric fistulae surgery
Rankings
Ranking Based On Selection: 92
Olusuyi Kolawole Michael
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
Family Medicine
Primary Healthcare
Telemedicine
Electronic Health Records (EHR & EMR) & eHealth
Rankings
Ranking Based On Selection: 93
Aviwe Mgobozi
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Rankings
Ranking Based On Selection: 95
Clara Rocha
Metrics
H-Index
i10 Index
Citation Counts
1
0
1