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 :3
James K Tumwine
Paediatrics
Child health
infectious diseases
nutrition
training
Metrics
H-Index
i10 Index
Citation
66
193
13,613
* Rankings
Ranking Based On Selection :10
Martin Meremikwu
Paediatrics
child health
clinical trials
tropical infections
systematic review
Metrics
H-Index
i10 Index
Citation
40
105
7,326
* Rankings
Ranking Based On Selection :14
Grace Irimu
Paediatrics and child Health and Emergency Care
Health system strengthening
Metrics
H-Index
i10 Index
Citation
35
60
2,858
* Rankings
Ranking Based On Selection :18
EBUNOLUWA ADERONKE ADEJUYIGBE
Paediatrics
Child Health
HIV/AIDS
Infectious Disease
Breastfeeding
Metrics
H-Index
i10 Index
Citation
33
70
5,214
* Rankings
Ranking Based On Selection :19
Echezona E. Ezeanolue
pediatrics
infectious diseases
implementation science
HIV
Metrics
H-Index
i10 Index
Citation
31
72
3,171
* Rankings
Ranking Based On Selection :21
George Obozokhale Akpede
Pediatric neurology and infectious diseases
viral hemorrhagic fevers
acute central nervous system infections
acute care neuro
Metrics
H-Index
i10 Index
Citation
31
59
3,239
* Rankings
Ranking Based On Selection :23
Fred Were
Newborn Medicine and Health Systems Research
Metrics
H-Index
i10 Index
Citation
30
54
3,293
* Rankings
Ranking Based On Selection :26
Senbanjo Idowu O
Paediatrics
under-nutrition
obesity
diarrhoeal disease
Abdominal pain
Metrics
H-Index
i10 Index
Citation
29
59
24,378
* Rankings
Ranking Based On Selection :29
Graeme Hoddinott
Tuberculosis (TB)
Children
Adolescents & Young People
Global Public Health
Health Behaviour
Metrics
H-Index
i10 Index
Citation
27
50
2,573
* Rankings
Ranking Based On Selection :33
Nisha Naicker
Public Health Medicine
Environmental and Occupational Health
Persistent toxic substances
Pediatrics
Climate Change
Metrics
H-Index
i10 Index
Citation
25
48
1,837
* Rankings
Ranking Based On Selection :36
Kondwani Kawaza
Paediatrics
Child Health
Neonatology
Health Care Innovations
Metrics
H-Index
i10 Index
Citation
22
35
1,691
* Rankings
Ranking Based On Selection :43
Youssef Al Tonbary
pediatrics
hematology
oncology
Bone marrow transplant
Metrics
H-Index
i10 Index
Citation
21
41
1,324
* Rankings
Ranking Based On Selection :45
Amy Slogrove
pregnancy exposures
HIV exposed uninfected infants
child health
South Africa
adolescents living with HIV
Metrics
H-Index
i10 Index
Citation
20
35
2,072
* Rankings
Ranking Based On Selection :53
Jalemba Aluvaala
Neonatal Epidemiology
Newborn Medicine
Evidence Based Medicine
Health Services Research
Metrics
H-Index
i10 Index
Citation
18
27
947
* Rankings
Ranking Based On Selection :54
Joseph Rujumba
child health
Adolescent Health
maternal health
social determinants of health
qualitative research & Implementation Research
Metrics
H-Index
i10 Index
Citation
18
25
979
* Rankings
Ranking Based On Selection :56
Ute Feucht
Child health
Paediatric HIV
PMTCT
stillbirths
fetal growth restriction
Metrics
H-Index
i10 Index
Citation
18
26
1,021
* Rankings
Ranking Based On Selection :59
Bankole Peter Kuti
Paediatric Respiratory Diseases
Lung Function Test
Bronchoscopy
Metrics
H-Index
i10 Index
Citation
17
26
1,197
* Rankings
Ranking Based On Selection :61
Beckie Tagbo
Child health
Vaccinology
Paediatrics
Vaccine Clinical Trials
Infectious Diseases
Metrics
H-Index
i10 Index
Citation
17
27
1,037
* Rankings
Ranking Based On Selection :73
Shereen Reda
Pediatrics
Allergy
Immunology
Immunodeficiency
Metrics
H-Index
i10 Index
Citation
16
22
1,856
* Rankings
Ranking Based On Selection :87
Fathima Naby
hospital acquired infections
infectious disease surveillance
antimicrobial stewardship
Metrics
H-Index
i10 Index
Citation
14
16
1,454
* Rankings
Ranking Based On Selection :88
Neveen Abou El Soud
Herbal Medicine
Nutrition
Diabetes
Complementary Medicine
Pediatrics
Metrics
H-Index
i10 Index
Citation
14
16
1,308
* Rankings
Ranking Based On Selection :91
Steve Innes
Paediatric HIV in Southern Africa
specifically metabolic complications
Metrics
H-Index
i10 Index
Citation
14
20
1,381
* Rankings
Ranking Based On Selection :93
Joy C Ebenebe
Community and Social Paediatrics
Breastfeeding Medicine
Adolescent Health
Paediatric Nephrology
Metrics
H-Index
i10 Index
Citation
14
16
706
* Rankings
Ranking Based On Selection :94
Collins John
Gastroenterology Hepatology and Nutrition/General Paediatrics
Metrics
H-Index
i10 Index
Citation
14
16
682
* Rankings
Ranking Based On Selection :98
Mary Shilalukey Ngoma
Paediatric infections
newborn
HIV and AIDS
clinical neuropsychology
Metrics
H-Index
i10 Index
Citation
14
17
775
Rankings
Ranking Based On Selection: 1
Heather Zar
Metrics
H-Index
i10 Index
Citation Counts
106
427
62,382
Rankings
Ranking Based On Selection: 2
Bolajoko O. Olusanya
Metrics
H-Index
i10 Index
Citation Counts
80
198
118,801
Rankings
Ranking Based On Selection: 3
James K Tumwine
Metrics
H-Index
i10 Index
Citation Counts
66
193
13,613
Paediatrics
Child health
infectious diseases
nutrition
training
Rankings
Ranking Based On Selection: 4
Anna Coutsoudis
Metrics
H-Index
i10 Index
Citation Counts
58
143
11,434
Rankings
Ranking Based On Selection: 5
Fabian Esamai
Metrics
H-Index
i10 Index
Citation Counts
56
128
9,503
Rankings
Ranking Based On Selection: 6
Ruth Nduati
Metrics
H-Index
i10 Index
Citation Counts
51
122
10,921
Rankings
Ranking Based On Selection: 7
Khaled Saad
Metrics
H-Index
i10 Index
Citation Counts
41
69
5,236
Rankings
Ranking Based On Selection: 8
Ahmed Mansour
Metrics
H-Index
i10 Index
Citation Counts
40
166
6,181
Rankings
Ranking Based On Selection: 9
Kirsten A Donald
Metrics
H-Index
i10 Index
Citation Counts
40
96
5,873
Rankings
Ranking Based On Selection: 10
Martin Meremikwu
Metrics
H-Index
i10 Index
Citation Counts
40
105
7,326
Paediatrics
child health
clinical trials
tropical infections
systematic review
Rankings
Ranking Based On Selection: 11
Michael Levin
Metrics
H-Index
i10 Index
Citation Counts
38
80
5,734
Rankings
Ranking Based On Selection: 12
Yehia El Gamal
Metrics
H-Index
i10 Index
Citation Counts
36
49
16,956
Rankings
Ranking Based On Selection: 13
Sarah Kiguli
Metrics
H-Index
i10 Index
Citation Counts
35
71
5,606
Rankings
Ranking Based On Selection: 14
Grace Irimu
Metrics
H-Index
i10 Index
Citation Counts
35
60
2,858
Paediatrics and child Health and Emergency Care
Health system strengthening
Rankings
Ranking Based On Selection: 15
Elizabeth Maleche Obimbo
Metrics
H-Index
i10 Index
Citation Counts
35
89
3,562
Rankings
Ranking Based On Selection: 16
Dalton Wamalwa
Metrics
H-Index
i10 Index
Citation Counts
34
100
3,835
Rankings
Ranking Based On Selection: 17
Tinuade A. Ogunlesi
Metrics
H-Index
i10 Index
Citation Counts
34
68
3,509
Rankings
Ranking Based On Selection: 18
EBUNOLUWA ADERONKE ADEJUYIGBE
Metrics
H-Index
i10 Index
Citation Counts
33
70
5,214
Paediatrics
Child Health
HIV/AIDS
Infectious Disease
Breastfeeding
Rankings
Ranking Based On Selection: 19
Echezona E. Ezeanolue
Metrics
H-Index
i10 Index
Citation Counts
31
72
3,171
pediatrics
infectious diseases
implementation science
HIV
Rankings
Ranking Based On Selection: 20
Karl-Gunter Technau
Metrics
H-Index
i10 Index
Citation Counts
31
57
2,550
Rankings
Ranking Based On Selection: 21
George Obozokhale Akpede
Metrics
H-Index
i10 Index
Citation Counts
31
59
3,239
Pediatric neurology and infectious diseases
viral hemorrhagic fevers
acute central nervous system infections
acute care neuro
Rankings
Ranking Based On Selection: 22
Adegoke Falade
Metrics
H-Index
i10 Index
Citation Counts
30
61
3,417
Rankings
Ranking Based On Selection: 23
Fred Were
Metrics
H-Index
i10 Index
Citation Counts
30
54
3,293
Rankings
Ranking Based On Selection: 24
Elham Hossny
Metrics
H-Index
i10 Index
Citation Counts
30
49
5,472
Rankings
Ranking Based On Selection: 25
Anthony Garcia-Prats
Metrics
H-Index
i10 Index
Citation Counts
29
74
2,729
Rankings
Ranking Based On Selection: 26
Senbanjo Idowu O
Metrics
H-Index
i10 Index
Citation Counts
29
59
24,378
Paediatrics
under-nutrition
obesity
diarrhoeal disease
Abdominal pain
Rankings
Ranking Based On Selection: 27
Christabel Enweronu Laryea
Metrics
H-Index
i10 Index
Citation Counts
28
45
3,336
Rankings
Ranking Based On Selection: 28
Yared Asmare Aynalem
Metrics
H-Index
i10 Index
Citation Counts
27
49
12,751
Rankings
Ranking Based On Selection: 29
Graeme Hoddinott
Metrics
H-Index
i10 Index
Citation Counts
27
50
2,573
Tuberculosis (TB)
Children
Adolescents & Young People
Global Public Health
Health Behaviour
Rankings
Ranking Based On Selection: 30
Barbara Laughton
Metrics
H-Index
i10 Index
Citation Counts
27
44
2,149
Rankings
Ranking Based On Selection: 31
Stephen Oguche
Metrics
H-Index
i10 Index
Citation Counts
26
57
6,033
Rankings
Ranking Based On Selection: 32
Amira Adly
Metrics
H-Index
i10 Index
Citation Counts
26
58
2,276
Rankings
Ranking Based On Selection: 33
Nisha Naicker
Metrics
H-Index
i10 Index
Citation Counts
25
48
1,837
Public Health Medicine
Environmental and Occupational Health
Persistent toxic substances
Pediatrics
Climate Change
Rankings
Ranking Based On Selection: 34
Ifeoma Emodi
Metrics
H-Index
i10 Index
Citation Counts
24
55
1,999
Rankings
Ranking Based On Selection: 35
Melaku Desta
Metrics
H-Index
i10 Index
Citation Counts
22
38
14,760
Rankings
Ranking Based On Selection: 36
Kondwani Kawaza
Metrics
H-Index
i10 Index
Citation Counts
22
35
1,691
Paediatrics
Child Health
Neonatology
Health Care Innovations
Rankings
Ranking Based On Selection: 37
Adolfine Hokororo
Metrics
H-Index
i10 Index
Citation Counts
21
26
1,379
Rankings
Ranking Based On Selection: 38
Agozie Ubesie
Metrics
H-Index
i10 Index
Citation Counts
21
42
1,310
Rankings
Ranking Based On Selection: 39
Edison Mworozi
Metrics
H-Index
i10 Index
Citation Counts
21
34
1,694
Rankings
Ranking Based On Selection: 40
Doaaelsheihk
Metrics
H-Index
i10 Index
Citation Counts
21
36
1,302
Rankings
Ranking Based On Selection: 41
Ayebo Evawere Sadoh
Metrics
H-Index
i10 Index
Citation Counts
21
36
1,523
Rankings
Ranking Based On Selection: 42
Evans Amukoye
Metrics
H-Index
i10 Index
Citation Counts
21
33
2,092
Rankings
Ranking Based On Selection: 43
Youssef Al Tonbary
Metrics
H-Index
i10 Index
Citation Counts
21
41
1,324
Rankings
Ranking Based On Selection: 44
Michael Hendricks
Metrics
H-Index
i10 Index
Citation Counts
21
34
2,013
Rankings
Ranking Based On Selection: 45
Amy Slogrove
Metrics
H-Index
i10 Index
Citation Counts
20
35
2,072
pregnancy exposures
HIV exposed uninfected infants
child health
South Africa
adolescents living with HIV
Rankings
Ranking Based On Selection: 46
Irene Marete
Metrics
H-Index
i10 Index
Citation Counts
20
25
1,247
Rankings
Ranking Based On Selection: 47
Eric Wobudeya
Metrics
H-Index
i10 Index
Citation Counts
19
28
1,346
Rankings
Ranking Based On Selection: 48
Ali Sobh
Metrics
H-Index
i10 Index
Citation Counts
19
27
7,392
Rankings
Ranking Based On Selection: 49
Sohier Yahia
Metrics
H-Index
i10 Index
Citation Counts
19
30
1,020
Rankings
Ranking Based On Selection: 50
Ezekiel Wafula
Metrics
H-Index
i10 Index
Citation Counts
19
23
1,245
Rankings
Ranking Based On Selection: 51
Olatunya Oladele
Metrics
H-Index
i10 Index
Citation Counts
18
29
997
Rankings
Ranking Based On Selection: 52
Adaeze C. Ayuk
Metrics
H-Index
i10 Index
Citation Counts
18
34
1,016
Rankings
Ranking Based On Selection: 53
Jalemba Aluvaala
Metrics
H-Index
i10 Index
Citation Counts
18
27
947
Neonatal Epidemiology
Newborn Medicine
Evidence Based Medicine
Health Services Research
Rankings
Ranking Based On Selection: 54
Joseph Rujumba
Metrics
H-Index
i10 Index
Citation Counts
18
25
979
child health
Adolescent Health
maternal health
social determinants of health
qualitative research & Implementation Research
Rankings
Ranking Based On Selection: 55
Charles Okwundu
Metrics
H-Index
i10 Index
Citation Counts
18
23
1,594
Rankings
Ranking Based On Selection: 56
Ute Feucht
Metrics
H-Index
i10 Index
Citation Counts
18
26
1,021
Child health
Paediatric HIV
PMTCT
stillbirths
fetal growth restriction
Rankings
Ranking Based On Selection: 57
Akwagiobe Friday Odey
Metrics
H-Index
i10 Index
Citation Counts
18
29
1,119
Rankings
Ranking Based On Selection: 58
Francis Onyango
Metrics
H-Index
i10 Index
Citation Counts
18
23
3,065
Rankings
Ranking Based On Selection: 59
Bankole Peter Kuti
Metrics
H-Index
i10 Index
Citation Counts
17
26
1,197
Paediatric Respiratory Diseases
Lung Function Test
Bronchoscopy
Rankings
Ranking Based On Selection: 60
Tomas Yeheyis
Metrics
H-Index
i10 Index
Citation Counts
17
20
18,511
Rankings
Ranking Based On Selection: 61
Beckie Tagbo
Metrics
H-Index
i10 Index
Citation Counts
17
27
1,037
Child health
Vaccinology
Paediatrics
Vaccine Clinical Trials
Infectious Diseases
Rankings
Ranking Based On Selection: 62
Zeinab Awad El Sayed
Metrics
H-Index
i10 Index
Citation Counts
17
25
1,329
Rankings
Ranking Based On Selection: 63
Kotb Metwalley
Metrics
H-Index
i10 Index
Citation Counts
17
33
891
Rankings
Ranking Based On Selection: 64
Benedict Edelu
Metrics
H-Index
i10 Index
Citation Counts
17
23
730
Rankings
Ranking Based On Selection: 65
Michael C Harrison
Metrics
H-Index
i10 Index
Citation Counts
17
22
1,848
Rankings
Ranking Based On Selection: 66
Karima Sobhy
Metrics
H-Index
i10 Index
Citation Counts
17
27
832
Rankings
Ranking Based On Selection: 67
May Nassar
Metrics
H-Index
i10 Index
Citation Counts
17
21
775
Rankings
Ranking Based On Selection: 68
philip abiodun
Metrics
H-Index
i10 Index
Citation Counts
17
22
1,200
Rankings
Ranking Based On Selection: 69
Nemat Hashem
Metrics
H-Index
i10 Index
Citation Counts
17
21
1,932
Rankings
Ranking Based On Selection: 70
Chishala Chabala
Metrics
H-Index
i10 Index
Citation Counts
16
22
1,148
Rankings
Ranking Based On Selection: 71
Henok Tadele
Metrics
H-Index
i10 Index
Citation Counts
16
20
1,024
Rankings
Ranking Based On Selection: 73
Shereen Reda
Metrics
H-Index
i10 Index
Citation Counts
16
22
1,856
Rankings
Ranking Based On Selection: 74
Hanan Elsayed
Metrics
H-Index
i10 Index
Citation Counts
16
20
698
Rankings
Ranking Based On Selection: 75
Rabah M Shawky
Metrics
H-Index
i10 Index
Citation Counts
16
23
1,427
Rankings
Ranking Based On Selection: 76
Alan Horn
Metrics
H-Index
i10 Index
Citation Counts
16
19
827
Rankings
Ranking Based On Selection: 77
Ahmad Naiem
Metrics
H-Index
i10 Index
Citation Counts
16
25
954
Rankings
Ranking Based On Selection: 78
Charles E. Effiong
Metrics
H-Index
i10 Index
Citation Counts
16
19
744
Rankings
Ranking Based On Selection: 79
Vivian Paintsil
Metrics
H-Index
i10 Index
Citation Counts
15
21
1,042
Rankings
Ranking Based On Selection: 80
Jacquie Oliwa
Metrics
H-Index
i10 Index
Citation Counts
15
17
830
Rankings
Ranking Based On Selection: 81
Maduka Ughasoro
Metrics
H-Index
i10 Index
Citation Counts
15
26
1,413
Rankings
Ranking Based On Selection: 82
Abdulkadir Mohammed Baba
Metrics
H-Index
i10 Index
Citation Counts
15
19
586
Rankings
Ranking Based On Selection: 83
Helga Naburi
Metrics
H-Index
i10 Index
Citation Counts
15
18
996
Rankings
Ranking Based On Selection: 85
Mostafa El Hodhod
Metrics
H-Index
i10 Index
Citation Counts
15
20
891
Rankings
Ranking Based On Selection: 86
Magdy Zedan
Metrics
H-Index
i10 Index
Citation Counts
15
19
757
Rankings
Ranking Based On Selection: 87
Fathima Naby
Metrics
H-Index
i10 Index
Citation Counts
14
16
1,454
hospital acquired infections
infectious disease surveillance
antimicrobial stewardship
Rankings
Ranking Based On Selection: 88
Neveen Abou El Soud
Metrics
H-Index
i10 Index
Citation Counts
14
16
1,308
Herbal Medicine
Nutrition
Diabetes
Complementary Medicine
Pediatrics
Rankings
Ranking Based On Selection: 89
Hekma Farghaly
Metrics
H-Index
i10 Index
Citation Counts
14
17
713
Rankings
Ranking Based On Selection: 90
Beatrice Odongkara
Metrics
H-Index
i10 Index
Citation Counts
14
16
475
Rankings
Ranking Based On Selection: 91
Steve Innes
Metrics
H-Index
i10 Index
Citation Counts
14
20
1,381
Paediatric HIV in Southern Africa
specifically metabolic complications
Rankings
Ranking Based On Selection: 92
John Maina Ngugi
Metrics
H-Index
i10 Index
Citation Counts
14
18
798
Rankings
Ranking Based On Selection: 93
Joy C Ebenebe
Metrics
H-Index
i10 Index
Citation Counts
14
16
706
Community and Social Paediatrics
Breastfeeding Medicine
Adolescent Health
Paediatric Nephrology
Rankings
Ranking Based On Selection: 94
Collins John
Metrics
H-Index
i10 Index
Citation Counts
14
16
682
Gastroenterology Hepatology and Nutrition/General Paediatrics
Rankings
Ranking Based On Selection: 95
Azza Youssef
Metrics
H-Index
i10 Index
Citation Counts
14
21
927
Rankings
Ranking Based On Selection: 96
Hm Ahmed
Metrics
H-Index
i10 Index
Citation Counts
14
20
710
Rankings
Ranking Based On Selection: 97
Lobna Sherif
Metrics
H-Index
i10 Index
Citation Counts
14
18
519
Rankings
Ranking Based On Selection: 98
Mary Shilalukey Ngoma
Metrics
H-Index
i10 Index
Citation Counts
14
17
775
Paediatric infections
newborn
HIV and AIDS
clinical neuropsychology
Rankings
Ranking Based On Selection: 100
Dalia Helmy El Ghoneimy
Metrics
H-Index
i10 Index
Citation Counts
13
19
1,059