Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
* Total i10 Index Rankings
World Rank
104,397
Country Rank
474
Institution Rank : 57
![](https://cdn.adscientificindex.com/logos/11498.jpg)
![South Africa](/flags/za.png)
![Mohammed Tikly](https://cdn.adscientificindex.com/pictures/38/94814.jpg)
Rheumatic diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
104
73
0.702
* Total i10 Index Rankings
World Rank
104,833
Country Rank
476
Institution Rank : 41
![](https://cdn.adscientificindex.com/logos/11299.jpg)
![South Africa](/flags/za.png)
![Alan Guthrie](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
104
56
0.538
* Total i10 Index Rankings
World Rank
104,834
Country Rank
477
Institution Rank : 63
![](https://cdn.adscientificindex.com/logos/8529.jpg)
![South Africa](/flags/za.png)
![Anna-Maria Botha Oberholster](https://cdn.adscientificindex.com/pictures/f1/104072.jpg)
Biotic and Abiotic stress
Genomics
Bread wheat
Aphid and Drought
DNA methylation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
104
56
0.538
* Total i10 Index Rankings
World Rank
105,618
Country Rank
482
Institution Rank : 47
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Petra Brysiewicz](https://cdn.adscientificindex.com/pictures/0e/88871.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
103
86
0.835
* Total i10 Index Rankings
World Rank
105,932
Country Rank
485
Institution Rank : 48
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Moses Chimbari](/user/assets/images/profile/no-profile-photo.png)
health sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
103
75
0.728
* Total i10 Index Rankings
World Rank
106,789
Country Rank
487
Institution Rank : 109
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Jennifer Thomson](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
103
26
0.252
* Total i10 Index Rankings
World Rank
106,877
Country Rank
488
Institution Rank : 64
![](https://cdn.adscientificindex.com/logos/8529.jpg)
![South Africa](/flags/za.png)
![Grant Theron](https://cdn.adscientificindex.com/pictures/2a/98403.jpg)
Tuberculosis
Diagnostics
Transmission Dynamics
Drug resistance
Microbiome
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
102
98
0.961
* Total i10 Index Rankings
World Rank
107,613
Country Rank
492
Institution Rank : 58
![](https://cdn.adscientificindex.com/logos/11498.jpg)
![South Africa](/flags/za.png)
![Sergio Carmona](https://cdn.adscientificindex.com/pictures/93/90457.jpg)
COVID19
diagnostics
HIV drug resistance
HIV epidemiology
Public Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
102
73
0.716
* Total i10 Index Rankings
World Rank
107,887
Country Rank
493
Institution Rank : 112
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Rodney Ehrlich](/user/assets/images/profile/no-profile-photo.png)
Occupational and environmental health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
102
63
0.618
* Total i10 Index Rankings
World Rank
108,887
Country Rank
496
Institution Rank : 50
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Ademola Olufolahan Olaniran](/user/assets/images/profile/no-profile-photo.png)
Environmental biotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
101
85
0.842
* Total i10 Index Rankings
World Rank
108,917
Country Rank
497
Institution Rank : 113
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Julia H. Goedecke](https://cdn.adscientificindex.com/pictures/0c/100555.jpg)
Diabetes
Obesity
ethnicity
insulin sensitivity
Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
101
84
0.832
* Total i10 Index Rankings
World Rank
109,020
Country Rank
498
Institution Rank : 67
![](https://cdn.adscientificindex.com/logos/8529.jpg)
![South Africa](/flags/za.png)
![Stefan Du Plessis](/user/assets/images/profile/no-profile-photo.png)
Spermatology
Andrology
reproduction
physiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
101
81
0.802
* Total i10 Index Rankings
World Rank
109,371
Country Rank
502
Institution Rank : 68
![](https://cdn.adscientificindex.com/logos/8529.jpg)
![South Africa](/flags/za.png)
![Tonya Marianne Esterhuizen](https://cdn.adscientificindex.com/pictures/fc/91610.jpg)
Biostatistics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
101
70
0.693
* Total i10 Index Rankings
World Rank
109,769
Country Rank
503
Institution Rank : 35
![](https://cdn.adscientificindex.com/logos/11098.jpg)
![South Africa](/flags/za.png)
![Annemarie Avenant-Oldewage](https://cdn.adscientificindex.com/pictures/cf/104091.jpg)
Fish parasitology
metal accumulation
sentinel
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
101
55
0.545
* Total i10 Index Rankings
World Rank
110,073
Country Rank
507
Institution Rank : 43
![](https://cdn.adscientificindex.com/logos/11299.jpg)
![South Africa](/flags/za.png)
![Anwar Hoosen](/user/assets/images/profile/no-profile-photo.png)
infectious diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
101
36
0.356
* Total i10 Index Rankings
World Rank
111,093
Country Rank
512
Institution Rank : 117
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Karen Barnes](https://cdn.adscientificindex.com/pictures/5e/100742.jpg)
Malaria
Clinical Pharmacology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
100
68
0.680
* Total i10 Index Rankings
World Rank
111,737
Country Rank
515
Institution Rank : 119
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Donald A Hudson](/user/assets/images/profile/no-profile-photo.png)
plastic surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
100
40
0.400
* Total i10 Index Rankings
World Rank
112,271
Country Rank
518
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/2675.jpg)
![South Africa](/flags/za.png)
![Remco Peters](/user/assets/images/profile/no-profile-photo.png)
Infectious diseases
sexually transmitted infections
HIV
tuberculosis
ocular disease
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
99
84
0.848
* Total i10 Index Rankings
World Rank
113,141
Country Rank
523
Institution Rank : 120
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Clive Gray](https://cdn.adscientificindex.com/pictures/e3/105874.jpg)
Immunology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
99
55
0.556
* Total i10 Index Rankings
World Rank
113,415
Country Rank
526
Institution Rank : 46
![](https://cdn.adscientificindex.com/logos/11299.jpg)
![South Africa](/flags/za.png)
![Connie Medlen / Cej Van Rensburg](https://cdn.adscientificindex.com/pictures/a5/105916.jpg)
Pharmacology
Immunology
drug development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
99
41
0.414
* Total i10 Index Rankings
World Rank
113,450
Country Rank
527
Institution Rank : 60
![](https://cdn.adscientificindex.com/logos/11498.jpg)
![South Africa](/flags/za.png)
![Claire Penn](https://cdn.adscientificindex.com/pictures/4f/105839.jpg)
Health communication
HIV/AIDS
Qualitative research
Aphasia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
99
39
0.394
* Total i10 Index Rankings
World Rank
115,928
Country Rank
544
Institution Rank : 53
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Timothy Hardcastle](/user/assets/images/profile/no-profile-photo.png)
Trauma and Intensive Care
Trauma systems
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
97
79
0.814
* Total i10 Index Rankings
World Rank
117,482
Country Rank
554
Institution Rank : 123
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Anthony Figaji](/user/assets/images/profile/no-profile-photo.png)
Pediatric neurosurgery
brain injury
brain tumor
cerebral pathophysiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
96
85
0.885
* Total i10 Index Rankings
World Rank
117,682
Country Rank
556
Institution Rank : 49
![](https://cdn.adscientificindex.com/logos/11299.jpg)
![South Africa](/flags/za.png)
![Peter N Thompson](https://cdn.adscientificindex.com/pictures/14/88838.jpg)
Veterinary epidemiology
Animal diseases
Zoonotic diseases
Veterinary medicine
Infectious diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
96
80
0.833
* Total i10 Index Rankings
World Rank
120,927
Country Rank
571
Institution Rank : 65
![](https://cdn.adscientificindex.com/logos/11498.jpg)
![South Africa](/flags/za.png)
![Sally Archibald](https://cdn.adscientificindex.com/pictures/40/90002.jpg)
Savanna ecology
global change
fire ecology
vegetation dynamics
earth-system feedbacks
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
94
92
0.979
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
104,397
![South Africa](/flags/za.png)
474
![](https://cdn.adscientificindex.com/logos/11498.jpg)
57
Mohammed Tikly
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
104
73
0.702
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
104,833
![South Africa](/flags/za.png)
476
![](https://cdn.adscientificindex.com/logos/11299.jpg)
41
Alan Guthrie
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
104
56
0.538
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
104,834
![South Africa](/flags/za.png)
477
![](https://cdn.adscientificindex.com/logos/8529.jpg)
63
Anna-Maria Botha Oberholster
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
104
56
0.538
![](https://cdn.adscientificindex.com/logos/8529.jpg)
Biotic and Abiotic stress
Genomics
Bread wheat
Aphid and Drought
DNA methylation
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
105,618
![South Africa](/flags/za.png)
482
![](https://cdn.adscientificindex.com/logos/11125.png)
47
Petra Brysiewicz
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
103
86
0.835
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
105,932
![South Africa](/flags/za.png)
485
![](https://cdn.adscientificindex.com/logos/11125.png)
48
Moses Chimbari
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
103
75
0.728
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
106,789
![South Africa](/flags/za.png)
487
![](https://cdn.adscientificindex.com/logos/10906.jpg)
109
Jennifer Thomson
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
103
26
0.252
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
106,877
![South Africa](/flags/za.png)
488
![](https://cdn.adscientificindex.com/logos/8529.jpg)
64
Grant Theron
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
102
98
0.961
![](https://cdn.adscientificindex.com/logos/8529.jpg)
Tuberculosis
Diagnostics
Transmission Dynamics
Drug resistance
Microbiome
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
107,613
![South Africa](/flags/za.png)
492
![](https://cdn.adscientificindex.com/logos/11498.jpg)
58
Sergio Carmona
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
102
73
0.716
![](https://cdn.adscientificindex.com/logos/11498.jpg)
COVID19
diagnostics
HIV drug resistance
HIV epidemiology
Public Health
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
107,887
![South Africa](/flags/za.png)
493
![](https://cdn.adscientificindex.com/logos/10906.jpg)
112
Rodney Ehrlich
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
102
63
0.618
![](https://cdn.adscientificindex.com/logos/10906.jpg)
Occupational and environmental health
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
108,887
![South Africa](/flags/za.png)
496
![](https://cdn.adscientificindex.com/logos/11125.png)
50
Ademola Olufolahan Olaniran
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
101
85
0.842
![](https://cdn.adscientificindex.com/logos/11125.png)
Environmental biotechnology
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
108,917
![South Africa](/flags/za.png)
497
![](https://cdn.adscientificindex.com/logos/10906.jpg)
113
Julia H. Goedecke
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
101
84
0.832
![](https://cdn.adscientificindex.com/logos/10906.jpg)
Diabetes
Obesity
ethnicity
insulin sensitivity
Africa
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
109,020
![South Africa](/flags/za.png)
498
![](https://cdn.adscientificindex.com/logos/8529.jpg)
67
Stefan Du Plessis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
101
81
0.802
![](https://cdn.adscientificindex.com/logos/8529.jpg)
Spermatology
Andrology
reproduction
physiology
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
109,371
![South Africa](/flags/za.png)
502
![](https://cdn.adscientificindex.com/logos/8529.jpg)
68
Tonya Marianne Esterhuizen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
101
70
0.693
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
109,769
![South Africa](/flags/za.png)
503
![](https://cdn.adscientificindex.com/logos/11098.jpg)
35
Annemarie Avenant-Oldewage
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
101
55
0.545
![](https://cdn.adscientificindex.com/logos/11098.jpg)
Fish parasitology
metal accumulation
sentinel
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
110,073
![South Africa](/flags/za.png)
507
![](https://cdn.adscientificindex.com/logos/11299.jpg)
43
Anwar Hoosen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
101
36
0.356
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
111,093
![South Africa](/flags/za.png)
512
![](https://cdn.adscientificindex.com/logos/10906.jpg)
117
Karen Barnes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
100
68
0.680
![](https://cdn.adscientificindex.com/logos/10906.jpg)
Malaria
Clinical Pharmacology
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
111,737
![South Africa](/flags/za.png)
515
![](https://cdn.adscientificindex.com/logos/10906.jpg)
119
Donald A Hudson
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
100
40
0.400
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
112,271
![South Africa](/flags/za.png)
518
![](https://cdn.adscientificindex.com/logos/2675.jpg)
1
Remco Peters
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
99
84
0.848
![](https://cdn.adscientificindex.com/logos/2675.jpg)
Infectious diseases
sexually transmitted infections
HIV
tuberculosis
ocular disease
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
113,141
![South Africa](/flags/za.png)
523
![](https://cdn.adscientificindex.com/logos/10906.jpg)
120
Clive Gray
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
99
55
0.556
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
113,415
![South Africa](/flags/za.png)
526
![](https://cdn.adscientificindex.com/logos/11299.jpg)
46
Connie Medlen / Cej Van Rensburg
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
99
41
0.414
![](https://cdn.adscientificindex.com/logos/11299.jpg)
Pharmacology
Immunology
drug development
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
113,450
![South Africa](/flags/za.png)
527
![](https://cdn.adscientificindex.com/logos/11498.jpg)
60
Claire Penn
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
99
39
0.394
![](https://cdn.adscientificindex.com/logos/11498.jpg)
Health communication
HIV/AIDS
Qualitative research
Aphasia
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
115,928
![South Africa](/flags/za.png)
544
![](https://cdn.adscientificindex.com/logos/11125.png)
53
Timothy Hardcastle
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
97
79
0.814
![](https://cdn.adscientificindex.com/logos/11125.png)
Trauma and Intensive Care
Trauma systems
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
117,482
![South Africa](/flags/za.png)
554
![](https://cdn.adscientificindex.com/logos/10906.jpg)
123
Anthony Figaji
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
96
85
0.885
![](https://cdn.adscientificindex.com/logos/10906.jpg)
Pediatric neurosurgery
brain injury
brain tumor
cerebral pathophysiology
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
117,682
![South Africa](/flags/za.png)
556
![](https://cdn.adscientificindex.com/logos/11299.jpg)
49
Peter N Thompson
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
96
80
0.833
![](https://cdn.adscientificindex.com/logos/11299.jpg)
Veterinary epidemiology
Animal diseases
Zoonotic diseases
Veterinary medicine
Infectious diseases
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
120,927
![South Africa](/flags/za.png)
571
![](https://cdn.adscientificindex.com/logos/11498.jpg)
65
Sally Archibald
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
94
92
0.979
![](https://cdn.adscientificindex.com/logos/11498.jpg)
Savanna ecology
global change
fire ecology
vegetation dynamics
earth-system feedbacks