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
149,099
Country Rank
722
Institution Rank : 157
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Theodor Stewart](/user/assets/images/profile/no-profile-photo.png)
operational research
decision analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
82
45
0.549
* Total i10 Index Rankings
World Rank
331,118
Country Rank
1,799
Institution Rank : 192
![](https://cdn.adscientificindex.com/logos/11498.jpg)
![South Africa](/flags/za.png)
![Benjamin Rosman](https://cdn.adscientificindex.com/pictures/7f/104973.jpg)
Robotics
Artificial Intelligence
Machine Learning
Decision Making
Reinforcement Learning
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
37
0.881
* Total i10 Index Rankings
World Rank
476,432
Country Rank
2,669
Institution Rank : 275
![](https://cdn.adscientificindex.com/logos/11299.jpg)
![South Africa](/flags/za.png)
![Aletta C Erasmus](https://cdn.adscientificindex.com/pictures/d4/103412.jpg)
consumer behaviour
complex decision-making
service quality
consumer involvement
consumer/ customerr satisfaction
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
18
0.621
* Total i10 Index Rankings
World Rank
494,541
Country Rank
2,774
Institution Rank : 296
![](https://cdn.adscientificindex.com/logos/11299.jpg)
![South Africa](/flags/za.png)
![Kerstin Jordaan](https://cdn.adscientificindex.com/pictures/4a/5724682.jpg)
Special Functions and Orthogonal polynomials
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
9
0.321
* Total i10 Index Rankings
World Rank
504,980
Country Rank
2,829
Institution Rank : 147
![](https://cdn.adscientificindex.com/logos/6427.png)
![South Africa](/flags/za.png)
![Hennie Kruger](https://cdn.adscientificindex.com/pictures/06/99009.jpg)
Information Security
Decision Support Systems
Operations Research
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
19
0.704
* Total i10 Index Rankings
World Rank
552,966
Country Rank
3,084
Institution Rank : 86
![](https://cdn.adscientificindex.com/logos/11472.jpg)
![South Africa](/flags/za.png)
![Delson Chikobvu](https://cdn.adscientificindex.com/pictures/11/106239.jpg)
Decision Sciences
Statistics
Econometrics
Mathematical Finance
Energy Forecasting
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
19
0.792
* Total i10 Index Rankings
World Rank
575,213
Country Rank
3,211
Institution Rank : 118
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![MK Luhandjula](/user/assets/images/profile/no-profile-photo.png)
Optimization
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
14
0.609
* Total i10 Index Rankings
World Rank
601,994
Country Rank
3,365
Institution Rank : 541
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Eugene Lee Davids](https://cdn.adscientificindex.com/pictures/f3/97336.jpg)
Adolescence
Adolescent Health
Decision-making
Emerging adulthood
Social determinants of health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
21
1.000
* Total i10 Index Rankings
World Rank
770,343
Country Rank
4,385
Institution Rank : 178
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Willem Fouche](/user/assets/images/profile/no-profile-photo.png)
Computational Complexity
Fractal geometry
Ramsey theory
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
2
0.133
* Total i10 Index Rankings
World Rank
788,881
Country Rank
4,497
Institution Rank : 458
![](https://cdn.adscientificindex.com/logos/11299.jpg)
![South Africa](/flags/za.png)
![Marita Turpin](/user/assets/images/profile/no-profile-photo.png)
systems thinking
decision-making
ICT4D
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
10
0.714
* Total i10 Index Rankings
World Rank
830,264
Country Rank
4,799
Institution Rank : 202
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Ilsa Basson](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
4
0.308
* Total i10 Index Rankings
World Rank
838,634
Country Rank
4,839
Institution Rank : 338
![](https://cdn.adscientificindex.com/logos/11098.jpg)
![South Africa](/flags/za.png)
![Joash Mageto](/user/assets/images/profile/no-profile-photo.png)
Logistics outsourcing
supply chain management
mixed methods
structural equation modelling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
* Total i10 Index Rankings
World Rank
856,465
Country Rank
4,980
Institution Rank : 217
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Petrus H Potgieter](/user/assets/images/profile/no-profile-photo.png)
Mathematical modelling / Computing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
8
0.667
* Total i10 Index Rankings
World Rank
861,832
Country Rank
5,026
Institution Rank : 735
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Leanne Scott](https://cdn.adscientificindex.com/pictures/ff/101392.jpg)
Operational Research
Multi-Criteria Decision Analysis
Decision Modelling
Gambling Research
Environmental and Resource Manage
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
5
0.417
* Total i10 Index Rankings
World Rank
885,930
Country Rank
5,186
Institution Rank : 508
![](https://cdn.adscientificindex.com/logos/11498.jpg)
![South Africa](/flags/za.png)
![Bernadette Sunjka](/user/assets/images/profile/no-profile-photo.png)
Supply Chain Risk Management
Project Management
SMEs
Systems Engineering Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
9
0.818
* Total i10 Index Rankings
World Rank
890,137
Country Rank
5,225
Institution Rank : 592
![](https://cdn.adscientificindex.com/logos/8529.jpg)
![South Africa](/flags/za.png)
![Joubert Van Eeden](https://cdn.adscientificindex.com/pictures/a4/4643688.jpg)
Supply Chain Planning
Macro-logistics
Sustainable Freight Transport
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
8
0.727
* Total i10 Index Rankings
World Rank
967,310
Country Rank
5,904
Institution Rank : 96
![](https://cdn.adscientificindex.com/logos/1205.png)
![South Africa](/flags/za.png)
![Stanley Fore](/user/assets/images/profile/no-profile-photo.png)
Project Management
Manufacturing Systems
Operations Management
Business Process Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778
* Total i10 Index Rankings
World Rank
979,196
Country Rank
6,038
Institution Rank : 582
![](https://cdn.adscientificindex.com/logos/11299.jpg)
![South Africa](/flags/za.png)
![Wilna L Bean](https://cdn.adscientificindex.com/pictures/14/4638465.jpg)
Supply chain optimisation
Operations research
Simulation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
4
0.444
* Total i10 Index Rankings
World Rank
989,173
Country Rank
6,128
Institution Rank : 14
![](https://cdn.adscientificindex.com/logos/8226.png)
![South Africa](/flags/za.png)
![Osayuwamen Omoruyi](https://cdn.adscientificindex.com/pictures/ec/4642754.jpg)
Logistics and Supply Chain Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
* Total i10 Index Rankings
World Rank
1,079,528
Country Rank
7,019
Institution Rank : 761
![](https://cdn.adscientificindex.com/logos/8529.jpg)
![South Africa](/flags/za.png)
![Stephan E Visagie](https://cdn.adscientificindex.com/pictures/8a/4644254.jpg)
Operations Research
Mathematical Programming
Metaheuristics
DC optimization
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
3
0.429
* Total i10 Index Rankings
World Rank
1,088,731
Country Rank
7,131
Institution Rank : 550
![](https://cdn.adscientificindex.com/logos/11098.jpg)
![South Africa](/flags/za.png)
![Peter Kilbourn](/user/assets/images/profile/no-profile-photo.png)
Logistics and supply chain management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
* Total i10 Index Rankings
World Rank
1,101,845
Country Rank
7,262
Institution Rank : 567
![](https://cdn.adscientificindex.com/logos/11098.jpg)
![South Africa](/flags/za.png)
![Charles Sambil Mukwakungu](https://cdn.adscientificindex.com/pictures/25/4642837.jpg)
Lean Operations
Continuous Improvement
Quality Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
* Total i10 Index Rankings
World Rank
1,156,706
Country Rank
7,840
Institution Rank : 594
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Thokozanl Patmond Mbhele](https://cdn.adscientificindex.com/pictures/0f/4641715.jpg)
Sustainability and Resilience in SCM
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
* Total i10 Index Rankings
World Rank
1,156,760
Country Rank
7,841
Institution Rank : 134
![](https://cdn.adscientificindex.com/logos/1205.png)
![South Africa](/flags/za.png)
![Zinzi Nxopo, Zinzi Magoda](https://cdn.adscientificindex.com/pictures/81/4642500.jpg)
Marketing
Operations Management
Quality and Entrepreneurship
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
* Total i10 Index Rankings
World Rank
1,227,571
Country Rank
8,626
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/15233.png)
![South Africa](/flags/za.png)
![Arno Meyer](https://cdn.adscientificindex.com/pictures/66/4353127.jpg)
Supply chain management
Risk
Resilience
Business management
Strategy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
149,099
![South Africa](/flags/za.png)
722
![](https://cdn.adscientificindex.com/logos/10906.jpg)
157
Theodor Stewart
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
82
45
0.549
![](https://cdn.adscientificindex.com/logos/10906.jpg)
operational research
decision analysis
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
331,118
![South Africa](/flags/za.png)
1,799
![](https://cdn.adscientificindex.com/logos/11498.jpg)
192
Benjamin Rosman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
37
0.881
![](https://cdn.adscientificindex.com/logos/11498.jpg)
Robotics
Artificial Intelligence
Machine Learning
Decision Making
Reinforcement Learning
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
476,432
![South Africa](/flags/za.png)
2,669
![](https://cdn.adscientificindex.com/logos/11299.jpg)
275
Aletta C Erasmus
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
18
0.621
![](https://cdn.adscientificindex.com/logos/11299.jpg)
consumer behaviour
complex decision-making
service quality
consumer involvement
consumer/ customerr satisfaction
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
494,541
![South Africa](/flags/za.png)
2,774
![](https://cdn.adscientificindex.com/logos/11299.jpg)
296
Kerstin Jordaan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
9
0.321
![](https://cdn.adscientificindex.com/logos/11299.jpg)
Special Functions and Orthogonal polynomials
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
504,980
![South Africa](/flags/za.png)
2,829
![](https://cdn.adscientificindex.com/logos/6427.png)
147
Hennie Kruger
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
19
0.704
![](https://cdn.adscientificindex.com/logos/6427.png)
Information Security
Decision Support Systems
Operations Research
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
552,966
![South Africa](/flags/za.png)
3,084
![](https://cdn.adscientificindex.com/logos/11472.jpg)
86
Delson Chikobvu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
19
0.792
![](https://cdn.adscientificindex.com/logos/11472.jpg)
Decision Sciences
Statistics
Econometrics
Mathematical Finance
Energy Forecasting
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
575,213
![South Africa](/flags/za.png)
3,211
![](https://cdn.adscientificindex.com/logos/11384.jpg)
118
MK Luhandjula
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
14
0.609
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
601,994
![South Africa](/flags/za.png)
3,365
![](https://cdn.adscientificindex.com/logos/10906.jpg)
541
Eugene Lee Davids
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
21
1.000
![](https://cdn.adscientificindex.com/logos/10906.jpg)
Adolescence
Adolescent Health
Decision-making
Emerging adulthood
Social determinants of health
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
770,343
![South Africa](/flags/za.png)
4,385
![](https://cdn.adscientificindex.com/logos/11384.jpg)
178
Willem Fouche
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
2
0.133
![](https://cdn.adscientificindex.com/logos/11384.jpg)
Computational Complexity
Fractal geometry
Ramsey theory
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
788,881
![South Africa](/flags/za.png)
4,497
![](https://cdn.adscientificindex.com/logos/11299.jpg)
458
Marita Turpin
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
10
0.714
![](https://cdn.adscientificindex.com/logos/11299.jpg)
systems thinking
decision-making
ICT4D
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
830,264
![South Africa](/flags/za.png)
4,799
![](https://cdn.adscientificindex.com/logos/11384.jpg)
202
Ilsa Basson
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
4
0.308
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
838,634
![South Africa](/flags/za.png)
4,839
![](https://cdn.adscientificindex.com/logos/11098.jpg)
338
Joash Mageto
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
![](https://cdn.adscientificindex.com/logos/11098.jpg)
Logistics outsourcing
supply chain management
mixed methods
structural equation modelling
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
856,465
![South Africa](/flags/za.png)
4,980
![](https://cdn.adscientificindex.com/logos/11384.jpg)
217
Petrus H Potgieter
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
8
0.667
![](https://cdn.adscientificindex.com/logos/11384.jpg)
Mathematical modelling / Computing
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
861,832
![South Africa](/flags/za.png)
5,026
![](https://cdn.adscientificindex.com/logos/10906.jpg)
735
Leanne Scott
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
5
0.417
![](https://cdn.adscientificindex.com/logos/10906.jpg)
Operational Research
Multi-Criteria Decision Analysis
Decision Modelling
Gambling Research
Environmental and Resource Manage
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
885,930
![South Africa](/flags/za.png)
5,186
![](https://cdn.adscientificindex.com/logos/11498.jpg)
508
Bernadette Sunjka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
9
0.818
![](https://cdn.adscientificindex.com/logos/11498.jpg)
Supply Chain Risk Management
Project Management
SMEs
Systems Engineering Management
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
890,137
![South Africa](/flags/za.png)
5,225
![](https://cdn.adscientificindex.com/logos/8529.jpg)
592
Joubert Van Eeden
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
8
0.727
![](https://cdn.adscientificindex.com/logos/8529.jpg)
Supply Chain Planning
Macro-logistics
Sustainable Freight Transport
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
967,310
![South Africa](/flags/za.png)
5,904
![](https://cdn.adscientificindex.com/logos/1205.png)
96
Stanley Fore
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778
![](https://cdn.adscientificindex.com/logos/1205.png)
Project Management
Manufacturing Systems
Operations Management
Business Process Management
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
979,196
![South Africa](/flags/za.png)
6,038
![](https://cdn.adscientificindex.com/logos/11299.jpg)
582
Wilna L Bean
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
4
0.444
![](https://cdn.adscientificindex.com/logos/11299.jpg)
Supply chain optimisation
Operations research
Simulation
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
989,173
![South Africa](/flags/za.png)
6,128
![](https://cdn.adscientificindex.com/logos/8226.png)
14
Osayuwamen Omoruyi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
![](https://cdn.adscientificindex.com/logos/8226.png)
Logistics and Supply Chain Management
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,079,528
![South Africa](/flags/za.png)
7,019
![](https://cdn.adscientificindex.com/logos/8529.jpg)
761
Stephan E Visagie
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
3
0.429
![](https://cdn.adscientificindex.com/logos/8529.jpg)
Operations Research
Mathematical Programming
Metaheuristics
DC optimization
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,088,731
![South Africa](/flags/za.png)
7,131
![](https://cdn.adscientificindex.com/logos/11098.jpg)
550
Peter Kilbourn
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
![](https://cdn.adscientificindex.com/logos/11098.jpg)
Logistics and supply chain management
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,101,845
![South Africa](/flags/za.png)
7,262
![](https://cdn.adscientificindex.com/logos/11098.jpg)
567
Charles Sambil Mukwakungu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
![](https://cdn.adscientificindex.com/logos/11098.jpg)
Lean Operations
Continuous Improvement
Quality Management
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,156,706
![South Africa](/flags/za.png)
7,840
![](https://cdn.adscientificindex.com/logos/11125.png)
594
Thokozanl Patmond Mbhele
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
![](https://cdn.adscientificindex.com/logos/11125.png)
Sustainability and Resilience in SCM
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,156,760
![South Africa](/flags/za.png)
7,841
![](https://cdn.adscientificindex.com/logos/1205.png)
134
Zinzi Nxopo, Zinzi Magoda
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
![](https://cdn.adscientificindex.com/logos/1205.png)
Marketing
Operations Management
Quality and Entrepreneurship
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,227,571
![South Africa](/flags/za.png)
8,626
![](https://cdn.adscientificindex.com/logos/15233.png)
1
Arno Meyer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
![](https://cdn.adscientificindex.com/logos/15233.png)
Supply chain management
Risk
Resilience
Business management
Strategy