Citation Rankings
Highly Cited Researchers

Business & Management Highly Cited Researchers 92 Scientists Citation in South Africa Rankings - 2025

The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.

* Total Citation Counts Rankings
Ranking Based On Selection: 1
South Africa
Theodor Stewart
operational research
decision analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,328
3,648
0.255
* Total Citation Counts Rankings
Ranking Based On Selection: 2
South Africa
Eugene Lee Davids
Adolescence
Adolescent Health
Decision-making
Emerging adulthood
Social determinants of health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,663
2,102
0.789
* Total Citation Counts Rankings
Ranking Based On Selection: 4
South Africa
Benjamin Rosman
Robotics
Artificial Intelligence
Machine Learning
Decision Making
Reinforcement Learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,045
1,518
0.742
* Total Citation Counts Rankings
Ranking Based On Selection: 5
South Africa
Hennie Kruger
Information Security
Decision Support Systems
Operations Research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,843
856
0.464
* Total Citation Counts Rankings
Ranking Based On Selection: 6
South Africa
Aletta C Erasmus
consumer behaviour
complex decision-making
service quality
consumer involvement
consumer/ customerr satisfaction
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,391
556
0.400
* Total Citation Counts Rankings
Ranking Based On Selection: 7
South Africa
Delson Chikobvu
Decision Sciences
Statistics
Econometrics
Mathematical Finance
Energy Forecasting
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,005
665
0.662
* Total Citation Counts Rankings
Ranking Based On Selection: 8
South Africa
Marita Turpin
systems thinking
decision-making
ICT4D
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
812
538
0.663
* Total Citation Counts Rankings
Ranking Based On Selection: 9
South Africa
Kerstin Jordaan
Special Functions and Orthogonal polynomials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
710
343
0.483

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* Total Citation Counts Rankings
Ranking Based On Selection: 10
South Africa
Leanne Scott
Operational Research
Multi-Criteria Decision Analysis
Decision Modelling
Gambling Research
Environmental and Resource Manage
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
631
114
0.181
* Total Citation Counts Rankings
Ranking Based On Selection: 11
South Africa
Petrus H Potgieter
Mathematical modelling / Computing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
617
467
0.757
* Total Citation Counts Rankings
Ranking Based On Selection: 13
South Africa
Hans Ittmann
Operations Research
Analytics
Supply Chain Management
Logistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
481
215
0.447
* Total Citation Counts Rankings
Ranking Based On Selection: 14
South Africa
Welby V Loury Okoumba
Supply chain performance
supply chain resilience
supply chain agility and warehousing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
474
355
0.749
* Total Citation Counts Rankings
Ranking Based On Selection: 15
South Africa
Joash Mageto
Logistics outsourcing
supply chain management
mixed methods
structural equation modelling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
453
416
0.918
* Total Citation Counts Rankings
Ranking Based On Selection: 16
South Africa
Willem Fouche
Computational Complexity
Fractal geometry
Ramsey theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
447
102
0.228
* Total Citation Counts Rankings
Ranking Based On Selection: 17
South Africa
Simone Smith-Godfrey
Maritime
Shipping
Logistics
Supply Chain
Value Chain
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
386
340
0.881
* Total Citation Counts Rankings
Ranking Based On Selection: 18
South Africa
Bernadette Sunjka
Supply Chain Risk Management
Project Management
SMEs
Systems Engineering Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
354
207
0.585
* Total Citation Counts Rankings
Ranking Based On Selection: 19
South Africa
Joubert Van Eeden
Supply Chain Planning
Macro-logistics
Sustainable Freight Transport
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
334
255
0.763
* Total Citation Counts Rankings
Ranking Based On Selection: 20
South Africa
Stanley Fore
Project Management
Manufacturing Systems
Operations Management
Business Process Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
322
150
0.466
* Total Citation Counts Rankings
Ranking Based On Selection: 21
South Africa
Peter Kilbourn
Logistics and supply chain management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
305
267
0.875
* Total Citation Counts Rankings
Ranking Based On Selection: 22
South Africa
Wilna L Bean
Supply chain optimisation
Operations research
Simulation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
273
149
0.546
* Total Citation Counts Rankings
Ranking Based On Selection: 23
South Africa
Osayuwamen Omoruyi
Logistics and Supply Chain Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
261
223
0.854
* Total Citation Counts Rankings
Ranking Based On Selection: 24
South Africa
Mamorena Lucia Matsoso
Supply chain management
performance measures
sustainable supply chain
entrepreneurship
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
257
187
0.728
* Total Citation Counts Rankings
Ranking Based On Selection: 25
South Africa
Stephan E Visagie
Operations Research
Mathematical Programming
Metaheuristics
DC optimization
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
232
107
0.461
* Total Citation Counts Rankings
Rankings
64,942
South Africa
222
44
Ranking Based On Selection: 1
Theodor Stewart
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,328
3,648
0.255
* Total Citation Counts Rankings
Rankings
361,822
South Africa
1,648
334
Ranking Based On Selection: 2
Eugene Lee Davids
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,663
2,102
0.789
Adolescence
Adolescent Health
Decision-making
Emerging adulthood
Social determinants of health
* Total Citation Counts Rankings
Rankings
403,147
South Africa
1,880
51
Ranking Based On Selection: 3
MK Luhandjula
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,312
282
0.122
* Total Citation Counts Rankings
Rankings
441,035
South Africa
2,091
227
Ranking Based On Selection: 4
Benjamin Rosman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,045
1,518
0.742
Robotics
Artificial Intelligence
Machine Learning
Decision Making
Reinforcement Learning
* Total Citation Counts Rankings
Rankings
474,372
South Africa
2,262
106
Ranking Based On Selection: 5
Hennie Kruger
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,843
856
0.464
Information Security
Decision Support Systems
Operations Research
* Total Citation Counts Rankings
Rankings
569,641
South Africa
2,820
275
Ranking Based On Selection: 6
Aletta C Erasmus
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,391
556
0.400
consumer behaviour
complex decision-making
service quality
consumer involvement
consumer/ customerr satisfaction
* Total Citation Counts Rankings
Rankings
685,160
South Africa
3,492
90
Ranking Based On Selection: 7
Delson Chikobvu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,005
665
0.662
Decision Sciences
Statistics
Econometrics
Mathematical Finance
Energy Forecasting
* Total Citation Counts Rankings
Rankings
761,212
South Africa
3,957
404
Ranking Based On Selection: 8
Marita Turpin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
812
538
0.663
* Total Citation Counts Rankings
Rankings
807,581
South Africa
4,240
431
Ranking Based On Selection: 9
Kerstin Jordaan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
710
343
0.483
* Total Citation Counts Rankings
Rankings
847,430
South Africa
4,498
693
Ranking Based On Selection: 10
Leanne Scott
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
631
114
0.181
Operational Research
Multi-Criteria Decision Analysis
Decision Modelling
Gambling Research
Environmental and Resource Manage

360° Institutional Performance & Benchmarking Click Here for Live Demo 

Gain data-driven strategic insights into your institution’s academic performance, global positioning, and competitive strengths through advanced analysis and benchmarking

with 20 similarly ranked institutions at City, Country, Region, and Global levels. 

* Total Citation Counts Rankings
Rankings
854,324
South Africa
4,546
190
Ranking Based On Selection: 11
Petrus H Potgieter
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
617
467
0.757
* Total Citation Counts Rankings
Rankings
902,922
South Africa
4,859
214
Ranking Based On Selection: 12
Ilsa Basson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
535
106
0.198
* Total Citation Counts Rankings
Rankings
945,961
South Africa
5,173
368
Ranking Based On Selection: 13
Hans Ittmann
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
481
215
0.447
Operations Research
Analytics
Supply Chain Management
Logistics
* Total Citation Counts Rankings
Rankings
951,758
South Africa
5,228
144
Ranking Based On Selection: 14
Welby V Loury Okoumba
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
474
355
0.749
Supply chain performance
supply chain resilience
supply chain agility and warehousing
* Total Citation Counts Rankings
Rankings
969,918
South Africa
5,390
391
Ranking Based On Selection: 15
Joash Mageto
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
453
416
0.918
Logistics outsourcing
supply chain management
mixed methods
structural equation modelling
* Total Citation Counts Rankings
Rankings
976,126
South Africa
5,448
271
Ranking Based On Selection: 16
Willem Fouche
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
447
102
0.228
* Total Citation Counts Rankings
Rankings
1,035,104
South Africa
5,937
137
Ranking Based On Selection: 17
Simone Smith-Godfrey
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
386
340
0.881
* Total Citation Counts Rankings
Rankings
1,070,336
South Africa
6,222
609
Ranking Based On Selection: 18
Bernadette Sunjka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
354
207
0.585
Supply Chain Risk Management
Project Management
SMEs
Systems Engineering Management
* Total Citation Counts Rankings
Rankings
1,093,736
South Africa
6,441
731
Ranking Based On Selection: 19
Joubert Van Eeden
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
334
255
0.763
Supply Chain Planning
Macro-logistics
Sustainable Freight Transport
* Total Citation Counts Rankings
Rankings
1,109,372
South Africa
6,580
105
Ranking Based On Selection: 20
Stanley Fore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
322
150
0.466
Project Management
Manufacturing Systems
Operations Management
Business Process Management
* Total Citation Counts Rankings
Rankings
1,131,216
South Africa
6,765
524
Ranking Based On Selection: 21
Peter Kilbourn
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
305
267
0.875
* Total Citation Counts Rankings
Rankings
1,178,759
South Africa
7,161
682
Ranking Based On Selection: 22
Wilna L Bean
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
273
149
0.546
* Total Citation Counts Rankings
Rankings
1,197,487
South Africa
7,332
17
Ranking Based On Selection: 23
Osayuwamen Omoruyi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
261
223
0.854
* Total Citation Counts Rankings
Rankings
1,204,253
South Africa
7,395
962
Ranking Based On Selection: 24
Mamorena Lucia Matsoso
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
257
187
0.728
Supply chain management
performance measures
sustainable supply chain
entrepreneurship
* Total Citation Counts Rankings
Rankings
1,248,735
South Africa
7,794
833
Ranking Based On Selection: 25
Stephan E Visagie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
232
107
0.461
Operations Research
Mathematical Programming
Metaheuristics
DC optimization
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