Total 2,424,675 scientists, country 221, and institutions 24,468 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
![Suprakas Sinha Ray](https://cdn.adscientificindex.com/pictures/ea/4375154.jpg)
Polymer Physics and Polymer Nanocomposites
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
398
324
0.814
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Bruce Sithole](https://cdn.adscientificindex.com/pictures/9d/4400515.jpg)
biorefinery technologies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
105
70
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Maya Jacob and Maya John](https://cdn.adscientificindex.com/pictures/93/4375158.jpg)
natural fibres
rubber composites
polymer composites
agrowaste derived products
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
87
72
0.828
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Bonex Wakufwa Mwakikunga](https://cdn.adscientificindex.com/pictures/28/4400073.jpg)
Nanoscale Physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
80
55
0.688
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Marlien Herselman](/user/assets/images/profile/no-profile-photo.png)
Living Labs
User Experience
Mobile Education
Monitoring and evaluation
Mlearn
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
41
0.539
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Moses Azong Cho](https://cdn.adscientificindex.com/pictures/22/4375160.jpg)
Remote sensing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
60
0.811
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Nicholas M. Musyoka](https://cdn.adscientificindex.com/pictures/94/4400204.jpg)
Hydrogen Storage and production
CO2 capture
Green Fuels/Chemistry
MOFs
Zeolites
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
73
67
0.918
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Adele Botha](https://cdn.adscientificindex.com/pictures/55/4975387.jpg)
MEX
UX
MHCI
HCI
HIS Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
65
35
0.538
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Lara Van Niekerk](https://cdn.adscientificindex.com/pictures/a4/4400385.jpg)
Estuaries
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
51
0.810
* Total i10 IndexRankings
Ranking Based On Selection: 10
![Rebecca Garland](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
52
0.852
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
* Total i10 IndexRankings
Ranking Based On Selection: 11
![Gugu Hlengiwe Mhlongo](https://cdn.adscientificindex.com/pictures/10/4400442.jpg)
sensing
luminescence
nanostructures
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
37
0.822
* Total i10 IndexRankings
Ranking Based On Selection: 12
![Vincent Ojijo](/user/assets/images/profile/no-profile-photo.png)
Polymer nanocomposites
polymer blends
water and wastewater treatment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
36
0.837
* Total i10 IndexRankings
Ranking Based On Selection: 13
![Linda Godfrey](https://cdn.adscientificindex.com/pictures/12/4400754.jpg)
waste
circular economy
green economy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
23
0.590
* Total i10 IndexRankings
Ranking Based On Selection: 14
![James M Dabrowski](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
21
0.618
* Total i10 IndexRankings
Ranking Based On Selection: 15
![Jayita Bandyopadhyay](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
19
0.594
* Total i10 IndexRankings
Ranking Based On Selection: 16
![A Nahman](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
22
0.733
* Total i10 IndexRankings
Ranking Based On Selection: 17
![Bruce Becker](https://cdn.adscientificindex.com/pictures/75/4375155.jpg)
grid computing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
18
0.783
* Total i10 IndexRankings
Ranking Based On Selection: 18
![Zamaswazi Tshabalala](/user/assets/images/profile/no-profile-photo.png)
Semoconducting metal oxides
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
20
0.909
* Total i10 IndexRankings
Ranking Based On Selection: 19
![Heidi Van Deventer](/user/assets/images/profile/no-profile-photo.png)
Earth Observation
Remote sensing of wetland vegetation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
19
0.864
* Total i10 IndexRankings
Ranking Based On Selection: 20
![Evison Kapangaziwiri](https://cdn.adscientificindex.com/pictures/0b/4402138.jpg)
Hydrologic science
water resources management
hydrologic modeling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
12
0.545
* Total i10 IndexRankings
Ranking Based On Selection: 21
![Asanda Mtibe](https://cdn.adscientificindex.com/pictures/03/4403036.jpg)
Cellulose
nanocellulose
biocomposites
surface modification
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
20
0.952
* Total i10 IndexRankings
Ranking Based On Selection: 22
![Darryl Naidoo](https://cdn.adscientificindex.com/pictures/ee/4401354.jpg)
Laser Resonators
Beam Shaping
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
17
0.810
* Total i10 IndexRankings
Ranking Based On Selection: 23
![Mario Marais](https://cdn.adscientificindex.com/pictures/51/4401426.jpg)
ICT4D
systems based evaluation
sustainability of ICT4D
social capital
ICT in education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
7
0.333
* Total i10 IndexRankings
Ranking Based On Selection: 24
![Constansia Musvoto](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
14
0.737
* Total i10 IndexRankings
Ranking Based On Selection: 25
![Craig Long](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
12
0.632
Suprakas Sinha Ray
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
398
324
0.814
Bruce Sithole
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
105
70
0.667
Maya Jacob and Maya John
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
87
72
0.828
natural fibres
rubber composites
polymer composites
agrowaste derived products
Bonex Wakufwa Mwakikunga
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
80
55
0.688
Marlien Herselman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
41
0.539
Living Labs
User Experience
Mobile Education
Monitoring and evaluation
Mlearn
Moses Azong Cho
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
60
0.811
Nicholas M. Musyoka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
73
67
0.918
Hydrogen Storage and production
CO2 capture
Green Fuels/Chemistry
MOFs
Zeolites
Adele Botha
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
65
35
0.538
Lara Van Niekerk
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
51
0.810
Rebecca Garland
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
52
0.852
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
Gugu Hlengiwe Mhlongo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
37
0.822
Vincent Ojijo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
36
0.837
Polymer nanocomposites
polymer blends
water and wastewater treatment
Linda Godfrey
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
23
0.590
James M Dabrowski
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
21
0.618
Jayita Bandyopadhyay
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
19
0.594
A Nahman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
22
0.733
Bruce Becker
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
18
0.783
Zamaswazi Tshabalala
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
20
0.909
Heidi Van Deventer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
19
0.864
Evison Kapangaziwiri
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
12
0.545
Hydrologic science
water resources management
hydrologic modeling
Asanda Mtibe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
20
0.952
Darryl Naidoo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
17
0.810
Mario Marais
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
7
0.333
ICT4D
systems based evaluation
sustainability of ICT4D
social capital
ICT in education
Constansia Musvoto
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
14
0.737
Craig Long
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
12
0.632