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
![Mills DS](https://cdn.adscientificindex.com/pictures/43/1229334.jpg)
clinical animal behaviour
companion animal welfare
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
223
184
0.825
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Frank Tanser](https://cdn.adscientificindex.com/pictures/b6/1242763.jpg)
infectious disease epidemiology
HIV
global health
rural health
spatial epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
217
170
0.783
* Total i10 IndexRankings
Ranking Based On Selection: 3
![John Hampton](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
158
41
0.259
* Total i10 IndexRankings
Ranking Based On Selection: 4
![A Niroshan Siriwardena](https://cdn.adscientificindex.com/pictures/41/1217400.jpg)
improvement science
implementation science
prehospital care
EMS
primary care
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
153
112
0.732
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Yang Gao](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
142
126
0.887
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Adriano Dos Santos](https://cdn.adscientificindex.com/pictures/4e/4766926.jpg)
Genéica e Melhoramento de Plantas
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
129
69
0.535
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Christopher Gan](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
128
105
0.820
* Total i10 IndexRankings
Ranking Based On Selection: 8
![James David Morton](https://cdn.adscientificindex.com/pictures/17/123507.jpg)
protein AND calpain
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
114
73
0.640
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Nigel M Allinson MBE](https://cdn.adscientificindex.com/pictures/1f/1514567.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
110
30
0.273
* Total i10 IndexRankings
Ranking Based On Selection: 10
![Elizabeth I Sklar](https://cdn.adscientificindex.com/pictures/e5/1251032.jpg)
human/multi-robot teams
behaviour mining
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
109
35
0.321
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
![Nicholas Dickinson](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
57
0.582
* Total i10 IndexRankings
Ranking Based On Selection: 12
![David Palmer](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
83
37
0.446
* Total i10 IndexRankings
Ranking Based On Selection: 13
![Andrew Hunter](https://cdn.adscientificindex.com/pictures/c5/1229310.jpg)
Medical Imaging
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
83
28
0.337
* Total i10 IndexRankings
Ranking Based On Selection: 14
![Damir Torrico](https://cdn.adscientificindex.com/pictures/e7/120645.jpg)
Sensory Science
Consumer research
Product Development
Sensory
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
80
74
0.925
* Total i10 IndexRankings
Ranking Based On Selection: 15
![George Morcous](https://cdn.adscientificindex.com/pictures/32/5113637.jpg)
Reinforced Concrete
Prestressed Concrete
Bridge Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
72
41
0.569
* Total i10 IndexRankings
Ranking Based On Selection: 16
![Michael Hempel](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
72
28
0.389
* Total i10 IndexRankings
Ranking Based On Selection: 17
![Michael Lyne](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
64
16
0.250
* Total i10 IndexRankings
Ranking Based On Selection: 18
![Pablo Collins](/user/assets/images/profile/no-profile-photo.png)
Crustacean
environmental contamination
limnolgy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
27
0.429
* Total i10 IndexRankings
Ranking Based On Selection: 19
![Jeffrey S Martin](https://cdn.adscientificindex.com/pictures/27/1343576.jpg)
Exercise Physiology
Cardiovascular Physiology
Human Performance
Metabolism
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
44
0.721
* Total i10 IndexRankings
Ranking Based On Selection: 20
![Martha D Morton](https://cdn.adscientificindex.com/pictures/36/4425808.jpg)
NMR spectroscopy
Instrumentation!
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
23
0.377
* Total i10 IndexRankings
Ranking Based On Selection: 21
![Hyun-Seob Song](https://cdn.adscientificindex.com/pictures/9d/4425969.jpg)
microbial community modeling
synthetic microbial consortia
metabolic modeling
reactive-transport modeling
optimization
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
40
0.690
* Total i10 IndexRankings
Ranking Based On Selection: 22
![Mark Gussy](/user/assets/images/profile/no-profile-photo.png)
Rural Health Oral Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
48
0.857
* Total i10 IndexRankings
Ranking Based On Selection: 23
![Jerry Volesky](/user/assets/images/profile/no-profile-photo.png)
rangeland management
grazing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
20
0.357
* Total i10 IndexRankings
Ranking Based On Selection: 24
![Matthew Simmonds](https://cdn.adscientificindex.com/pictures/85/1229247.jpg)
Autoimmunity
Transplantation
Genetics
Type 1 Diabetes
Autoimmune Thyroid Disease
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
30
0.556
* Total i10 IndexRankings
Ranking Based On Selection: 25
![Martha Mamo](https://cdn.adscientificindex.com/pictures/4b/4426127.jpg)
Soil Management
Rangeland Soil
Soil OM
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
25
0.463
Mills DS
Lincoln University
Lincoln, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
223
184
0.825
Frank Tanser
Lincoln University
Lincoln, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
217
170
0.783
infectious disease epidemiology
HIV
global health
rural health
spatial epidemiology
John Hampton
Lincoln University Canterbury
Christchurch, New Zealand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
158
41
0.259
A Niroshan Siriwardena
Lincoln University
Lincoln, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
153
112
0.732
improvement science
implementation science
prehospital care
EMS
primary care
Yang Gao
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
142
126
0.887
Adriano Dos Santos
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
129
69
0.535
Christopher Gan
Lincoln University Canterbury
Christchurch, New Zealand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
128
105
0.820
James David Morton
Lincoln University Canterbury
Christchurch, New Zealand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
114
73
0.640
Nigel M Allinson MBE
Lincoln University
Lincoln, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
110
30
0.273
Elizabeth I Sklar
Lincoln University
Lincoln, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
109
35
0.321
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!
Nicholas Dickinson
Lincoln University Canterbury
Christchurch, New Zealand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
57
0.582
David Palmer
Lincoln University Canterbury
Christchurch, New Zealand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
83
37
0.446
Andrew Hunter
Lincoln University
Lincoln, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
83
28
0.337
Damir Torrico
Lincoln University Canterbury
Christchurch, New Zealand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
80
74
0.925
George Morcous
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
72
41
0.569
Michael Hempel
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
72
28
0.389
Michael Lyne
Lincoln University Canterbury
Christchurch, New Zealand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
64
16
0.250
Pablo Collins
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
27
0.429
Jeffrey S Martin
Lincoln Memorial University
Harrogate, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
44
0.721
Exercise Physiology
Cardiovascular Physiology
Human Performance
Metabolism
Martha D Morton
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
23
0.377
Hyun-Seob Song
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
40
0.690
microbial community modeling
synthetic microbial consortia
metabolic modeling
reactive-transport modeling
optimization
Mark Gussy
Lincoln University
Lincoln, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
48
0.857
Jerry Volesky
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
20
0.357
Matthew Simmonds
Lincoln University
Lincoln, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
30
0.556
Autoimmunity
Transplantation
Genetics
Type 1 Diabetes
Autoimmune Thyroid Disease
Martha Mamo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
25
0.463