Total 2,403,032 scientists, country 221, and institutions 24,466 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: 26
![David Goodrich](/user/assets/images/profile/no-profile-photo.png)
Environment
earth science
hydrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
208
107
0.514
* Total i10 IndexRankings
Ranking Based On Selection: 27
![Elizabeth Baldwin](/user/assets/images/profile/no-profile-photo.png)
Food Science postharvest horticulture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
206
128
0.621
* Total i10 IndexRankings
Ranking Based On Selection: 28
![Hn Cheng](https://cdn.adscientificindex.com/pictures/6e/4396290.jpg)
green chemistry
polymers
NMR
biobased materials
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
205
102
0.498
* Total i10 IndexRankings
Ranking Based On Selection: 29
![C Alan Rotz](https://cdn.adscientificindex.com/pictures/73/4392457.jpg)
farm modeling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
201
120
0.597
* Total i10 IndexRankings
Ranking Based On Selection: 30
![Gregory Mccarty](https://cdn.adscientificindex.com/pictures/6e/4396170.jpg)
Environmental Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
197
131
0.665
* Total i10 IndexRankings
Ranking Based On Selection: 31
![Robert R Martin](/user/assets/images/profile/no-profile-photo.png)
Plant Virology
viruses
detection
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
197
71
0.360
* Total i10 IndexRankings
Ranking Based On Selection: 32
![Michael H Kogut](https://cdn.adscientificindex.com/pictures/9e/4387490.jpg)
Avina innate immunity
host-pathogen interactions
innate immunity-microbiome interactions
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
196
115
0.587
* Total i10 IndexRankings
Ranking Based On Selection: 33
![Vijay Juneja](/user/assets/images/profile/no-profile-photo.png)
Food Safety Microbiology
Predictive Microbiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
195
100
0.513
* Total i10 IndexRankings
Ranking Based On Selection: 34
![Peter JA Kleinman](https://cdn.adscientificindex.com/pictures/19/4389192.jpg)
Agricultural nutrient management
phosphorus
landscape processes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
194
147
0.758
* Total i10 IndexRankings
Ranking Based On Selection: 35
![Kevin B Hicks](https://cdn.adscientificindex.com/pictures/a6/4399631.jpg)
Biofuels
Sustainable Agriculture
Health-Promoting Food Ingredients
Carbohydrates
Phytosterols
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
194
79
0.407
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: 36
![Peter Ea Teal](/user/assets/images/profile/no-profile-photo.png)
Natural product chemistry
Insect physiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
192
93
0.484
* Total i10 IndexRankings
Ranking Based On Selection: 37
![Tim Smith](https://cdn.adscientificindex.com/pictures/c1/4383564.jpg)
Genome biology of livestock species
metagenomics
microbial genomics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
189
98
0.519
* Total i10 IndexRankings
Ranking Based On Selection: 38
![Gautam Sarath](/user/assets/images/profile/no-profile-photo.png)
Bioenergy
biofuels
plant biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
189
98
0.519
* Total i10 IndexRankings
Ranking Based On Selection: 39
![Lewis Ziska](https://cdn.adscientificindex.com/pictures/d4/4385894.jpg)
Plant Biology
Climate Change
Public Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
187
143
0.765
* Total i10 IndexRankings
Ranking Based On Selection: 40
![Russell L Scott](https://cdn.adscientificindex.com/pictures/ed/4381475.jpg)
ecohydrology
ecosystem ecology
biosphere-atmosphere interactions
micrometeorology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
184
152
0.826
* Total i10 IndexRankings
Ranking Based On Selection: 41
![David D Bosch](/user/assets/images/profile/no-profile-photo.png)
Hydrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
184
123
0.668
* Total i10 IndexRankings
Ranking Based On Selection: 42
![Justin Derner](/user/assets/images/profile/no-profile-photo.png)
rangelands
grazing
livestock production
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
180
144
0.800
* Total i10 IndexRankings
Ranking Based On Selection: 43
![Yaguang Luo](https://cdn.adscientificindex.com/pictures/17/4384781.jpg)
Food quality and safety research
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
178
149
0.837
* Total i10 IndexRankings
Ranking Based On Selection: 44
![Jean-Luc Jannink](https://cdn.adscientificindex.com/pictures/45/4397663.jpg)
Quantitative Genetics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
177
142
0.802
* Total i10 IndexRankings
Ranking Based On Selection: 45
![Renfu Lu](/user/assets/images/profile/no-profile-photo.png)
Sensing
imaging
automation
harvest
postharvest quality of fruit and vegetables
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
176
130
0.739
* Total i10 IndexRankings
Ranking Based On Selection: 46
![James F Campbell](https://cdn.adscientificindex.com/pictures/96/4397295.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
173
121
0.699
* Total i10 IndexRankings
Ranking Based On Selection: 47
![Roger I Vargas](/user/assets/images/profile/no-profile-photo.png)
Fruit Flies
ecology
IPM
Area-Wide Control
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
173
91
0.526
* Total i10 IndexRankings
Ranking Based On Selection: 48
![Jeffery A Carroll](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
172
100
0.581
* Total i10 IndexRankings
Ranking Based On Selection: 49
![James N Roemmich](/user/assets/images/profile/no-profile-photo.png)
physical activity
eating
nutrition
behavior
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
170
135
0.794
* Total i10 IndexRankings
Ranking Based On Selection: 50
![Scott Bean](/user/assets/images/profile/no-profile-photo.png)
Protein analysis
sorghum
grain quality
cereal grains
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
169
121
0.716
David Goodrich
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
208
107
0.514
Environment
earth science
hydrology
Elizabeth Baldwin
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
206
128
0.621
Food Science postharvest horticulture
Hn Cheng
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
205
102
0.498
green chemistry
polymers
NMR
biobased materials
C Alan Rotz
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
201
120
0.597
Gregory Mccarty
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
197
131
0.665
Environmental Science
Robert R Martin
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
197
71
0.360
Plant Virology
viruses
detection
Michael H Kogut
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
196
115
0.587
Avina innate immunity
host-pathogen interactions
innate immunity-microbiome interactions
Vijay Juneja
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
195
100
0.513
Food Safety Microbiology
Predictive Microbiology
Peter JA Kleinman
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
194
147
0.758
Agricultural nutrient management
phosphorus
landscape processes
Kevin B Hicks
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
194
79
0.407
Biofuels
Sustainable Agriculture
Health-Promoting Food Ingredients
Carbohydrates
Phytosterols
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!
Peter Ea Teal
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
192
93
0.484
Natural product chemistry
Insect physiology
Tim Smith
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
189
98
0.519
Genome biology of livestock species
metagenomics
microbial genomics
Gautam Sarath
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
189
98
0.519
Bioenergy
biofuels
plant biology
Lewis Ziska
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
187
143
0.765
Plant Biology
Climate Change
Public Health
Russell L Scott
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
184
152
0.826
ecohydrology
ecosystem ecology
biosphere-atmosphere interactions
micrometeorology
David D Bosch
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
184
123
0.668
Justin Derner
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
180
144
0.800
Yaguang Luo
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
178
149
0.837
Food quality and safety research
Jean-Luc Jannink
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
177
142
0.802
Renfu Lu
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
176
130
0.739
Sensing
imaging
automation
harvest
postharvest quality of fruit and vegetables
James F Campbell
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
173
121
0.699
Roger I Vargas
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
173
91
0.526
Fruit Flies
ecology
IPM
Area-Wide Control
Jeffery A Carroll
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
172
100
0.581
James N Roemmich
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
170
135
0.794
Scott Bean
US Department of Agriculture
Washington, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
169
121
0.716