Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Architecture and Design, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
![Tim Ryan](https://cdn.adscientificindex.com/pictures/1b/5469831.jpg)
Algebraic geometry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28
26
0.929
![Vivian Osei Poku](/user/assets/images/profile/no-profile-photo.png)
Biochemistry
Molecular biology
Oncology
Drug discovery and development
Drug metabolism and
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19
19
1.000
![Wathsala Ma Jayawardana](https://cdn.adscientificindex.com/pictures/3c/5717904.jpg)
Experimental Soft Condensed Matter Physics
Thin Film Mechanics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18
16
0.889
![Trevor Ostlund](https://cdn.adscientificindex.com/pictures/12/5249850.jpg)
Organic Chemistry
Natural Products
Drug Discovery
Chemical Synthesis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
![John B Buncher](/user/assets/images/profile/no-profile-photo.png)
Physics Education Research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16
16
1.000
![James Young](https://cdn.adscientificindex.com/pictures/81/5693693.jpg)
Molecular Biology
Systems Biology
Big Data
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
![Bret Lang](/user/assets/images/profile/no-profile-photo.png)
ecology
conservation
GIS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14
14
1.000
![Faez Alotaibi](/user/assets/images/profile/no-profile-photo.png)
Organic chemistry
Catalysis
Molecular Design
Medicinal Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
![Heather North](https://cdn.adscientificindex.com/pictures/6a/5478690.jpg)
Biology
Honey bees
pesticides
glyphosate
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
7
0.538
![Alexander Rischette](https://cdn.adscientificindex.com/pictures/d4/5367641.jpg)
Wildlife Management and Conservation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
![Santosh Thapa](https://cdn.adscientificindex.com/pictures/2b/5235947.jpg)
Bioprocessing
Fungal fermentation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
![Gavin Baker](/user/assets/images/profile/no-profile-photo.png)
Aerospace Engineering
Space Systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
![Aleix Valls](https://cdn.adscientificindex.com/pictures/6e/5366436.jpg)
Ecology
Climate Change
Entomology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
![Hazera Khatun Koly](https://cdn.adscientificindex.com/pictures/d0/5478588.jpg)
Antibiotic Resistance
Molecular Biology
Computer-aided Drug Design
Bioinformatics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
![Hanna Karevold](/user/assets/images/profile/no-profile-photo.png)
Ecology
Morphology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
![Donna Flint](/user/assets/images/profile/no-profile-photo.png)
real analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
![Ashley C Barstow](https://cdn.adscientificindex.com/pictures/3b/5587504.jpg)
genomics
plant breeding
bioinformatics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
![Ebise Adugna Abdi](https://cdn.adscientificindex.com/pictures/a9/5166562.jpg)
Applied Mathematics
Mathematical Modeling
Numerical Analysis
Statistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Tim Ryan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28
26
0.929
Vivian Osei Poku
South Dakota State University
Brookings, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19
19
1.000
Biochemistry
Molecular biology
Oncology
Drug discovery and development
Drug metabolism and
Wathsala Ma Jayawardana
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18
16
0.889
Experimental Soft Condensed Matter Physics
Thin Film Mechanics
Trevor Ostlund
South Dakota State University
Brookings, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
Organic Chemistry
Natural Products
Drug Discovery
Chemical Synthesis
John B Buncher
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16
16
1.000
James Young
South Dakota State University
Brookings, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
Molecular Biology
Systems Biology
Big Data
Bret Lang
South Dakota State University
Brookings, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14
14
1.000
Faez Alotaibi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
Organic chemistry
Catalysis
Molecular Design
Medicinal Chemistry
Heather North
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
7
0.538
Biology
Honey bees
pesticides
glyphosate
Alexander Rischette
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
Wildlife Management and Conservation
Santosh Thapa
South Dakota State University
Brookings, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
Bioprocessing
Fungal fermentation
Gavin Baker
South Dakota State University
Brookings, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
Aleix Valls
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
Ecology
Climate Change
Entomology
Hazera Khatun Koly
South Dakota State University
Brookings, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
Antibiotic Resistance
Molecular Biology
Computer-aided Drug Design
Bioinformatics
Hanna Karevold
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
Donna Flint
South Dakota State University
Brookings, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
Ashley C Barstow
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
genomics
plant breeding
bioinformatics
Ebise Adugna Abdi
South Dakota State University
Brookings, United States
![United States](/flags/us.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Applied Mathematics
Mathematical Modeling
Numerical Analysis
Statistics