Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 213 Scientists Citation Rankings - 2025
Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.
* Total Citation Counts Rankings
Ranking Based On Selection: 1
Agribusiness Marketing
Agribusiness Management
Value Chain Analysis
Agricultural Finance
Climate Change Economic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,794
4,195
0.724
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Applied Machine Learning & AI
AI-powered Cybersecurity
Responsible AI
FinTech
Prompt Engineerin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,021
2,974
0.984
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Energy Systems Engineering
Energy Efficiency and Demand Side Management
Rural Power Suppl
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,009
2,318
0.770
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,711
1,476
0.544
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Food Science and Technolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,367
1,762
0.744
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Artificial Intelligence
Image Processing
Brain Image Analysis
Data Mining
Machine Learning an
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,352
2,275
0.967
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Hydropower & Hydrology
Irrigation Development
Waste Management
Water Resources Management
Sustainable Energy Managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,593
1,439
0.903
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Fisheries
Aquaculture
Ocean Governance
Climate Change
Natural Resources Managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,171
925
0.790
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Waste management
construction materials
environmental managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
735
657
0.894
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Thermal - Fluids Engineering and Energ
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
735
606
0.824
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Entomophagy (Edible insects)
Stored product entomolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
683
489
0.716
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Groundwater flow modelling
Irrigation and Drainage Engineering
Parameter estimation using mathematical models
Soil and Water Conservatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
642
625
0.974
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Agricultural and Rural Marketing
Agribusiness Branding
Supply & Value Chain Mgt
Consumer Studie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
631
620
0.983
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Deep Learning
Bioinformatics
LLM
Residue Number Systems and AI of Internet of Thing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
630
590
0.937
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Microbiology
Water Sanitation and Hygiene
Environmental Healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
627
527
0.841
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Inorganic chemistry
nanotechnology
water quality and medicinal plant
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
625
461
0.738
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Soil Science
Environmental Soil Science
Land Reclamation
Nutrient Dynamic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
595
595
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Atmospheric Pollution and Monitoring
Atmospheric and Climate Change
Climate Change and Healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
595
459
0.771
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Impact studies
market
gender and socioeconomic studie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
535
280
0.523
* Total Citation Counts Rankings
Ranking Based On Selection: 20
chemical pathology
metabolic markers
molecular diagnostics
bioassay development
eHealt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
499
471
0.944
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Fluid Machinery
Computational Fluid Dynamics
Thermodynamics and Energy System
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
493
480
0.974
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Climate Change Risk and Vulnerability
Climate Change Impacts Mitigation and Adaptation Strategies
Rural Livelihood Systems
I
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
515
421
0.817
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Soil fertility management and Climate change
Cropping systems
Climate Smart Agriculture
Conservation Agricultur
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
487
412
0.846
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Fisherie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
480
415
0.865
* Total Citation Counts Rankings
Ranking Based On Selection: 25
planning and sustainabilit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
452
319
0.706
* Total Citation Counts Rankings
Rankings
187,607
59
1
Ranking Based On Selection: 1
John Km Kuwornu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,794
4,195
0.724
Agribusiness Marketing
Agribusiness Management
Value Chain Analysis
Agricultural Finance
Climate Change Economic
* Total Citation Counts Rankings
Rankings
337,506
157
2
Ranking Based On Selection: 2
Isaac Kofi Nti|Isaac Kofi, Kofi Nti
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,021
2,974
0.984
Applied Machine Learning & AI
AI-powered Cybersecurity
Responsible AI
FinTech
Prompt Engineerin
* Total Citation Counts Rankings
Rankings
338,620
158
3
Ranking Based On Selection: 3
Samuel Gyamfi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,009
2,318
0.770
Energy Systems Engineering
Energy Efficiency and Demand Side Management
Rural Power Suppl
* Total Citation Counts Rankings
Rankings
368,236
174
4
Ranking Based On Selection: 4
Esi Awuah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,711
1,476
0.544
* Total Citation Counts Rankings
Rankings
408,426
212
5
Ranking Based On Selection: 5
James Owusu Kwarteng
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,367
1,762
0.744
Food Science and Technolog
* Total Citation Counts Rankings
Rankings
410,350
217
6
Ranking Based On Selection: 6
Benjamin Asubam Weyori
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,352
2,275
0.967
Artificial Intelligence
Image Processing
Brain Image Analysis
Data Mining
Machine Learning an
* Total Citation Counts Rankings
Rankings
537,564
344
7
Ranking Based On Selection: 7
Eric Antwi Ofosu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,593
1,439
0.903
Hydropower & Hydrology
Irrigation Development
Waste Management
Water Resources Management
Sustainable Energy Managemen
* Total Citation Counts Rankings
Rankings
645,990
502
8
Ranking Based On Selection: 8
Berchie Asiedu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,171
925
0.790
Fisheries
Aquaculture
Ocean Governance
Climate Change
Natural Resources Managemen
* Total Citation Counts Rankings
Rankings
811,689
792
9
Ranking Based On Selection: 9
Francis Atta Kuranchie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
735
657
0.894
Waste management
construction materials
environmental managemen
* Total Citation Counts Rankings
Rankings
811,718
793
10
Ranking Based On Selection: 10
Ebenezer Nyarko Kumi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
735
606
0.824
Thermal - Fluids Engineering and Energ
Is Your University Ready for the Future?
Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
Gain insights from detailed performance analyses of scientists across 13 major disciplines, identify your strengths, improve weaknesses, and gain a competitive edge.. Check Your Free Sample Performance Analysis
* Total Citation Counts Rankings
Rankings
837,124
840
11
Ranking Based On Selection: 11
Jacob Paarechuga Anankware
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
683
489
0.716
* Total Citation Counts Rankings
Rankings
858,449
876
12
Ranking Based On Selection: 12
Thomas Atta-Darkwa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
642
625
0.974
Groundwater flow modelling
Irrigation and Drainage Engineering
Parameter estimation using mathematical models
Soil and Water Conservatio
* Total Citation Counts Rankings
Rankings
864,323
896
13
Ranking Based On Selection: 13
Helena Oppong-Kyeremeh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
631
620
0.983
Agricultural and Rural Marketing
Agribusiness Branding
Supply & Value Chain Mgt
Consumer Studie
* Total Citation Counts Rankings
Rankings
864,937
897
14
Ranking Based On Selection: 14
Patrick Kwabena Mensah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
630
590
0.937
Deep Learning
Bioinformatics
LLM
Residue Number Systems and AI of Internet of Thing
* Total Citation Counts Rankings
Rankings
866,697
900
15
Ranking Based On Selection: 15
Samuel Fosu Gyasi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
627
527
0.841
Microbiology
Water Sanitation and Hygiene
Environmental Healt
* Total Citation Counts Rankings
Rankings
867,860
902
16
Ranking Based On Selection: 16
Selina Ama Saah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
625
461
0.738
Inorganic chemistry
nanotechnology
water quality and medicinal plant
* Total Citation Counts Rankings
Rankings
884,747
930
17
Ranking Based On Selection: 17
Alex Amerh Agbeshie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
595
595
1.000
Soil Science
Environmental Soil Science
Land Reclamation
Nutrient Dynamic
* Total Citation Counts Rankings
Rankings
884,951
932
18
Ranking Based On Selection: 18
Nana Agyemang Prempeh|Nana Prempeh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
595
459
0.771
Atmospheric Pollution and Monitoring
Atmospheric and Climate Change
Climate Change and Healt
* Total Citation Counts Rankings
Rankings
925,409
1,033
19
Ranking Based On Selection: 19
Lesley Hope
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
535
280
0.523
Impact studies
market
gender and socioeconomic studie
* Total Citation Counts Rankings
Rankings
953,830
1,106
21
Ranking Based On Selection: 20
Emmanuel Timmy Donkoh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
499
471
0.944
chemical pathology
metabolic markers
molecular diagnostics
bioassay development
eHealt
* Total Citation Counts Rankings
Rankings
958,892
1,124
22
Ranking Based On Selection: 21
Kofi Asamoah Adu-Poku (Ph.D., Pe-Ghie)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
493
480
0.974
Fluid Machinery
Computational Fluid Dynamics
Thermodynamics and Energy System
* Total Citation Counts Rankings
Rankings
940,841
1,068
20
Ranking Based On Selection: 22
Amos Apraku
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
515
421
0.817
Climate Change Risk and Vulnerability
Climate Change Impacts Mitigation and Adaptation Strategies
Rural Livelihood Systems
I
* Total Citation Counts Rankings
Rankings
964,188
1,141
23
Ranking Based On Selection: 23
Daniel Ntiamoah Afreh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
487
412
0.846
Soil fertility management and Climate change
Cropping systems
Climate Smart Agriculture
Conservation Agricultur
* Total Citation Counts Rankings
Rankings
970,108
1,153
24
Ranking Based On Selection: 24
Samuel Kweku Konney Amponsah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
480
415
0.865
* Total Citation Counts Rankings
Rankings
995,359
1,214
25
Ranking Based On Selection: 25
Emmanuel Ansong
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
452
319
0.706