Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (1,014,167 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects. 

* Rankings
Ranking Based On Selection :1
Philip Antwi Agyei
Climate Change and Variability
Food Security
Climate Change Adaptations
Vulnerability Assessments
Metrics
H-Index
i10 Index
Citation
33
52
4,699
* Rankings
Ranking Based On Selection :3
Divine Odame Appiah
Climate change
Peri-Urban Land Use/cover
Geospatial/Environmental Resources management
Metrics
H-Index
i10 Index
Citation
22
34
1,242
* Rankings
Ranking Based On Selection :4
Michael Osei Asibey
climate change adaptation governance
urban greenspace planning
environmental policy
urban and
Metrics
H-Index
i10 Index
Citation
17
25
901
* Rankings
Ranking Based On Selection :5
David Forkuor
Poverty
rural development
urban development
environmental management
local governance
Metrics
H-Index
i10 Index
Citation
11
15
416
Lawrence Darkwah
Environmental Engineering
Mineral Processing
Energy
Bioremediation
Industrial Biotechnology
Metrics
H-Index
i10 Index
Citation
10
10
276
Lawrence Guodaar
Climate Change/Extremes
Adaptation
Agricultural Systems
Indigenous Knowledge
Sustainability
Metrics
H-Index
i10 Index
Citation
9
9
395
Barbara Simons
Building Performance
Climate Change
Green Buildings
Architecture and Construction
Metrics
H-Index
i10 Index
Citation
8
6
222
Stephen John Ayeh
Agriculture & Rural Sociology
Climate Change Resilience
Value Chain Development
Impact Assessment
Metrics
H-Index
i10 Index
Citation
3
0
19
Franklin Bedakiyiba Baajike
Climate change and environment
food security and sustainable agricultural systems
international trade
Metrics
H-Index
i10 Index
Citation
2
1
32
Lawson Mensah
Wastewater Treatment Water and Sanitation Potable water treatment Leather Technology
Metrics
H-Index
i10 Index
Citation
1
0
7
Frank Kwaku Aazore
Environmental planning
Climate change adaptation
Nature-based Solutions
Ecosystem services
Metrics
H-Index
i10 Index
Citation
1
0
6
Benjamin Baah
Construction Health & Safety
Emerging Technologies
Sustainable construction
AI
Metrics
H-Index
i10 Index
Citation
1
0
4
Rankings
Ranking Based On Selection: 1
Philip Antwi Agyei
Metrics
H-Index
i10 Index
Citation Counts
33
52
4,699
Climate Change and Variability
Food Security
Climate Change Adaptations
Vulnerability Assessments
Rankings
Ranking Based On Selection: 3
Divine Odame Appiah
Metrics
H-Index
i10 Index
Citation Counts
22
34
1,242
Climate change
Peri-Urban Land Use/cover
Geospatial/Environmental Resources management
Rankings
Ranking Based On Selection: 4
Michael Osei Asibey
Metrics
H-Index
i10 Index
Citation Counts
17
25
901
climate change adaptation governance
urban greenspace planning
environmental policy
urban and
Rankings
Ranking Based On Selection: 5
David Forkuor
Metrics
H-Index
i10 Index
Citation Counts
11
15
416
Poverty
rural development
urban development
environmental management
local governance
Rankings
Ranking Based On Selection: 6
Joseph Apau
Metrics
H-Index
i10 Index
Citation Counts
10
10
395
Rankings
Ranking Based On Selection: 7
Lawrence Darkwah
Metrics
H-Index
i10 Index
Citation Counts
10
10
276
Environmental Engineering
Mineral Processing
Energy
Bioremediation
Industrial Biotechnology
Rankings
Ranking Based On Selection: 8
Kodwo Miezah
Metrics
H-Index
i10 Index
Citation Counts
9
9
941
Waste Management
Environmental Science
Environmental Engineering
Rankings
Ranking Based On Selection: 9
Lawrence Guodaar
Metrics
H-Index
i10 Index
Citation Counts
9
9
395
Climate Change/Extremes
Adaptation
Agricultural Systems
Indigenous Knowledge
Sustainability
Rankings
Ranking Based On Selection: 10
Lyndon Nii Adjiri Sackey
Metrics
H-Index
i10 Index
Citation Counts
8
8
263
Environmental Protection
Environmental Chemistry
Waste Management
Rankings
Ranking Based On Selection: 12
Barbara Simons
Metrics
H-Index
i10 Index
Citation Counts
8
6
222
Building Performance
Climate Change
Green Buildings
Architecture and Construction
Rankings
Ranking Based On Selection: 13
Kwaku Obeng-Okrah
Metrics
H-Index
i10 Index
Citation Counts
4
4
172
Rural development
Climate change
Food Security & Rural Livelihoods
Rankings
Ranking Based On Selection: 15
Stephen John Ayeh
Metrics
H-Index
i10 Index
Citation Counts
3
0
19
Agriculture & Rural Sociology
Climate Change Resilience
Value Chain Development
Impact Assessment
Rankings
Ranking Based On Selection: 16
Franklin Bedakiyiba Baajike
Metrics
H-Index
i10 Index
Citation Counts
2
1
32
Climate change and environment
food security and sustainable agricultural systems
international trade
Rankings
Ranking Based On Selection: 17
Lawson Mensah
Metrics
H-Index
i10 Index
Citation Counts
1
0
7
Wastewater Treatment Water and Sanitation Potable water treatment Leather Technology
Rankings
Ranking Based On Selection: 18
Frank Kwaku Aazore
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
Environmental planning
Climate change adaptation
Nature-based Solutions
Ecosystem services
Rankings
Ranking Based On Selection: 19
Benjamin Baah
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Construction Health & Safety
Emerging Technologies
Sustainable construction
AI
Rankings
Ranking Based On Selection: 20
Anthony Antwi
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Environmental Sanitation and Waste management
Occupational Health and Safety