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" (873,898 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
Owen Fenton
N-P-Carbon
hydrology
soil health
soil water management
bio-based fertilizers and soil amendments
Metrics
H-Index
i10 Index
Citation
46
154
6,537
* Rankings
Ranking Based On Selection: 4
Fiona Brennan
Soil and environmental microbiology
Microbial ecology
Nutrient cycling
Enteric Pathogens
Plant-soil-microbial interactions
Metrics
H-Index
i10 Index
Citation
25
40
2,167
Ognjen Žurovec
soil science
sustainable agriculture
climate change adaptation
greenhouse gas emissions
N cycle
Metrics
H-Index
i10 Index
Citation
8
8
442
Jason Galloway
biometeorology
carbon cycling
agri-environmental science
environmental chemistry
ecohydrology
Metrics
H-Index
i10 Index
Citation
6
5
278
Rankings
Ranking Based On Selection: 1
Owen Fenton
Metrics
H-Index
i10 Index
Citation Counts
46
154
6,537
N-P-Carbon
hydrology
soil health
soil water management
bio-based fertilizers and soil amendments
Rankings
Ranking Based On Selection: 2
John Finn
Metrics
H-Index
i10 Index
Citation Counts
45
91
10,250
Rankings
Ranking Based On Selection: 4
Fiona Brennan
Metrics
H-Index
i10 Index
Citation Counts
25
40
2,167
Soil and environmental microbiology
Microbial ecology
Nutrient cycling
Enteric Pathogens
Plant-soil-microbial interactions
Rankings
Ranking Based On Selection: 5
Ognjen Žurovec
Metrics
H-Index
i10 Index
Citation Counts
8
8
442
soil science
sustainable agriculture
climate change adaptation
greenhouse gas emissions
N cycle
Rankings
Ranking Based On Selection: 6
Jason Galloway
Metrics
H-Index
i10 Index
Citation Counts
6
5
278
biometeorology
carbon cycling
agri-environmental science
environmental chemistry
ecohydrology