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" (873,937 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
Emanuel H. Martin
Protected Areas Planning
Wildlife Ecology and Wildlife Management
Metrics
H-Index
i10 Index
Citation
20
24
5,001
* Rankings
Ranking Based On Selection :2
Alex Kisingo
Environmental Governance
Protected Area Planning
Conservation Leadership
Community Based Conservation
Endangered Species Man
Metrics
H-Index
i10 Index
Citation
11
11
473
* Rankings
Ranking Based On Selection :3
Kokel Melubo
Responsible tourism
Tour Guiding
community tourism
Indigenous tourism
Metrics
H-Index
i10 Index
Citation
11
11
452
* Rankings
Ranking Based On Selection :4
Never Zekeya
Medicinal Plants
Wildlife Management
Animal Health
Microbial bioprospecting and Plant Protection
Metrics
H-Index
i10 Index
Citation
11
11
430
* Rankings
Ranking Based On Selection :5
Kwaslema Malle Hariohay
Natural Resources Management
Conservation Biology
Human Wildlife Interactions
Ecology
Governance
Metrics
H-Index
i10 Index
Citation
7
7
292
Emmanuel H Lyimo
Wildlife ecology
Wildlife corridor and connectivity
Human-Wildlife conflicts
Aerial Wildlife
Metrics
H-Index
i10 Index
Citation
5
3
63
* Rankings
Ranking Based On Selection :10
Juma Joseph Kegamba
Conservation benefit-sharing
Human Wildlife Conflict and Co-existance
Metrics
H-Index
i10 Index
Citation
4
3
162
* Rankings
Ranking Based On Selection :11
Neema Robert
protected areas
urban biodiversity
wildlife management
ecosystem services
governance framework
Metrics
H-Index
i10 Index
Citation
4
3
111
* Rankings
Ranking Based On Selection :14
John Sanya
Sustainability governance
NCP
Nature's values
Tourism Management
Social-ecological systems
Metrics
H-Index
i10 Index
Citation
3
0
19
* Rankings
Ranking Based On Selection :18
Julius Modest Kimaro
Tourism
Wildlife utilization
Wildlife management
Community conservation
Metrics
H-Index
i10 Index
Citation
1
1
14
Rankings
Ranking Based On Selection: 1
Emanuel H. Martin
Metrics
H-Index
i10 Index
Citation Counts
20
24
5,001
Protected Areas Planning
Wildlife Ecology and Wildlife Management
Rankings
Ranking Based On Selection: 2
Alex Kisingo
Metrics
H-Index
i10 Index
Citation Counts
11
11
473
Environmental Governance
Protected Area Planning
Conservation Leadership
Community Based Conservation
Endangered Species Man
Rankings
Ranking Based On Selection: 3
Kokel Melubo
Metrics
H-Index
i10 Index
Citation Counts
11
11
452
Responsible tourism
Tour Guiding
community tourism
Indigenous tourism
Rankings
Ranking Based On Selection: 4
Never Zekeya
Metrics
H-Index
i10 Index
Citation Counts
11
11
430
Medicinal Plants
Wildlife Management
Animal Health
Microbial bioprospecting and Plant Protection
Rankings
Ranking Based On Selection: 5
Kwaslema Malle Hariohay
Metrics
H-Index
i10 Index
Citation Counts
7
7
292
Natural Resources Management
Conservation Biology
Human Wildlife Interactions
Ecology
Governance
Rankings
Ranking Based On Selection: 6
Gabriel Mayengo
Metrics
H-Index
i10 Index
Citation Counts
6
5
112
Biodiversity Conservation and Ecosystems management
Rankings
Ranking Based On Selection: 7
Rehema Abeli Shoo
Metrics
H-Index
i10 Index
Citation Counts
5
4
192
Rankings
Ranking Based On Selection: 8
Emmanuel H Lyimo
Metrics
H-Index
i10 Index
Citation Counts
5
3
63
Wildlife ecology
Wildlife corridor and connectivity
Human-Wildlife conflicts
Aerial Wildlife
Rankings
Ranking Based On Selection: 9
Rudolf Filemon
Metrics
H-Index
i10 Index
Citation Counts
5
2
83
Rankings
Ranking Based On Selection: 10
Juma Joseph Kegamba
Metrics
H-Index
i10 Index
Citation Counts
4
3
162
Conservation benefit-sharing
Human Wildlife Conflict and Co-existance
Rankings
Ranking Based On Selection: 11
Neema Robert
Metrics
H-Index
i10 Index
Citation Counts
4
3
111
protected areas
urban biodiversity
wildlife management
ecosystem services
governance framework
Rankings
Ranking Based On Selection: 12
Julius Lasway
Metrics
H-Index
i10 Index
Citation Counts
4
3
76
Rankings
Ranking Based On Selection: 13
Houssein Samwel Kimaro
Metrics
H-Index
i10 Index
Citation Counts
3
1
55
Plant-parasite-herbivore interactions
Rankings
Ranking Based On Selection: 14
John Sanya
Metrics
H-Index
i10 Index
Citation Counts
3
0
19
Sustainability governance
NCP
Nature's values
Tourism Management
Social-ecological systems
Rankings
Ranking Based On Selection: 15
Nassoro Mohamed
Metrics
H-Index
i10 Index
Citation Counts
3
0
16
conservation
wildlife
herpetology
Rankings
Ranking Based On Selection: 16
Neema Kinabo
Metrics
H-Index
i10 Index
Citation Counts
1
1
77
Biodiversity
urban ecosystem
protected areas
Rankings
Ranking Based On Selection: 17
Elizabeth Kamili
Metrics
H-Index
i10 Index
Citation Counts
1
1
22
BIODIVERSITY CONSERVATION
SUSTAINABILITY
Rankings
Ranking Based On Selection: 18
Julius Modest Kimaro
Metrics
H-Index
i10 Index
Citation Counts
1
1
14
Tourism
Wildlife utilization
Wildlife management
Community conservation
Rankings
Ranking Based On Selection: 19
Reuben Mushi
Metrics
H-Index
i10 Index
Citation Counts
1
1
10
Rankings
Ranking Based On Selection: 20
Vitales Joel Kabonda
Metrics
H-Index
i10 Index
Citation Counts
1
0
1