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" (873,688 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
Jack Pashin
Sedimentary Geology
Structural Geology
Petroleum Geology
Coal Geology
Basin Analysis
Metrics
H-Index
i10 Index
Citation
33
85
3,629
James H Knapp
tectonics
geophysics
structural geology
petroleum geology
Metrics
H-Index
i10 Index
Citation
28
54
2,927
Todd Halihan
electrical hydrogeology
water resources
groundwater contamination
site characterization
Metrics
H-Index
i10 Index
Citation
23
31
1,759
Ahmed Ismail
Geophysics
earth science
hydrogeology
arcaheology
engineering
Metrics
H-Index
i10 Index
Citation
20
35
1,180
Rifat Bulut
Geotechnical Engineering
Unsaturated Soils
Expansive Soils
Metrics
H-Index
i10 Index
Citation
18
40
2,247
* Rankings
Ranking Based On Selection: 10
Tracy M Quan
Geochemistry
Isotope Geochemistry
Organic Geochemistry
Oceanography
Metrics
H-Index
i10 Index
Citation
15
17
1,646

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* Rankings
Ranking Based On Selection: 11
Lindsey A Bruckerhoff
streams
fish ecology
community ecology
freshwater fish conservation
Metrics
H-Index
i10 Index
Citation
12
13
501
Cory J Godwin
stratigraphy-sedimentology
conodont biostratigraphy
paleontology
global chronostratigraphy
ichnology
Metrics
H-Index
i10 Index
Citation
7
5
153
Andrew H Whitaker
Environmental Soil Chemistry
Biogeochemistry
Pollutant Fate and Transport
Soil and Water Quality
Soil Mineralogy
Metrics
H-Index
i10 Index
Citation
6
6
160
F Mewafy
Artificial Intelligence
Geophysics
Resistivity
Self-Potential
Magnetic
Metrics
H-Index
i10 Index
Citation
6
5
189
Omar Amer
Geotechnical Engineering
Unsaturated Soil Mechanics
Expansive Soils
In-Situ & Laboratory Soil Tests
Geosynthetics
Metrics
H-Index
i10 Index
Citation
4
1
55
Afshin Aghayan
Exploration Seismology
Image Processing
Full waveform inversion
Metrics
H-Index
i10 Index
Citation
3
2
74
Hugo Oswaldo Ferrer Toledo
Seismic Hazard
Seismology
Structural Eng.
Ground Motion
Seismic Instrumentation
Metrics
H-Index
i10 Index
Citation
3
1
21
Lauren Haygood
High Latitudes
Paleoclimate
Paleoceanography
Biogeochemistry
Education and Outreach
Metrics
H-Index
i10 Index
Citation
2
2
47
Silas Adeoluwa Samuel
Geologic Carbon & Hydrogen Storage
Reservoir Geophysics
Data Analysis
Metrics
H-Index
i10 Index
Citation
2
1
198
Camelia Sadighi
Geotecnical engineering - Earthquake engineering - foundation engineering - geo-hazard - geo-environmental engineering - earth
Metrics
H-Index
i10 Index
Citation
1
0
1
Rankings
Ranking Based On Selection: 1
Jack Pashin
Metrics
H-Index
i10 Index
Citation Counts
33
85
3,629
Sedimentary Geology
Structural Geology
Petroleum Geology
Coal Geology
Basin Analysis
Rankings
Ranking Based On Selection: 2
Jay M Gregg
Metrics
H-Index
i10 Index
Citation Counts
31
58
5,412
Rankings
Ranking Based On Selection: 3
James H Knapp
Metrics
H-Index
i10 Index
Citation Counts
28
54
2,927
tectonics
geophysics
structural geology
petroleum geology
Rankings
Ranking Based On Selection: 4
Natascha Riedinger
Metrics
H-Index
i10 Index
Citation Counts
27
35
3,177
Geosciences
Biogeochemistry
Sedimentary Geochemistry
Rankings
Ranking Based On Selection: 5
Todd Halihan
Metrics
H-Index
i10 Index
Citation Counts
23
31
1,759
electrical hydrogeology
water resources
groundwater contamination
site characterization
Rankings
Ranking Based On Selection: 6
Ahmed Ismail
Metrics
H-Index
i10 Index
Citation Counts
20
35
1,180
Geophysics
earth science
hydrogeology
arcaheology
engineering
Rankings
Ranking Based On Selection: 7
Rifat Bulut
Metrics
H-Index
i10 Index
Citation Counts
18
40
2,247
Geotechnical Engineering
Unsaturated Soils
Expansive Soils
Rankings
Ranking Based On Selection: 8
Priyank Jaiswal
Metrics
H-Index
i10 Index
Citation Counts
18
25
894
Seismology
Inverse Theory
Gas Hydrate
Petroleum Systems
Rankings
Ranking Based On Selection: 9
Xiaoming Yang
Metrics
H-Index
i10 Index
Citation Counts
18
21
1,665
Rankings
Ranking Based On Selection: 10
Tracy M Quan
Metrics
H-Index
i10 Index
Citation Counts
15
17
1,646
Geochemistry
Isotope Geochemistry
Organic Geochemistry
Oceanography

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Lindsey A Bruckerhoff
Metrics
H-Index
i10 Index
Citation Counts
12
13
501
streams
fish ecology
community ecology
freshwater fish conservation
Rankings
Ranking Based On Selection: 12
Tao Wu
Metrics
H-Index
i10 Index
Citation Counts
7
7
327
Rankings
Ranking Based On Selection: 13
Cory J Godwin
Metrics
H-Index
i10 Index
Citation Counts
7
5
153
stratigraphy-sedimentology
conodont biostratigraphy
paleontology
global chronostratigraphy
ichnology
Rankings
Ranking Based On Selection: 14
Andrew H Whitaker
Metrics
H-Index
i10 Index
Citation Counts
6
6
160
Environmental Soil Chemistry
Biogeochemistry
Pollutant Fate and Transport
Soil and Water Quality
Soil Mineralogy
Rankings
Ranking Based On Selection: 15
F Mewafy
Metrics
H-Index
i10 Index
Citation Counts
6
5
189
Artificial Intelligence
Geophysics
Resistivity
Self-Potential
Magnetic
Rankings
Ranking Based On Selection: 17
David L Bridges
Metrics
H-Index
i10 Index
Citation Counts
5
4
213
Rankings
Ranking Based On Selection: 18
Brandon Spencer
Metrics
H-Index
i10 Index
Citation Counts
4
3
51
geology
tectonics
thermochronology
geochronology
Scotland
Rankings
Ranking Based On Selection: 19
Omar Amer
Metrics
H-Index
i10 Index
Citation Counts
4
1
55
Geotechnical Engineering
Unsaturated Soil Mechanics
Expansive Soils
In-Situ & Laboratory Soil Tests
Geosynthetics
Rankings
Ranking Based On Selection: 20
Trevor Comte Wilson
Metrics
H-Index
i10 Index
Citation Counts
4
1
48
Rankings
Ranking Based On Selection: 21
Afshin Aghayan
Metrics
H-Index
i10 Index
Citation Counts
3
2
74
Exploration Seismology
Image Processing
Full waveform inversion
Rankings
Ranking Based On Selection: 22
Muhammad Salman Abbasi
Metrics
H-Index
i10 Index
Citation Counts
3
0
19
Geophysics
Signal Processing
Seismic Inversion
Machine Learning
Rankings
Ranking Based On Selection: 23
Hugo Oswaldo Ferrer Toledo
Metrics
H-Index
i10 Index
Citation Counts
3
1
21
Seismic Hazard
Seismology
Structural Eng.
Ground Motion
Seismic Instrumentation
Rankings
Ranking Based On Selection: 24
Lauren Haygood
Metrics
H-Index
i10 Index
Citation Counts
2
2
47
High Latitudes
Paleoclimate
Paleoceanography
Biogeochemistry
Education and Outreach
Rankings
Ranking Based On Selection: 25
Silas Adeoluwa Samuel
Metrics
H-Index
i10 Index
Citation Counts
2
1
198
Geologic Carbon & Hydrogen Storage
Reservoir Geophysics
Data Analysis
Rankings
Ranking Based On Selection: 26
Valentine Ezennubia
Metrics
H-Index
i10 Index
Citation Counts
2
1
34
Rankings
Ranking Based On Selection: 27
Jackie Berryman
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
Rankings
Ranking Based On Selection: 28
Joshua Adeyemi Ademilola
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Geophysics
Geology
Energy
and Carbon Sequestration
Rankings
Ranking Based On Selection: 29
Camelia Sadighi
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Geotecnical engineering - Earthquake engineering - foundation engineering - geo-hazard - geo-environmental engineering - earth