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" (910,673 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: 5
Eric J Ward
Fisheries
Bayesian statistics
Conservation Biology
Ecology
Space-time modeling
Metrics
H-Index
i10 Index
Citation
55
121
12,525
* Rankings
Ranking Based On Selection: 9
John Field
Fisheries ecology
fisheries management
stock assessment
food webs
ecosystem-based management
Metrics
H-Index
i10 Index
Citation
48
114
7,935

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* Rankings
Ranking Based On Selection: 12
Eric C Anderson
Monte Carlo methods
molecular ecology
statistical genetics
relationship inference
Metrics
H-Index
i10 Index
Citation
44
77
7,799
* Rankings
Ranking Based On Selection: 16
James Ianelli
Fisheries
Stock assessment
Fisheries Management
Statistical Modeling
Metrics
H-Index
i10 Index
Citation
41
117
8,177
* Rankings
Ranking Based On Selection: 22
Jason M Cope
Marine Fisheries
Population Dynamics
Data-limited
Stock assessment
Fisheries Management
Metrics
H-Index
i10 Index
Citation
37
70
4,849
* Rankings
Ranking Based On Selection: 28
Ryan R Rykaczewski
Fisheries Oceanography
Climate Variability and Change
Biological Oceanography
Metrics
H-Index
i10 Index
Citation
35
50
6,453
* Rankings
Ranking Based On Selection: 29
Tomo Eguchi
statistics
ecology
marine mammals
marine turtles
fishery bycatch
Metrics
H-Index
i10 Index
Citation
35
54
5,221
* Rankings
Ranking Based On Selection: 34
Donald Kobayashi
Fish Biology/Ecology
Oceanography
Plankton Ecology
Animal Behavior
Fisheries Science
Metrics
H-Index
i10 Index
Citation
34
64
5,006
* Rankings
Ranking Based On Selection: 49
Kirsten Leong
Human dimensions of natural resource management
governance
public participation
managing human and wildlife behavior
Metrics
H-Index
i10 Index
Citation
28
48
3,398
* Rankings
Ranking Based On Selection: 50
Michael M Pollock
Stream Ecosystems
Beaver
Riparian Vegetation
Fluvial Geomorphology
Hydrology
Metrics
H-Index
i10 Index
Citation
28
37
9,523
* Rankings
Ranking Based On Selection: 51
Nathan M Bacheler
Fisheries science
Fish ecology
Population dynamics
Tagging
Telemetry
Metrics
H-Index
i10 Index
Citation
28
54
2,366
* Rankings
Ranking Based On Selection: 55
Melissa Haltuch
Marine Fisheries
Climate
Fisheries Management
Models
Invasive species
Metrics
H-Index
i10 Index
Citation
27
46
2,967
* Rankings
Ranking Based On Selection: 59
Kresimir Williams
camera-based fish surveys
fish behavior
advanced underwater sampling technology
Metrics
H-Index
i10 Index
Citation
27
41
2,223
* Rankings
Ranking Based On Selection: 60
Stan Kotwicki
survey design
acoustic and bottom trawl surveys
catchabilty
spatial dynamics
Metrics
H-Index
i10 Index
Citation
27
39
2,132
* Rankings
Ranking Based On Selection: 61
Patrick H Ressler
underwater acoustics
fisheries
biological oceanography
ocean ecology
climate change
Metrics
H-Index
i10 Index
Citation
27
34
2,696
* Rankings
Ranking Based On Selection: 70
J Adam Luckenbach
Reproductive physiology
Growth physiology
Aquaculture
Fisheries biology
Metrics
H-Index
i10 Index
Citation
25
47
2,468
* Rankings
Ranking Based On Selection: 72
Todd Miller
food webs
trophic dynamics
nutrients
bioenergetics
stable isotopes
Metrics
H-Index
i10 Index
Citation
25
37
2,365
* Rankings
Ranking Based On Selection: 78
Patricia M Clay - Noaa Federal
fisheries management
food systems
marine spatial planning
climate change
ecosystem-based
Metrics
H-Index
i10 Index
Citation
23
30
1,761
* Rankings
Ranking Based On Selection: 80
Clay E Porch
Population Dynamics
Fisheries management
Conservation Biology
Statistics
Metrics
H-Index
i10 Index
Citation
23
53
1,787
* Rankings
Ranking Based On Selection: 83
Erik H Williams
Fisheries Science
Population Dynamics
Natural Resource Conservation
Statistical Analysis
Simulation Modeling
Metrics
H-Index
i10 Index
Citation
23
27
1,447
* Rankings
Ranking Based On Selection: 84
Marla Holt - Noaa Federal
Acoustic communication and hearing
effects of noise
sensory ecology and conservation
passive acoustic monitoring
Metrics
H-Index
i10 Index
Citation
22
32
2,155
* Rankings
Ranking Based On Selection: 91
Lew Coggins
Fish Stock Assessment
Quantitative Ecology
Decision Theory
Aviation
Metrics
H-Index
i10 Index
Citation
22
33
1,891
* Rankings
Ranking Based On Selection: 92
Heather Welch
species distribution models
climate variability and change
dynamic ocean management
fisheries
Metrics
H-Index
i10 Index
Citation
21
30
1,570
* Rankings
Ranking Based On Selection: 97
Cole C Monnahan
fisheries stock assessment
statistical ecology
marine resource management
Metrics
H-Index
i10 Index
Citation
20
25
3,713
* Rankings
Ranking Based On Selection: 100
Steve Barbeaux
fisheries
stock assessment
fisheries management
observers
cooperative research
Metrics
H-Index
i10 Index
Citation
20
41
2,021
Rankings
Ranking Based On Selection: 1
Jason Link
Metrics
H-Index
i10 Index
Citation Counts
74
205
21,754
fish feeding food marine ecosystem lake ocean ecology
Rankings
Ranking Based On Selection: 2
Jeffrey A Seminoff
Metrics
H-Index
i10 Index
Citation Counts
62
160
14,119
Rankings
Ranking Based On Selection: 3
Jay Ver Hoef
Metrics
H-Index
i10 Index
Citation Counts
58
126
14,244
Statistics
Ecology
Spatial
Bayesian
Mathematics
Rankings
Ranking Based On Selection: 4
John Carlson
Metrics
H-Index
i10 Index
Citation Counts
58
124
12,845
Fisheries ecology
Ecology
Ecological physiology
Rankings
Ranking Based On Selection: 5
Eric J Ward
Metrics
H-Index
i10 Index
Citation Counts
55
121
12,525
Fisheries
Bayesian statistics
Conservation Biology
Ecology
Space-time modeling
Rankings
Ranking Based On Selection: 6
George Pess
Metrics
H-Index
i10 Index
Citation Counts
54
114
13,090
aquatic ecology
fisheries
Pacific salmon
restoration
Rankings
Ranking Based On Selection: 9
John Field
Metrics
H-Index
i10 Index
Citation Counts
48
114
7,935
Fisheries ecology
fisheries management
stock assessment
food webs
ecosystem-based management
Rankings
Ranking Based On Selection: 10
Steven T Lindley
Metrics
H-Index
i10 Index
Citation Counts
47
74
9,800
aquatic ecology
biological oceanography
fisheries

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Rankings
Ranking Based On Selection: 11
Michael Jacox
Metrics
H-Index
i10 Index
Citation Counts
45
91
5,870
Rankings
Ranking Based On Selection: 12
Eric C Anderson
Metrics
H-Index
i10 Index
Citation Counts
44
77
7,799
Monte Carlo methods
molecular ecology
statistical genetics
relationship inference
Rankings
Ranking Based On Selection: 13
David A Demer
Metrics
H-Index
i10 Index
Citation Counts
44
90
6,543
Fisheries Acoustics
Fisheries Survey Technologies
Rankings
Ranking Based On Selection: 14
Michael Ford
Metrics
H-Index
i10 Index
Citation Counts
42
74
7,944
Rankings
Ranking Based On Selection: 15
Isaac C Kaplan
Metrics
H-Index
i10 Index
Citation Counts
41
76
6,160
fisheries ecology
ecosystem modeling
food web dynamics
Rankings
Ranking Based On Selection: 16
James Ianelli
Metrics
H-Index
i10 Index
Citation Counts
41
117
8,177
Fisheries
Stock assessment
Fisheries Management
Statistical Modeling
Rankings
Ranking Based On Selection: 17
Brian R Beckman
Metrics
H-Index
i10 Index
Citation Counts
41
78
5,586
growth
smolting
salmon
life history
marine ecology
Rankings
Ranking Based On Selection: 18
Dan Holland
Metrics
H-Index
i10 Index
Citation Counts
39
84
6,381
resource economics
fisheries
bioeconomic modeling
Rankings
Ranking Based On Selection: 19
Sarah Gaichas
Metrics
H-Index
i10 Index
Citation Counts
38
71
4,927
Rankings
Ranking Based On Selection: 22
Jason M Cope
Metrics
H-Index
i10 Index
Citation Counts
37
70
4,849
Marine Fisheries
Population Dynamics
Data-limited
Stock assessment
Fisheries Management
Rankings
Ranking Based On Selection: 23
Alex De Robertis
Metrics
H-Index
i10 Index
Citation Counts
37
60
4,456
Fisheries Acoustics
Animal Behavior
Survey Methodology
Rankings
Ranking Based On Selection: 25
Brian K Wells
Metrics
H-Index
i10 Index
Citation Counts
36
57
4,540
Rankings
Ranking Based On Selection: 28
Ryan R Rykaczewski
Metrics
H-Index
i10 Index
Citation Counts
35
50
6,453
Fisheries Oceanography
Climate Variability and Change
Biological Oceanography
Rankings
Ranking Based On Selection: 29
Tomo Eguchi
Metrics
H-Index
i10 Index
Citation Counts
35
54
5,221
statistics
ecology
marine mammals
marine turtles
fishery bycatch
Rankings
Ranking Based On Selection: 30
T Todd Jones
Metrics
H-Index
i10 Index
Citation Counts
35
68
5,273
Physiological Ecology
Population Ecology
Energetics
Rankings
Ranking Based On Selection: 31
Barry Berejikian
Metrics
H-Index
i10 Index
Citation Counts
35
69
5,258
salmonid
behavioral ecology
migration
reproduction
life history
Rankings
Ranking Based On Selection: 33
Barbara Muhling
Metrics
H-Index
i10 Index
Citation Counts
34
67
3,712
Rankings
Ranking Based On Selection: 34
Donald Kobayashi
Metrics
H-Index
i10 Index
Citation Counts
34
64
5,006
Fish Biology/Ecology
Oceanography
Plankton Ecology
Animal Behavior
Fisheries Science
Rankings
Ranking Based On Selection: 35
Li-Jung Kuo
Metrics
H-Index
i10 Index
Citation Counts
33
47
4,501
Environmental Chemistry
Environmental Pollution
Carbon Cycle
Rankings
Ranking Based On Selection: 36
Robert Nm Ahrens
Metrics
H-Index
i10 Index
Citation Counts
32
58
2,777
Fisheries
Population Dynamics
Ecosystem Dynamics
Rankings
Ranking Based On Selection: 39
Stephani Zador
Metrics
H-Index
i10 Index
Citation Counts
31
49
2,882
Rankings
Ranking Based On Selection: 40
Mcbride, Richard S
Metrics
H-Index
i10 Index
Citation Counts
31
76
3,288
Rankings
Ranking Based On Selection: 41
Deborah R Hart
Metrics
H-Index
i10 Index
Citation Counts
31
53
3,453
Rankings
Ranking Based On Selection: 43
David E Richardson
Metrics
H-Index
i10 Index
Citation Counts
30
44
3,026
larval fish ecology
fisheries oceanography
Rankings
Ranking Based On Selection: 47
R Christopher Chambers
Metrics
H-Index
i10 Index
Citation Counts
29
40
4,170
life history
ecology
evolution
marine fishes
Rankings
Ranking Based On Selection: 48
Brian Burke
Metrics
H-Index
i10 Index
Citation Counts
28
61
2,958
Rankings
Ranking Based On Selection: 49
Kirsten Leong
Metrics
H-Index
i10 Index
Citation Counts
28
48
3,398
Human dimensions of natural resource management
governance
public participation
managing human and wildlife behavior
Rankings
Ranking Based On Selection: 50
Michael M Pollock
Metrics
H-Index
i10 Index
Citation Counts
28
37
9,523
Stream Ecosystems
Beaver
Riparian Vegetation
Fluvial Geomorphology
Hydrology
Rankings
Ranking Based On Selection: 51
Nathan M Bacheler
Metrics
H-Index
i10 Index
Citation Counts
28
54
2,366
Fisheries science
Fish ecology
Population dynamics
Tagging
Telemetry
Rankings
Ranking Based On Selection: 52
Lisa G Crozier
Metrics
H-Index
i10 Index
Citation Counts
27
36
7,880
Rankings
Ranking Based On Selection: 53
Thomas Andrew Oliver
Metrics
H-Index
i10 Index
Citation Counts
27
44
4,999
Coral Reef Management
Ecophysiology
Landscape Scale Imaging
Rankings
Ranking Based On Selection: 55
Melissa Haltuch
Metrics
H-Index
i10 Index
Citation Counts
27
46
2,967
Marine Fisheries
Climate
Fisheries Management
Models
Invasive species
Rankings
Ranking Based On Selection: 56
Kristin Marshall
Metrics
H-Index
i10 Index
Citation Counts
27
43
2,811
fisheries
ecology
management strategy evaluation
EBFM
Rankings
Ranking Based On Selection: 57
John F Walter, III
Metrics
H-Index
i10 Index
Citation Counts
27
56
2,336
Rankings
Ranking Based On Selection: 58
Louise Copeman
Metrics
H-Index
i10 Index
Citation Counts
27
41
2,242
Fish
Lipids
Fatty acids
Trophic Ecology
Biomarker
Rankings
Ranking Based On Selection: 59
Kresimir Williams
Metrics
H-Index
i10 Index
Citation Counts
27
41
2,223
camera-based fish surveys
fish behavior
advanced underwater sampling technology
Rankings
Ranking Based On Selection: 60
Stan Kotwicki
Metrics
H-Index
i10 Index
Citation Counts
27
39
2,132
survey design
acoustic and bottom trawl surveys
catchabilty
spatial dynamics
Rankings
Ranking Based On Selection: 61
Patrick H Ressler
Metrics
H-Index
i10 Index
Citation Counts
27
34
2,696
underwater acoustics
fisheries
biological oceanography
ocean ecology
climate change
Rankings
Ranking Based On Selection: 64
Shannon Rankin
Metrics
H-Index
i10 Index
Citation Counts
26
45
2,980
acoustics
marine mammals
marine biology
oceanography
Rankings
Ranking Based On Selection: 66
Thomas Good - Noaa Federal
Metrics
H-Index
i10 Index
Citation Counts
26
33
3,167
Rankings
Ranking Based On Selection: 67
Andrew Dittman
Metrics
H-Index
i10 Index
Citation Counts
26
41
3,465
salmon trout homing straying imprinting olfaction
Rankings
Ranking Based On Selection: 68
Wesley A Larson
Metrics
H-Index
i10 Index
Citation Counts
25
42
2,314
Population genetics
local adaptation
fisheries genetics
Rankings
Ranking Based On Selection: 69
Nicholas C Wegner
Metrics
H-Index
i10 Index
Citation Counts
25
38
1,559
Rankings
Ranking Based On Selection: 70
J Adam Luckenbach
Metrics
H-Index
i10 Index
Citation Counts
25
47
2,468
Reproductive physiology
Growth physiology
Aquaculture
Fisheries biology
Rankings
Ranking Based On Selection: 71
David D Huff
Metrics
H-Index
i10 Index
Citation Counts
25
38
1,843
Fish Ecology
Freshwater and Marine Biology
Conservation Biology
Rankings
Ranking Based On Selection: 72
Todd Miller
Metrics
H-Index
i10 Index
Citation Counts
25
37
2,365
food webs
trophic dynamics
nutrients
bioenergetics
stable isotopes
Rankings
Ranking Based On Selection: 75
Eric Thunberg
Metrics
H-Index
i10 Index
Citation Counts
24
46
2,196
Fishery Economics
Fishery Management
Regional Economics
Rankings
Ranking Based On Selection: 76
Aimee H Fullerton
Metrics
H-Index
i10 Index
Citation Counts
23
34
2,614
streams
Pacific salmon
water temperature
decision
Rankings
Ranking Based On Selection: 77
Dana H Hanselman
Metrics
H-Index
i10 Index
Citation Counts
23
51
1,783
Stock assessment
fish movement
ecology
statistics
modeling
Rankings
Ranking Based On Selection: 78
Patricia M Clay - Noaa Federal
Metrics
H-Index
i10 Index
Citation Counts
23
30
1,761
fisheries management
food systems
marine spatial planning
climate change
ecosystem-based
Rankings
Ranking Based On Selection: 79
John F Kocik
Metrics
H-Index
i10 Index
Citation Counts
23
39
4,103
Rankings
Ranking Based On Selection: 80
Clay E Porch
Metrics
H-Index
i10 Index
Citation Counts
23
53
1,787
Population Dynamics
Fisheries management
Conservation Biology
Statistics
Rankings
Ranking Based On Selection: 81
Craig S Rose
Metrics
H-Index
i10 Index
Citation Counts
23
35
1,230
Fisheries
fishing gear research
bycatch reduction
Rankings
Ranking Based On Selection: 82
J Berkson
Metrics
H-Index
i10 Index
Citation Counts
23
34
1,929
Population Dynamics
Simulation Modeling
Stock Assessment
Rankings
Ranking Based On Selection: 83
Erik H Williams
Metrics
H-Index
i10 Index
Citation Counts
23
27
1,447
Fisheries Science
Population Dynamics
Natural Resource Conservation
Statistical Analysis
Simulation Modeling
Rankings
Ranking Based On Selection: 84
Marla Holt - Noaa Federal
Metrics
H-Index
i10 Index
Citation Counts
22
32
2,155
Acoustic communication and hearing
effects of noise
sensory ecology and conservation
passive acoustic monitoring
Rankings
Ranking Based On Selection: 85
Cyril J Michel
Metrics
H-Index
i10 Index
Citation Counts
22
29
1,227
fisheries biology
predator-prey interactions
Rankings
Ranking Based On Selection: 86
Stephen Kasperski
Metrics
H-Index
i10 Index
Citation Counts
22
29
1,578
natural resource economics
ecosystem based management
Rankings
Ranking Based On Selection: 87
Duane Stevenson
Metrics
H-Index
i10 Index
Citation Counts
22
46
1,788
Rankings
Ranking Based On Selection: 88
Ian G Taylor
Metrics
H-Index
i10 Index
Citation Counts
22
40
1,537
Fisheries
Stock Assessment
Population Dynamics
Rankings
Ranking Based On Selection: 89
Ej Dick
Metrics
H-Index
i10 Index
Citation Counts
22
32
1,869
Fishery Management
population dynamics
Bayesian statistics
Rankings
Ranking Based On Selection: 90
Marc Nadon
Metrics
H-Index
i10 Index
Citation Counts
22
27
1,974
Fisheries
coral reefs
conservation biology
Rankings
Ranking Based On Selection: 91
Lew Coggins
Metrics
H-Index
i10 Index
Citation Counts
22
33
1,891
Fish Stock Assessment
Quantitative Ecology
Decision Theory
Aviation
Rankings
Ranking Based On Selection: 92
Heather Welch
Metrics
H-Index
i10 Index
Citation Counts
21
30
1,570
species distribution models
climate variability and change
dynamic ocean management
fisheries
Rankings
Ranking Based On Selection: 93
Karma Norman
Metrics
H-Index
i10 Index
Citation Counts
21
27
1,942
Rankings
Ranking Based On Selection: 94
Jonathan Reum - Noaa Federal
Metrics
H-Index
i10 Index
Citation Counts
21
28
1,525
Rankings
Ranking Based On Selection: 95
Brian Fadely
Metrics
H-Index
i10 Index
Citation Counts
21
35
1,479
physiological ecology
marine mammal biology
Rankings
Ranking Based On Selection: 97
Cole C Monnahan
Metrics
H-Index
i10 Index
Citation Counts
20
25
3,713
fisheries stock assessment
statistical ecology
marine resource management
Rankings
Ranking Based On Selection: 98
Matthew Campbell
Metrics
H-Index
i10 Index
Citation Counts
20
32
1,427
Rankings
Ranking Based On Selection: 99
Eric Danner
Metrics
H-Index
i10 Index
Citation Counts
20
27
2,657
Biophysical ecology
temperature modeling
community ecology
Rankings
Ranking Based On Selection: 100
Steve Barbeaux
Metrics
H-Index
i10 Index
Citation Counts
20
41
2,021
fisheries
stock assessment
fisheries management
observers
cooperative research
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