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 rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,289 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 1
Togay Ozbakkaloglu
Civil engineering
Structural engineering
Reinforced concrete
Concrete
FR
Metrics
 
H-Index
i10 Index
Citation
85
228
24,181
* Rankings
Ranking Based On Selection: 2
Russell Lang
Applied Behavior Analysis
Autism
Assistive Technology
Intellectual Disabilitie
Metrics
 
H-Index
i10 Index
Citation
70
180
16,282
* Rankings
Ranking Based On Selection: 3
Xiao Chen
wireless networks
delay tolerant networks
ad hoc wireless network
Metrics
 
H-Index
i10 Index
Citation
63
234
17,245
* Rankings
Ranking Based On Selection: 4
William J Brittain
polymer brushes
physical organic chemistry
organic chromophore
Metrics
 
H-Index
i10 Index
Citation
55
106
13,431
* Rankings
Ranking Based On Selection: 6
Soe W. Myint
Environmental Geoinfomatics
Land Use Land Cover Change
Water and the Environment
Space tim
Metrics
 
H-Index
i10 Index
Citation
53
112
12,129
* Rankings
Ranking Based On Selection: 8
Edwin Piner
Physics & Engineerin
Metrics
 
H-Index
i10 Index
Citation
53
117
7,806
* Rankings
Ranking Based On Selection: 10
Marcus Felson
crime theory
crime data
routine activitie
Metrics
 
H-Index
i10 Index
Citation
52
98
35,414
* Rankings
Ranking Based On Selection: 11
Mark Holtz
Nanoscience
Semiconductors
Optical Properties
Thermal Propertie
Metrics
 
H-Index
i10 Index
Citation
52
151
8,146
* Rankings
Ranking Based On Selection: 12
Raymond P Fisk
serving humanity
transformative service
services marketing
service marketing
service desig
Metrics
 
H-Index
i10 Index
Citation
51
92
18,220
* Rankings
Ranking Based On Selection: 16
Madan M Dey
Agricultural Economics
Aquaculture
Fisheries
International Agricultural Developmen
Metrics
 
H-Index
i10 Index
Citation
48
129
8,111
* Rankings
Ranking Based On Selection: 17
Yuan Lu
bioinformatics
cancer research
computational biolog
Metrics
 
H-Index
i10 Index
Citation
47
225
9,275
* Rankings
Ranking Based On Selection: 19
Duane Knudson
Biomechanics
Sports Biomechanics
Exercise Science
Kinesiology
Tenni
Metrics
 
H-Index
i10 Index
Citation
44
128
9,124
* Rankings
Ranking Based On Selection: 21
John P Tiefenbacher
hazards
disasters
human responses to climate change
borderland
Metrics
 
H-Index
i10 Index
Citation
43
83
5,282
* Rankings
Ranking Based On Selection: 22
Mitchell Chamlin
interrupted time series
anomie
social control
macrocriminolog
Metrics
 
H-Index
i10 Index
Citation
43
63
6,580
* Rankings
Ranking Based On Selection: 24
Ranjit G Gurav
Biotechnology
Biological Engineering
Environmental Engineering
Chemical Engineerin
Metrics
 
H-Index
i10 Index
Citation
40
85
5,189
* Rankings
Ranking Based On Selection: 25
Khalid Arar
Educational Leadership and Policy
Social Justice
Equity
Diversity
Refugee and displace
Metrics
 
H-Index
i10 Index
Citation
40
112
5,016
Rankings
Ranking Based On Selection: 1
Togay Ozbakkaloglu
Metrics
 
H-Index
i10 Index
Citation Counts
85
228
24,181
Civil engineering
Structural engineering
Reinforced concrete
Concrete
FR
Rankings
Ranking Based On Selection: 2
Russell Lang
Metrics
 
H-Index
i10 Index
Citation Counts
70
180
16,282
Applied Behavior Analysis
Autism
Assistive Technology
Intellectual Disabilitie
Rankings
Ranking Based On Selection: 3
Xiao Chen
Metrics
 
H-Index
i10 Index
Citation Counts
63
234
17,245
wireless networks
delay tolerant networks
ad hoc wireless network
Rankings
Ranking Based On Selection: 4
William J Brittain
Metrics
 
H-Index
i10 Index
Citation Counts
55
106
13,431
Rankings
Ranking Based On Selection: 5
James Lesage
Metrics
 
H-Index
i10 Index
Citation Counts
54
133
24,901
Rankings
Ranking Based On Selection: 6
Soe W. Myint
Metrics
 
H-Index
i10 Index
Citation Counts
53
112
12,129
Environmental Geoinfomatics
Land Use Land Cover Change
Water and the Environment
Space tim
Rankings
Ranking Based On Selection: 7
Gary Beall
Metrics
 
H-Index
i10 Index
Citation Counts
53
141
9,949
Rankings
Ranking Based On Selection: 8
Edwin Piner
Metrics
 
H-Index
i10 Index
Citation Counts
53
117
7,806
Rankings
Ranking Based On Selection: 9
Ravi Droopad
Metrics
 
H-Index
i10 Index
Citation Counts
53
206
11,389
Rankings
Ranking Based On Selection: 10
Marcus Felson
Metrics
 
H-Index
i10 Index
Citation Counts
52
98
35,414
crime theory
crime data
routine activitie
Rankings
Ranking Based On Selection: 11
Mark Holtz
Metrics
 
H-Index
i10 Index
Citation Counts
52
151
8,146
Nanoscience
Semiconductors
Optical Properties
Thermal Propertie
Rankings
Ranking Based On Selection: 12
Raymond P Fisk
Metrics
 
H-Index
i10 Index
Citation Counts
51
92
18,220
serving humanity
transformative service
services marketing
service marketing
service desig
Rankings
Ranking Based On Selection: 13
Alexander Kornienko
Metrics
 
H-Index
i10 Index
Citation Counts
51
114
8,214
Rankings
Ranking Based On Selection: 14
David R Butler
Metrics
 
H-Index
i10 Index
Citation Counts
50
142
8,436
Rankings
Ranking Based On Selection: 15
Lee Friedman
Metrics
 
H-Index
i10 Index
Citation Counts
49
90
10,098
Rankings
Ranking Based On Selection: 16
Madan M Dey
Metrics
 
H-Index
i10 Index
Citation Counts
48
129
8,111
Agricultural Economics
Aquaculture
Fisheries
International Agricultural Developmen
Rankings
Ranking Based On Selection: 17
Yuan Lu
Metrics
 
H-Index
i10 Index
Citation Counts
47
225
9,275
Rankings
Ranking Based On Selection: 18
Michael A Huston
Metrics
 
H-Index
i10 Index
Citation Counts
46
70
32,348
Rankings
Ranking Based On Selection: 19
Duane Knudson
Metrics
 
H-Index
i10 Index
Citation Counts
44
128
9,124
Biomechanics
Sports Biomechanics
Exercise Science
Kinesiology
Tenni
Rankings
Ranking Based On Selection: 20
Robert Jc Mclean
Metrics
 
H-Index
i10 Index
Citation Counts
44
92
7,692
Rankings
Ranking Based On Selection: 21
John P Tiefenbacher
Metrics
 
H-Index
i10 Index
Citation Counts
43
83
5,282
hazards
disasters
human responses to climate change
borderland
Rankings
Ranking Based On Selection: 22
Mitchell Chamlin
Metrics
 
H-Index
i10 Index
Citation Counts
43
63
6,580
interrupted time series
anomie
social control
macrocriminolog
Rankings
Ranking Based On Selection: 23
Jill Pruetz
Metrics
 
H-Index
i10 Index
Citation Counts
42
74
6,129
Rankings
Ranking Based On Selection: 24
Ranjit G Gurav
Metrics
 
H-Index
i10 Index
Citation Counts
40
85
5,189
Biotechnology
Biological Engineering
Environmental Engineering
Chemical Engineerin
Rankings
Ranking Based On Selection: 25
Khalid Arar
Metrics
 
H-Index
i10 Index
Citation Counts
40
112
5,016
Educational Leadership and Policy
Social Justice
Equity
Diversity
Refugee and displace