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" (870,053 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
Deborah Tolman
adolescent psychology
sexuality
gender
feminist research
qualitative methods
Metrics
H-Index
i10 Index
Citation
51
74
12,926
* Rankings
Ranking Based On Selection: 2
Tyrel J Starks
couples counseling
sexual and gender minority health
substance use
HIV
Metrics
H-Index
i10 Index
Citation
37
89
4,650
Gautam Sen
Geology
Higher Education & Research
Anything interesting
Metrics
H-Index
i10 Index
Citation
32
58
3,093
Karen S Lyness
female executives
gender discrimination
careers
work -life balance
workforce diversity
Metrics
H-Index
i10 Index
Citation
24
25
9,694
Els De Graauw
Immigration
civil society organizations
urban politics and policy
qualitative research methods
Metrics
H-Index
i10 Index
Citation
20
32
2,032
John Casey
nonprofits
third sector
civil society
NGOs
immigration
Metrics
H-Index
i10 Index
Citation
19
27
1,548
* Rankings
Ranking Based On Selection: 10
Emily Drabinski
Critical library instruction
gender and sexuality and information studies
Metrics
H-Index
i10 Index
Citation
17
20
1,306

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* Rankings
Ranking Based On Selection: 11
Yana Kuchirko
culture
ethnicity/race
socialization
gender parenting
Metrics
H-Index
i10 Index
Citation
16
18
1,936
* Rankings
Ranking Based On Selection: 12
Celina Su
participatory democracy
social movements
civil society
participatory budgeting
community organizing
Metrics
H-Index
i10 Index
Citation
16
18
1,476
* Rankings
Ranking Based On Selection: 13
Madeline Fox
participatory action research
youth studies
structural violence
building community power
Metrics
H-Index
i10 Index
Citation
14
19
1,529
* Rankings
Ranking Based On Selection: 14
Alyson Cole
Feminism
Victimhood/Survivorship
Vulnerability/Precarity
Digital Politics
Metrics
H-Index
i10 Index
Citation
12
13
996
* Rankings
Ranking Based On Selection: 15
Jay Bernstein
Knowledge organization
Knowledge management
Library and Information Science
Anthropology
Sociology of Knowledge
Metrics
H-Index
i10 Index
Citation
12
14
1,341
* Rankings
Ranking Based On Selection: 16
Andrew J Polsky
American politics
presidency
American political development
political parties
Metrics
H-Index
i10 Index
Citation
11
13
722
Jill Cirasella
Scholarly Communication
Open Access
Academic Librarianship
Graduate Librarianship
Hard of Hearing Librarians
Metrics
H-Index
i10 Index
Citation
8
6
648
Nancy Foasberg
rhetoric
information literacy
open access
reading practices
board games
Metrics
H-Index
i10 Index
Citation
6
6
624
J. Mohorčich
pragmatism
literature and politics
infrastructure
science and politics
Metrics
H-Index
i10 Index
Citation
6
3
193
Patricio Vicuna
Transportation Engineering
Urban Planning
Transportation Systems
Machine Learning
Deep Learning
Metrics
H-Index
i10 Index
Citation
4
3
57
Carl R. Andrews
Embedded Librarianship
College Readiness
Adult Learners
Information Literacy Instruction
Metrics
H-Index
i10 Index
Citation
4
2
127
Lauren Yannotta
academic librarianship
information literacy
information literacy assessment
web usability
community libraries in Africa
Metrics
H-Index
i10 Index
Citation
2
2
133
Kristofer J Petersen-Overton
Political Theory
Violence & Atrocity
Moral Responsibility
Israel-Palestine
Structural Injustice
Metrics
H-Index
i10 Index
Citation
2
0
11
Kenneth Schlesinger
Library Management
Performing Arts Collections
Intellectual Property
Digital Preservation
International Librarianship
Metrics
H-Index
i10 Index
Citation
2
0
10
Rankings
Ranking Based On Selection: 1
Deborah Tolman
Metrics
H-Index
i10 Index
Citation Counts
51
74
12,926
adolescent psychology
sexuality
gender
feminist research
qualitative methods
Rankings
Ranking Based On Selection: 2
Tyrel J Starks
Metrics
H-Index
i10 Index
Citation Counts
37
89
4,650
couples counseling
sexual and gender minority health
substance use
HIV
Rankings
Ranking Based On Selection: 3
Gautam Sen
Metrics
H-Index
i10 Index
Citation Counts
32
58
3,093
Geology
Higher Education & Research
Anything interesting
Rankings
Ranking Based On Selection: 4
Karen S Lyness
Metrics
H-Index
i10 Index
Citation Counts
24
25
9,694
female executives
gender discrimination
careers
work -life balance
workforce diversity
Rankings
Ranking Based On Selection: 5
Enrique Desmond Arias
Metrics
H-Index
i10 Index
Citation Counts
21
30
3,809
Rankings
Ranking Based On Selection: 6
Els De Graauw
Metrics
H-Index
i10 Index
Citation Counts
20
32
2,032
Immigration
civil society organizations
urban politics and policy
qualitative research methods
Rankings
Ranking Based On Selection: 7
Charles Tien
Metrics
H-Index
i10 Index
Citation Counts
20
29
1,440
Rankings
Ranking Based On Selection: 8
John Casey
Metrics
H-Index
i10 Index
Citation Counts
19
27
1,548
nonprofits
third sector
civil society
NGOs
immigration
Rankings
Ranking Based On Selection: 9
Anthony Marcus
Metrics
H-Index
i10 Index
Citation Counts
18
24
2,654
Rankings
Ranking Based On Selection: 10
Emily Drabinski
Metrics
H-Index
i10 Index
Citation Counts
17
20
1,306
Critical library instruction
gender and sexuality and information studies

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
Yana Kuchirko
Metrics
H-Index
i10 Index
Citation Counts
16
18
1,936
culture
ethnicity/race
socialization
gender parenting
Rankings
Ranking Based On Selection: 12
Celina Su
Metrics
H-Index
i10 Index
Citation Counts
16
18
1,476
participatory democracy
social movements
civil society
participatory budgeting
community organizing
Rankings
Ranking Based On Selection: 13
Madeline Fox
Metrics
H-Index
i10 Index
Citation Counts
14
19
1,529
participatory action research
youth studies
structural violence
building community power
Rankings
Ranking Based On Selection: 14
Alyson Cole
Metrics
H-Index
i10 Index
Citation Counts
12
13
996
Feminism
Victimhood/Survivorship
Vulnerability/Precarity
Digital Politics
Rankings
Ranking Based On Selection: 15
Jay Bernstein
Metrics
H-Index
i10 Index
Citation Counts
12
14
1,341
Knowledge organization
Knowledge management
Library and Information Science
Anthropology
Sociology of Knowledge
Rankings
Ranking Based On Selection: 16
Andrew J Polsky
Metrics
H-Index
i10 Index
Citation Counts
11
13
722
American politics
presidency
American political development
political parties
Rankings
Ranking Based On Selection: 18
Bryan Warde
Metrics
H-Index
i10 Index
Citation Counts
10
10
535
Rankings
Ranking Based On Selection: 19
Mark Blasius
Metrics
H-Index
i10 Index
Citation Counts
9
9
3,229
Rankings
Ranking Based On Selection: 20
Salah Idris
Metrics
H-Index
i10 Index
Citation Counts
8
8
550
Rankings
Ranking Based On Selection: 21
Jill Cirasella
Metrics
H-Index
i10 Index
Citation Counts
8
6
648
Scholarly Communication
Open Access
Academic Librarianship
Graduate Librarianship
Hard of Hearing Librarians
Rankings
Ranking Based On Selection: 22
Nancy Foasberg
Metrics
H-Index
i10 Index
Citation Counts
6
6
624
rhetoric
information literacy
open access
reading practices
board games
Rankings
Ranking Based On Selection: 24
J. Mohorčich
Metrics
H-Index
i10 Index
Citation Counts
6
3
193
pragmatism
literature and politics
infrastructure
science and politics
Rankings
Ranking Based On Selection: 25
Miseon Kim
Metrics
H-Index
i10 Index
Citation Counts
6
3
97
Rankings
Ranking Based On Selection: 26
Alison Lehner-Quam
Metrics
H-Index
i10 Index
Citation Counts
5
3
74
Information Literacy
Children's Literature
Education
Rankings
Ranking Based On Selection: 27
Patricio Vicuna
Metrics
H-Index
i10 Index
Citation Counts
4
3
57
Transportation Engineering
Urban Planning
Transportation Systems
Machine Learning
Deep Learning
Rankings
Ranking Based On Selection: 28
Carl R. Andrews
Metrics
H-Index
i10 Index
Citation Counts
4
2
127
Embedded Librarianship
College Readiness
Adult Learners
Information Literacy Instruction
Rankings
Ranking Based On Selection: 30
Alex J Moffett-Bateau|Alexandra Moffett-Bateau
Metrics
H-Index
i10 Index
Citation Counts
4
2
51
Race
Gender
Class
American Politics
Black Feminist Political Theory.
Rankings
Ranking Based On Selection: 31
Jean Amaral
Metrics
H-Index
i10 Index
Citation Counts
4
1
43
library and information science
mindfulness
leadership
Rankings
Ranking Based On Selection: 32
Elizabeth K Tompkins
Metrics
H-Index
i10 Index
Citation Counts
4
2
66
Rankings
Ranking Based On Selection: 33
Karl Madden
Metrics
H-Index
i10 Index
Citation Counts
4
1
42
Library Science
Creative Writing
Publishing
Music
Art
Rankings
Ranking Based On Selection: 34
Mark E Eaton
Metrics
H-Index
i10 Index
Citation Counts
3
1
45
Rankings
Ranking Based On Selection: 35
Julia Furay
Metrics
H-Index
i10 Index
Citation Counts
3
1
35
Rankings
Ranking Based On Selection: 36
Jason Legggett
Metrics
H-Index
i10 Index
Citation Counts
3
1
31
Rankings
Ranking Based On Selection: 37
Lauren Yannotta
Metrics
H-Index
i10 Index
Citation Counts
2
2
133
academic librarianship
information literacy
information literacy assessment
web usability
community libraries in Africa
Rankings
Ranking Based On Selection: 38
Elizabeth Jardine
Metrics
H-Index
i10 Index
Citation Counts
2
0
14
Rankings
Ranking Based On Selection: 39
Kristofer J Petersen-Overton
Metrics
H-Index
i10 Index
Citation Counts
2
0
11
Political Theory
Violence & Atrocity
Moral Responsibility
Israel-Palestine
Structural Injustice
Rankings
Ranking Based On Selection: 40
Kenneth Schlesinger
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
Library Management
Performing Arts Collections
Intellectual Property
Digital Preservation
International Librarianship
Rankings
Ranking Based On Selection: 42
Alexander Lord
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
International Relations
Sport for Development
Sport Diplomacy