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: 2
Kathleen N Lohr
health services research
patient outcomes
quality of care
evidence-based practic
Metrics
 
H-Index
i10 Index
Citation
115
267
69,900
* Rankings
Ranking Based On Selection: 3
Michael Willoughby
Self-regulation
ADHD
disruptive behavior disorders
executive functio
Metrics
 
H-Index
i10 Index
Citation
73
158
18,482
* Rankings
Ranking Based On Selection: 4
Barbara Biesecker
Translational science in clinical genomics
health decision tools
patient centered outcomes researc
Metrics
 
H-Index
i10 Index
Citation
66
174
14,364
* Rankings
Ranking Based On Selection: 5
Bradley T Webb
Statistical genetics
Bioinformatics
Data Scienc
Metrics
 
H-Index
i10 Index
Citation
65
130
44,009
* Rankings
Ranking Based On Selection: 6
Grier Page
Statistical genetics
systems biology
predictive analytics
next-generation sequencing
bioinformatic
Metrics
 
H-Index
i10 Index
Citation
64
145
18,869
* Rankings
Ranking Based On Selection: 7
Eric Otto Johnson
addiction
HIV
genetics
gene regulation
integrative Omic
Metrics
 
H-Index
i10 Index
Citation
62
130
19,601
* Rankings
Ranking Based On Selection: 10
Donal Bisanzio
Public Health
Disease ecology
Epidemiology
Spatial Analysis
Network analysi
Metrics
 
H-Index
i10 Index
Citation
50
85
89,344
* Rankings
Ranking Based On Selection: 11
Rachel Nugent
health economics
NCDs
chronic diseases
donor fundin
Metrics
 
H-Index
i10 Index
Citation
48
103
12,549
* Rankings
Ranking Based On Selection: 12
Chessa Lutter
Nutrition
public health
maternal and child nutritio
Metrics
 
H-Index
i10 Index
Citation
47
77
11,423
* Rankings
Ranking Based On Selection: 13
Wendee Wechsberg
gender
substance use and abuse
HIV prevention
Violenc
Metrics
 
H-Index
i10 Index
Citation
46
132
6,302
* Rankings
Ranking Based On Selection: 14
Brian Southwell
public understanding of science and health
trust
campaign evaluation
social network
Metrics
 
H-Index
i10 Index
Citation
45
103
7,066
* Rankings
Ranking Based On Selection: 16
David Dayton
biofuels
thermochemcial conversio
Metrics
 
H-Index
i10 Index
Citation
44
79
8,683
* Rankings
Ranking Based On Selection: 17
Stephen Edwards
bioinformatics
systems biology
computational toxicolog
Metrics
 
H-Index
i10 Index
Citation
43
74
10,492
* Rankings
Ranking Based On Selection: 18
Nathan A Vandergrift
Structural equations modeling
generalized linear and nonlinear models
infectious diseas
Metrics
 
H-Index
i10 Index
Citation
42
63
10,220
* Rankings
Ranking Based On Selection: 20
Dana Hancock
genetics
epidemiology
addiction
respiratory diseas
Metrics
 
H-Index
i10 Index
Citation
39
74
8,534
* Rankings
Ranking Based On Selection: 21
Estel Plana
Biostatistics
Epidemiology
Pharmacoepidemiolog
Metrics
 
H-Index
i10 Index
Citation
38
49
5,937
* Rankings
Ranking Based On Selection: 22
Matthew Ch Jukes
Education
culture
evidence
literacy
Afric
Metrics
 
H-Index
i10 Index
Citation
38
57
5,927
* Rankings
Ranking Based On Selection: 24
R Craig Lefebvre
social marketing
health communications
public health
social change
behavioral scienc
Metrics
 
H-Index
i10 Index
Citation
37
72
10,224
Rankings
Ranking Based On Selection: 1
Kenneth J Rothman
Metrics
 
H-Index
i10 Index
Citation Counts
124
516
116,020
Rankings
Ranking Based On Selection: 2
Kathleen N Lohr
Metrics
 
H-Index
i10 Index
Citation Counts
115
267
69,900
health services research
patient outcomes
quality of care
evidence-based practic
Rankings
Ranking Based On Selection: 3
Michael Willoughby
Metrics
 
H-Index
i10 Index
Citation Counts
73
158
18,482
Self-regulation
ADHD
disruptive behavior disorders
executive functio
Rankings
Ranking Based On Selection: 4
Barbara Biesecker
Metrics
 
H-Index
i10 Index
Citation Counts
66
174
14,364
Translational science in clinical genomics
health decision tools
patient centered outcomes researc
Rankings
Ranking Based On Selection: 5
Bradley T Webb
Metrics
 
H-Index
i10 Index
Citation Counts
65
130
44,009
Rankings
Ranking Based On Selection: 6
Grier Page
Metrics
 
H-Index
i10 Index
Citation Counts
64
145
18,869
Statistical genetics
systems biology
predictive analytics
next-generation sequencing
bioinformatic
Rankings
Ranking Based On Selection: 7
Eric Otto Johnson
Metrics
 
H-Index
i10 Index
Citation Counts
62
130
19,601
addiction
HIV
genetics
gene regulation
integrative Omic
Rankings
Ranking Based On Selection: 8
Melissa Mcpheeters
Metrics
 
H-Index
i10 Index
Citation Counts
61
123
13,186
Rankings
Ranking Based On Selection: 9
Matthew C Farrelly
Metrics
 
H-Index
i10 Index
Citation Counts
59
120
11,588
Rankings
Ranking Based On Selection: 10
Donal Bisanzio
Metrics
 
H-Index
i10 Index
Citation Counts
50
85
89,344
Public Health
Disease ecology
Epidemiology
Spatial Analysis
Network analysi
Rankings
Ranking Based On Selection: 11
Rachel Nugent
Metrics
 
H-Index
i10 Index
Citation Counts
48
103
12,549
health economics
NCDs
chronic diseases
donor fundin
Rankings
Ranking Based On Selection: 12
Chessa Lutter
Metrics
 
H-Index
i10 Index
Citation Counts
47
77
11,423
Rankings
Ranking Based On Selection: 13
Wendee Wechsberg
Metrics
 
H-Index
i10 Index
Citation Counts
46
132
6,302
gender
substance use and abuse
HIV prevention
Violenc
Rankings
Ranking Based On Selection: 14
Brian Southwell
Metrics
 
H-Index
i10 Index
Citation Counts
45
103
7,066
public understanding of science and health
trust
campaign evaluation
social network
Rankings
Ranking Based On Selection: 15
Timothy R Fennell
Metrics
 
H-Index
i10 Index
Citation Counts
45
108
7,567
Rankings
Ranking Based On Selection: 16
David Dayton
Metrics
 
H-Index
i10 Index
Citation Counts
44
79
8,683
biofuels
thermochemcial conversio
Rankings
Ranking Based On Selection: 17
Stephen Edwards
Metrics
 
H-Index
i10 Index
Citation Counts
43
74
10,492
bioinformatics
systems biology
computational toxicolog
Rankings
Ranking Based On Selection: 18
Nathan A Vandergrift
Metrics
 
H-Index
i10 Index
Citation Counts
42
63
10,220
Structural equations modeling
generalized linear and nonlinear models
infectious diseas
Rankings
Ranking Based On Selection: 19
Laura Horn
Metrics
 
H-Index
i10 Index
Citation Counts
42
68
10,117
Rankings
Ranking Based On Selection: 20
Dana Hancock
Metrics
 
H-Index
i10 Index
Citation Counts
39
74
8,534
Rankings
Ranking Based On Selection: 21
Estel Plana
Metrics
 
H-Index
i10 Index
Citation Counts
38
49
5,937
Rankings
Ranking Based On Selection: 22
Matthew Ch Jukes
Metrics
 
H-Index
i10 Index
Citation Counts
38
57
5,927
Rankings
Ranking Based On Selection: 23
Wayne Holden
Metrics
 
H-Index
i10 Index
Citation Counts
38
67
4,303
Rankings
Ranking Based On Selection: 24
R Craig Lefebvre
Metrics
 
H-Index
i10 Index
Citation Counts
37
72
10,224
social marketing
health communications
public health
social change
behavioral scienc
Rankings
Ranking Based On Selection: 25
Edward Preble
Metrics
 
H-Index
i10 Index
Citation Counts
37
83
4,741