Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
* Total Citation Counts Rankings
World Rank
114,127
Country Rank
44,918
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Michael Samuel](https://cdn.adscientificindex.com/pictures/13/4980250.jpg)
public health
disease surveillance
epidemiologic methods
data visualization
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,579
1,647
0.192
* Total Citation Counts Rankings
World Rank
136,816
Country Rank
52,435
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Michelle Pearl](/user/assets/images/profile/no-profile-photo.png)
Perinatal epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,277
1,836
0.252
* Total Citation Counts Rankings
World Rank
138,555
Country Rank
53,015
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Natalie M. Linton](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,191
7,140
0.993
* Total Citation Counts Rankings
World Rank
147,241
Country Rank
55,839
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Paula Krakowiak](https://cdn.adscientificindex.com/pictures/7d/4980254.jpg)
Maternal Mortality
Maternal Health
Pregnancy Complications
Social Determinants of Health
Neurodevelopmenta
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,789
3,278
0.483
* Total Citation Counts Rankings
World Rank
192,811
Country Rank
70,044
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Mohan R Dasu](/user/assets/images/profile/no-profile-photo.png)
Inflammation
Diabetes
DM Complications
Tissue repair and regeneration
Oral Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,185
1,569
0.303
* Total Citation Counts Rankings
World Rank
264,307
Country Rank
91,238
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Jianwen She](https://cdn.adscientificindex.com/pictures/3e/4980256.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,696
1,376
0.372
* Total Citation Counts Rankings
World Rank
281,424
Country Rank
96,258
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Janet M. Macher](https://cdn.adscientificindex.com/pictures/c6/4980257.jpg)
aerobiology
environment
indoor
infection
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,434
929
0.271
* Total Citation Counts Rankings
World Rank
295,336
Country Rank
100,245
Institution Rank : 8
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Sutapa Ghosal](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,245
1,612
0.497
* Total Citation Counts Rankings
World Rank
301,144
Country Rank
101,905
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Jed Waldman](https://cdn.adscientificindex.com/pictures/97/4980258.jpg)
Indoor air quality
biomonitoring
exposure assessment
laboratory QA
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,171
291
0.092
* Total Citation Counts Rankings
World Rank
346,916
Country Rank
114,808
Institution Rank : 10
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Linda Schultz Lewis](/user/assets/images/profile/no-profile-photo.png)
infectious disease
epidemiology
outbreak investigations
global health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,668
377
0.141
* Total Citation Counts Rankings
World Rank
356,081
Country Rank
117,369
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Erin Epson](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,581
2,295
0.889
* Total Citation Counts Rankings
World Rank
371,845
Country Rank
121,792
Institution Rank : 12
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Kerry Padgett](https://cdn.adscientificindex.com/pictures/3d/4980261.jpg)
Parasitology
Medical Entomology
Public Health
Zoonoses
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,441
1,377
0.564
* Total Citation Counts Rankings
World Rank
416,592
Country Rank
134,024
Institution Rank : 13
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Kazukiyo Kumagai](https://cdn.adscientificindex.com/pictures/e8/1346174.jpg)
environmental engineering
public health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,097
1,187
0.566
* Total Citation Counts Rankings
World Rank
421,108
Country Rank
135,289
Institution Rank : 14
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Peter A Jaques](https://cdn.adscientificindex.com/pictures/17/4980262.jpg)
Indoor Air Quality
Outdoor Air Quality
Environmental Health
Aerosol Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,067
412
0.199
* Total Citation Counts Rankings
World Rank
425,299
Country Rank
136,456
Institution Rank : 15
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Dongli Wang](/user/assets/images/profile/no-profile-photo.png)
Environmental Chemistry
Toxicology
Emerging Contaminants
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,040
667
0.327
* Total Citation Counts Rankings
World Rank
445,578
Country Rank
141,939
Institution Rank : 16
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Cindy H. Wu](/user/assets/images/profile/no-profile-photo.png)
Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,912
793
0.415
* Total Citation Counts Rankings
World Rank
461,570
Country Rank
146,254
Institution Rank : 17
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Zhong-Min Wang](/pictures/32/4980267.jpg)
aerosol
air quality
nanoparticles
nanomaterials
photocatalysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,819
1,015
0.558
* Total Citation Counts Rankings
World Rank
471,106
Country Rank
148,862
Institution Rank : 18
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Hao Tang](/user/assets/images/profile/no-profile-photo.png)
tobacco control
genetic disease screening
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,766
694
0.393
* Total Citation Counts Rankings
World Rank
490,539
Country Rank
154,004
Institution Rank : 19
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Jeff Wagner](/user/assets/images/profile/no-profile-photo.png)
exposure assessment
environmental forensics
microscopy
particle characterization
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,663
1,147
0.690
* Total Citation Counts Rankings
World Rank
524,401
Country Rank
163,094
Institution Rank : 20
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Yanyi K Djamba](/pictures/a2/4980268.jpg)
Demography
sexual behavior
public health
gender
immigration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,505
752
0.500
* Total Citation Counts Rankings
World Rank
535,126
Country Rank
165,905
Institution Rank : 21
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Wenhao Chen](https://cdn.adscientificindex.com/pictures/0d/4980273.jpg)
Indoor air quality
Exposure
Material Emissions
Public Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,458
899
0.617
* Total Citation Counts Rankings
World Rank
570,385
Country Rank
175,186
Institution Rank : 22
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Rasoul Alikhani Koupaei](/user/assets/images/profile/no-profile-photo.png)
Clinical Biochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,316
525
0.399
* Total Citation Counts Rankings
World Rank
570,432
Country Rank
175,195
Institution Rank : 23
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![R. Esala P. Chandrasena](/user/assets/images/profile/no-profile-photo.png)
Drug Metabolism
Toxicology
Environmental Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,316
269
0.204
* Total Citation Counts Rankings
World Rank
575,025
Country Rank
176,411
Institution Rank : 24
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Jennifer F. Myers](/pictures/19/4980274.jpg)
Infectious Disease Surveillance
Applied Informatics
Epidemiology
GIS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,298
1,297
0.999
* Total Citation Counts Rankings
World Rank
590,704
Country Rank
180,388
Institution Rank : 25
![](https://cdn.adscientificindex.com/logos/26794.png)
![United States](/flags/us.png)
![Steve Nickell](/user/assets/images/profile/no-profile-photo.png)
Immunology/vaccinology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,242
217
0.175
* Total Citation Counts Rankings
World Ranking
114,127
Country Ranking
44,918
Institution Ranking
1
Michael Samuel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,579
1,647
0.192
![](https://cdn.adscientificindex.com/logos/26794.png)
public health
disease surveillance
epidemiologic methods
data visualization
* Total Citation Counts Rankings
World Ranking
136,816
Country Ranking
52,435
Institution Ranking
2
Michelle Pearl
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,277
1,836
0.252
![](https://cdn.adscientificindex.com/logos/26794.png)
Perinatal epidemiology
* Total Citation Counts Rankings
World Ranking
138,555
Country Ranking
53,015
Institution Ranking
3
Natalie M. Linton
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,191
7,140
0.993
* Total Citation Counts Rankings
World Ranking
147,241
Country Ranking
55,839
Institution Ranking
4
Paula Krakowiak
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,789
3,278
0.483
![](https://cdn.adscientificindex.com/logos/26794.png)
Maternal Mortality
Maternal Health
Pregnancy Complications
Social Determinants of Health
Neurodevelopmenta
* Total Citation Counts Rankings
World Ranking
192,811
Country Ranking
70,044
Institution Ranking
5
Mohan R Dasu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,185
1,569
0.303
![](https://cdn.adscientificindex.com/logos/26794.png)
Inflammation
Diabetes
DM Complications
Tissue repair and regeneration
Oral Health
* Total Citation Counts Rankings
World Ranking
264,307
Country Ranking
91,238
Institution Ranking
6
Jianwen She
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,696
1,376
0.372
* Total Citation Counts Rankings
World Ranking
281,424
Country Ranking
96,258
Institution Ranking
7
Janet M. Macher
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,434
929
0.271
![](https://cdn.adscientificindex.com/logos/26794.png)
aerobiology
environment
indoor
infection
* Total Citation Counts Rankings
World Ranking
295,336
Country Ranking
100,245
Institution Ranking
8
Sutapa Ghosal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,245
1,612
0.497
* Total Citation Counts Rankings
World Ranking
301,144
Country Ranking
101,905
Institution Ranking
9
Jed Waldman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,171
291
0.092
![](https://cdn.adscientificindex.com/logos/26794.png)
Indoor air quality
biomonitoring
exposure assessment
laboratory QA
* Total Citation Counts Rankings
World Ranking
346,916
Country Ranking
114,808
Institution Ranking
10
Linda Schultz Lewis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,668
377
0.141
![](https://cdn.adscientificindex.com/logos/26794.png)
infectious disease
epidemiology
outbreak investigations
global health
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* Total Citation Counts Rankings
World Ranking
356,081
Country Ranking
117,369
Institution Ranking
11
Erin Epson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,581
2,295
0.889
* Total Citation Counts Rankings
World Ranking
371,845
Country Ranking
121,792
Institution Ranking
12
Kerry Padgett
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,441
1,377
0.564
![](https://cdn.adscientificindex.com/logos/26794.png)
Parasitology
Medical Entomology
Public Health
Zoonoses
* Total Citation Counts Rankings
World Ranking
416,592
Country Ranking
134,024
Institution Ranking
13
Kazukiyo Kumagai
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,097
1,187
0.566
![](https://cdn.adscientificindex.com/logos/26794.png)
environmental engineering
public health
* Total Citation Counts Rankings
World Ranking
421,108
Country Ranking
135,289
Institution Ranking
14
Peter A Jaques
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,067
412
0.199
![](https://cdn.adscientificindex.com/logos/26794.png)
Indoor Air Quality
Outdoor Air Quality
Environmental Health
Aerosol Science
* Total Citation Counts Rankings
World Ranking
425,299
Country Ranking
136,456
Institution Ranking
15
Dongli Wang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,040
667
0.327
![](https://cdn.adscientificindex.com/logos/26794.png)
Environmental Chemistry
Toxicology
Emerging Contaminants
* Total Citation Counts Rankings
World Ranking
445,578
Country Ranking
141,939
Institution Ranking
16
Cindy H. Wu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,912
793
0.415
* Total Citation Counts Rankings
World Ranking
461,570
Country Ranking
146,254
Institution Ranking
17
Zhong-Min Wang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,819
1,015
0.558
![](https://cdn.adscientificindex.com/logos/26794.png)
aerosol
air quality
nanoparticles
nanomaterials
photocatalysis
* Total Citation Counts Rankings
World Ranking
471,106
Country Ranking
148,862
Institution Ranking
18
Hao Tang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,766
694
0.393
![](https://cdn.adscientificindex.com/logos/26794.png)
tobacco control
genetic disease screening
* Total Citation Counts Rankings
World Ranking
490,539
Country Ranking
154,004
Institution Ranking
19
Jeff Wagner
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,663
1,147
0.690
![](https://cdn.adscientificindex.com/logos/26794.png)
exposure assessment
environmental forensics
microscopy
particle characterization
* Total Citation Counts Rankings
World Ranking
524,401
Country Ranking
163,094
Institution Ranking
20
Yanyi K Djamba
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,505
752
0.500
![](https://cdn.adscientificindex.com/logos/26794.png)
Demography
sexual behavior
public health
gender
immigration
* Total Citation Counts Rankings
World Ranking
535,126
Country Ranking
165,905
Institution Ranking
21
Wenhao Chen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,458
899
0.617
![](https://cdn.adscientificindex.com/logos/26794.png)
Indoor air quality
Exposure
Material Emissions
Public Health
* Total Citation Counts Rankings
World Ranking
570,385
Country Ranking
175,186
Institution Ranking
22
Rasoul Alikhani Koupaei
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,316
525
0.399
![](https://cdn.adscientificindex.com/logos/26794.png)
Clinical Biochemistry
* Total Citation Counts Rankings
World Ranking
570,432
Country Ranking
175,195
Institution Ranking
23
R. Esala P. Chandrasena
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,316
269
0.204
* Total Citation Counts Rankings
World Ranking
575,025
Country Ranking
176,411
Institution Ranking
24
Jennifer F. Myers
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,298
1,297
0.999
![](https://cdn.adscientificindex.com/logos/26794.png)
Infectious Disease Surveillance
Applied Informatics
Epidemiology
GIS
* Total Citation Counts Rankings
World Ranking
590,704
Country Ranking
180,388
Institution Ranking
25
Steve Nickell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,242
217
0.175
![](https://cdn.adscientificindex.com/logos/26794.png)
Immunology/vaccinology