Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 1.563 Scientists Citation Rankings - 2025

The Citation Rankings (Highly Cited Researchers) list highlights the most cited and influential researchers across a vast range of scientific fields, covering 211 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation RankingsThis service, offered exclusively and with real-time updates by AD Scientific Index, aims to provide a balanced and dynamic perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers — particularly in the social sciences and humanities. This real-time methodology addresses the unfair advantage researchers with multi-author publications and CERN involvement hold over others, ensuring a more equitable evaluation. Furthermore, real-time citation rankings help uncover rule violations and unethical practices within the research community by continuously monitoring citation behavior.

For more detailed and up-to-date citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.

* Total Citation Counts Rankings
Ranking Based On Selection: 1
United States
Icek Ajzen
Attitudes
Persuasion
Attitude-Behavior Relation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
532,636
192,460
0.361
* Total Citation Counts Rankings
Ranking Based On Selection: 2
United States
Stephane Willocq
particle physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
445,434
162,720
0.365
* Total Citation Counts Rankings
Ranking Based On Selection: 3
United States
Carlo Dallapiccola
experimental high energy physics
experimental particle physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
351,281
118,238
0.337
* Total Citation Counts Rankings
Ranking Based On Selection: 4
United States
David Julian Mcclements
Emulsions
colloids
biopolymers
food
digestion
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
187,194
106,374
0.568
* Total Citation Counts Rankings
Ranking Based On Selection: 5
United States
Derek Lovley
electromicrobiology
'green' electronics
corrosion
bioenergy
biogeochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
140,685
36,986
0.263
* Total Citation Counts Rankings
Ranking Based On Selection: 6
United States
Andrew Barto
Reinforcement learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
124,652
56,711
0.455
* Total Citation Counts Rankings
Ranking Based On Selection: 7
United States
Russell TP
copolymers
nanoparticles
wrinkling
photovoltaics
thin film
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
119,991
30,130
0.251
* Total Citation Counts Rankings
Ranking Based On Selection: 8
United States
Alexandre Passos
Machine learning
natural language processing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
111,523
85,662
0.768
* Total Citation Counts Rankings
Ranking Based On Selection: 9
United States
Andrew Mccallum
Machine Learning
Natural Language Processing
Artificial Intelligence
Peer Review
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
108,718
35,020
0.322

Is Your University Ready for the Future?

Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
Gain insights from detailed performance analyses of scientists across 13 major disciplines, identify your strengths, improve weaknesses, and gain a competitive edge.. Check Your Free Sample Performance Analysis

* Total Citation Counts Rankings
Ranking Based On Selection: 10
United States
Anna Maria Siega Riz
nutrition
maternal and child health
pregnancy
epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
108,186
33,006
0.305
* Total Citation Counts Rankings
Ranking Based On Selection: 11
United States
Patty Freedson
physical activity
assessemnt of physical activity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
106,759
29,654
0.278
* Total Citation Counts Rankings
Ranking Based On Selection: 12
United States
Baoshan Xing
Environmental & soil chemistry
adsorption
nanoparticles
microplastics
food safety
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
102,568
55,486
0.541
* Total Citation Counts Rankings
Ranking Based On Selection: 13
United States
David Hosmer
Biostatistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
93,138
22,582
0.242
* Total Citation Counts Rankings
Ranking Based On Selection: 14
United States
Don Towsley
networking
network science
performance evaluation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
85,212
13,334
0.156
* Total Citation Counts Rankings
Ranking Based On Selection: 15
United States
Vincent Rotello
Nanotechnology
Nanoparticles
Supramolecular Chemistry
nanomedicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
83,415
30,441
0.365
* Total Citation Counts Rankings
Ranking Based On Selection: 16
United States
W Bruce Croft
Information Retrieval
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
67,273
13,544
0.201
* Total Citation Counts Rankings
Ranking Based On Selection: 17
United States
Eric A Decker
Food Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63,126
21,667
0.343
* Total Citation Counts Rankings
Ranking Based On Selection: 18
United States
Daniela Calzetti
Dust attenuation and emission
Star formation
SFR
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53,068
15,606
0.294
* Total Citation Counts Rankings
Ranking Based On Selection: 19
United States
Muzzo Muzaffer Uysal
Quality of life research
motivation
satisfaction
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51,764
21,123
0.408
* Total Citation Counts Rankings
Ranking Based On Selection: 20
United States
Raymond S Bradley
climatology
climate science
paleoclimatolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51,375
12,116
0.236
* Total Citation Counts Rankings
Ranking Based On Selection: 21
United States
Sonia Nieto
Multicultural Education
Teacher Education Education of Latinos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,418
18,728
0.379
* Total Citation Counts Rankings
Ranking Based On Selection: 22
United States
James Kurose
Computer networks
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,712
4,285
0.094
* Total Citation Counts Rankings
Ranking Based On Selection: 23
United States
John Mccarthy
Linguistics
Phonology
Morphology
Arabic
Semitic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,708
5,758
0.138
* Total Citation Counts Rankings
Ranking Based On Selection: 24
United States
Ken Kleinman
Biostatistics
Biomedical research
Health care
Health services research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,526
10,885
0.275
* Total Citation Counts Rankings
Ranking Based On Selection: 25
United States
David Lepak
Strategic HRM
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,246
14,792
0.377
* Total Citation Counts Rankings
Rankings
20
United States
12
1
Ranking Based On Selection: 1
Icek Ajzen
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
532,636
192,460
0.361
Attitudes
Persuasion
Attitude-Behavior Relation
* Total Citation Counts Rankings
Rankings
49
United States
27
2
Ranking Based On Selection: 2
Stephane Willocq
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
445,434
162,720
0.365
* Total Citation Counts Rankings
Rankings
129
United States
61
3
Ranking Based On Selection: 3
Carlo Dallapiccola
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
351,281
118,238
0.337
experimental high energy physics
experimental particle physics
* Total Citation Counts Rankings
Rankings
976
United States
400
4
Ranking Based On Selection: 4
David Julian Mcclements
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
187,194
106,374
0.568
Emulsions
colloids
biopolymers
food
digestion
* Total Citation Counts Rankings
Rankings
1,687
United States
748
5
Ranking Based On Selection: 5
Derek Lovley
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
140,685
36,986
0.263
electromicrobiology
'green' electronics
corrosion
bioenergy
biogeochemistry
* Total Citation Counts Rankings
Rankings
2,128
United States
977
6
Ranking Based On Selection: 6
Andrew Barto
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
124,652
56,711
0.455
* Total Citation Counts Rankings
Rankings
2,293
United States
1,068
7
Ranking Based On Selection: 7
Russell TP
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
119,991
30,130
0.251
* Total Citation Counts Rankings
Rankings
2,667
United States
1,251
8
Ranking Based On Selection: 8
Alexandre Passos
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
111,523
85,662
0.768
* Total Citation Counts Rankings
Rankings
2,805
United States
1,319
9
Ranking Based On Selection: 9
Andrew Mccallum
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
108,718
35,020
0.322
Machine Learning
Natural Language Processing
Artificial Intelligence
Peer Review
* Total Citation Counts Rankings
Rankings
2,835
United States
1,332
10
Ranking Based On Selection: 10
Anna Maria Siega Riz
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
108,186
33,006
0.305

Is Your University Ready for the Future?

Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
Gain insights from detailed performance analyses of scientists across 13 major disciplines, identify your strengths, improve weaknesses, and gain a competitive edge.. Check Your Free Sample Performance Analysis

* Total Citation Counts Rankings
Rankings
2,910
United States
1,360
11
Ranking Based On Selection: 11
Patty Freedson
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
106,759
29,654
0.278
physical activity
assessemnt of physical activity
* Total Citation Counts Rankings
Rankings
3,130
United States
1,481
12
Ranking Based On Selection: 12
Baoshan Xing
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
102,568
55,486
0.541
Environmental & soil chemistry
adsorption
nanoparticles
microplastics
food safety
* Total Citation Counts Rankings
Rankings
3,755
United States
1,767
13
Ranking Based On Selection: 13
David Hosmer
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
93,138
22,582
0.242
* Total Citation Counts Rankings
Rankings
4,370
United States
2,065
14
Ranking Based On Selection: 14
Don Towsley
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
85,212
13,334
0.156
* Total Citation Counts Rankings
Rankings
4,547
United States
2,149
15
Ranking Based On Selection: 15
Vincent Rotello
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
83,415
30,441
0.365
Nanotechnology
Nanoparticles
Supramolecular Chemistry
nanomedicine
* Total Citation Counts Rankings
Rankings
6,542
United States
3,079
16
Ranking Based On Selection: 16
W Bruce Croft
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
67,273
13,544
0.201
* Total Citation Counts Rankings
Rankings
7,212
United States
3,400
17
Ranking Based On Selection: 17
Eric A Decker
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63,126
21,667
0.343
* Total Citation Counts Rankings
Rankings
9,583
United States
4,521
18
Ranking Based On Selection: 18
Daniela Calzetti
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53,068
15,606
0.294
Dust attenuation and emission
Star formation
SFR
* Total Citation Counts Rankings
Rankings
9,955
United States
4,692
19
Ranking Based On Selection: 19
Muzzo Muzaffer Uysal
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51,764
21,123
0.408
Quality of life research
motivation
satisfaction
* Total Citation Counts Rankings
Rankings
10,078
United States
4,767
20
Ranking Based On Selection: 20
Raymond S Bradley
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51,375
12,116
0.236
* Total Citation Counts Rankings
Rankings
10,688
United States
5,047
21
Ranking Based On Selection: 21
Sonia Nieto
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,418
18,728
0.379
Multicultural Education
Teacher Education Education of Latinos
* Total Citation Counts Rankings
Rankings
12,082
United States
5,697
22
Ranking Based On Selection: 22
James Kurose
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,712
4,285
0.094
* Total Citation Counts Rankings
Rankings
14,039
United States
6,596
23
Ranking Based On Selection: 23
John Mccarthy
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,708
5,758
0.138
* Total Citation Counts Rankings
Rankings
15,329
United States
7,189
24
Ranking Based On Selection: 24
Ken Kleinman
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,526
10,885
0.275
Biostatistics
Biomedical research
Health care
Health services research
* Total Citation Counts Rankings
Rankings
15,517
United States
7,273
25
Ranking Based On Selection: 25
David Lepak
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,246
14,792
0.377