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
1,537
Country Rank
4
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Karen Sliwa](https://cdn.adscientificindex.com/pictures/05/100752.jpg)
cardiology
heart failure
Africa
peripartum
covid
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
141,075
88,413
0.627
* Total Citation Counts Rankings
World Rank
1,539
Country Rank
1
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/14130.jpg)
![Ecuador](/flags/ec.png)
![Patricio Lopez Jaramillo](https://cdn.adscientificindex.com/pictures/ac/840755.jpg)
enfermedades cardiometabolicas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
140,923
75,291
0.534
* Total Citation Counts Rankings
World Rank
1,545
Country Rank
688
Institution Rank : 64
![](https://cdn.adscientificindex.com/logos/3215.jpg)
![United States](/flags/us.png)
![Curtis Huttenhower](https://cdn.adscientificindex.com/pictures/ab/1391364.jpg)
computational metagenomics
human microbiome
biological data mining
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
140,462
109,037
0.776
* Total Citation Counts Rankings
World Rank
1,551
Country Rank
98
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/9994.png)
![Italy](/flags/it.png)
![Giancarlo Agnelli](/user/assets/images/profile/no-profile-photo.png)
pulmonary embolism
cardiovascular conditions
pharmacology of artheriosclerosis
anticoagulants
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
140,110
55,671
0.397
* Total Citation Counts Rankings
World Rank
1,556
Country Rank
695
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/11280.jpg)
![United States](/flags/us.png)
![Lee A Fleisher](https://cdn.adscientificindex.com/pictures/0f/1451547.jpg)
Anesthesiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
140,051
70,585
0.504
* Total Citation Counts Rankings
World Rank
1,557
Country Rank
26
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/10018.png)
![Switzerland](/flags/ch.png)
![Antonio Lanzavecchia](https://cdn.adscientificindex.com/pictures/16/1091023.jpg)
Immunology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,983
37,562
0.268
* Total Citation Counts Rankings
World Rank
1,558
Country Rank
696
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/5618.png)
![United States](/flags/us.png)
![Bruce Ovbiagele](/user/assets/images/profile/no-profile-photo.png)
neurology
stroke
global health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,598
73,556
0.527
* Total Citation Counts Rankings
World Rank
1,559
Country Rank
697
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/11529.jpg)
![United States](/flags/us.png)
![Thomas M Achenbach](/user/assets/images/profile/no-profile-photo.png)
Psychiatry
psychology
psychopathology
epidemiology
cross-cultural
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,592
32,416
0.232
* Total Citation Counts Rankings
World Rank
1,560
Country Rank
99
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/24378.png)
![Italy](/flags/it.png)
![Giuseppe Viale](https://cdn.adscientificindex.com/pictures/b6/4686745.jpg)
oncologia
anatomia patologica
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,553
62,317
0.447
* Total Citation Counts Rankings
World Rank
1,562
Country Rank
43
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/27626.png)
![Australia](/flags/au.png)
![Felix A Ogbo](/user/assets/images/profile/no-profile-photo.png)
Epidemiology
Maternal & Child Health
Global Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,479
126,565
0.907
* Total Citation Counts Rankings
World Rank
1,566
Country Rank
698
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/3595.jpg)
![United States](/flags/us.png)
![Ruth Loos](https://cdn.adscientificindex.com/pictures/d7/4305667.jpg)
Epidemiology
genetic epidemiology
obesity
public health
metabolic disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,426
70,617
0.506
* Total Citation Counts Rankings
World Rank
1,567
Country Rank
699
Institution Rank : 18
![](https://cdn.adscientificindex.com/logos/10896.jpg)
![United States](/flags/us.png)
![Theodore Ganiats](/user/assets/images/profile/no-profile-photo.png)
Health services research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,421
49,267
0.353
* Total Citation Counts Rankings
World Rank
1,568
Country Rank
45
Institution Rank : 8
![](https://cdn.adscientificindex.com/logos/10391.png)
![Spain](/flags/es.png)
![Tabares-Seisdedos, Rafael](https://cdn.adscientificindex.com/pictures/41/4363792.jpg)
Psychiatry
Neurosciences
Multimorbidity
Comorbidity
Cancer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,415
121,744
0.873
* Total Citation Counts Rankings
World Rank
1,576
Country Rank
2
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/3574.png)
![Norway](/flags/no.png)
![Adnan Kisa](https://cdn.adscientificindex.com/pictures/a8/1766320.jpg)
health policy and economics
healthcare management
global burden of disease
hospital administration
health and economic devel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,084
123,273
0.886
* Total Citation Counts Rankings
World Rank
1,578
Country Rank
705
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/11388.jpg)
![United States](/flags/us.png)
![Russell R Pate](/user/assets/images/profile/no-profile-photo.png)
physical activity
exercise
public health
children
youth
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138,860
56,183
0.405
* Total Citation Counts Rankings
World Rank
1,579
Country Rank
128
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/1218.jpg)
![United Kingdom](/flags/gb.png)
![Michael O'Donovan](/user/assets/images/profile/no-profile-photo.png)
Medicine
genetics
neuroscience
biochemistry
psychiatry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138,858
63,104
0.454
* Total Citation Counts Rankings
World Rank
1,580
Country Rank
44
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/11225.png)
![Australia](/flags/au.png)
![Perminder Sachdev](https://cdn.adscientificindex.com/pictures/31/128941.jpg)
Psychiatry
Dementia
Brain Ageing
Neuroscience
Movement Disorders
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138,852
99,325
0.715
* Total Citation Counts Rankings
World Rank
1,581
Country Rank
31
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/24366.png)
![Netherlands](/flags/nl.png)
![P. Eline Slagboom](https://cdn.adscientificindex.com/pictures/e0/4684870.jpg)
ORCID 0000-0002-2875-4723
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138,828
71,619
0.516
* Total Citation Counts Rankings
World Rank
1,582
Country Rank
45
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/15674.png)
![Australia](/flags/au.png)
![Mark J. Smyth](https://cdn.adscientificindex.com/pictures/8a/4374978.jpg)
Immunology Oncology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138,760
60,196
0.434
* Total Citation Counts Rankings
World Rank
1,584
Country Rank
706
Institution Rank : 10
![](https://cdn.adscientificindex.com/logos/11200.jpg)
![United States](/flags/us.png)
![Daniel F Hayes](https://cdn.adscientificindex.com/pictures/58/1299504.jpg)
cancer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138,677
50,902
0.367
* Total Citation Counts Rankings
World Rank
1,588
Country Rank
1
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/538.jpg)
![Bahrain](/flags/bh.png)
![Randah R Hamadeh](https://cdn.adscientificindex.com/pictures/7f/4301284.jpg)
Noncommunicable diseases
cancer
smoking
global health
mental health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138,616
115,789
0.835
* Total Citation Counts Rankings
World Rank
1,595
Country Rank
42
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/8788.png)
![Germany](/flags/de.png)
![Thomas Meitinger](/user/assets/images/profile/no-profile-photo.png)
human genetics
clinical genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138,171
57,192
0.414
* Total Citation Counts Rankings
World Rank
1,600
Country Rank
35
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/7358.png)
![Netherlands](/flags/nl.png)
![Arie Pieter Kappetein](https://cdn.adscientificindex.com/pictures/31/4701032.jpg)
cardio-thoracic surgery
valve surgery
coronary
CABG
TAVI
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137,971
62,374
0.452
* Total Citation Counts Rankings
World Rank
1,610
Country Rank
721
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/11200.jpg)
![United States](/flags/us.png)
![Daniel J Klionsky](https://cdn.adscientificindex.com/pictures/d9/1299536.jpg)
Autophagy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137,409
57,194
0.416
* Total Citation Counts Rankings
World Rank
1,611
Country Rank
3
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/3252.png)
![Pakistan](/flags/pk.png)
![Ejaz Khan](https://cdn.adscientificindex.com/pictures/08/391865.jpg)
Epidemiology
Environmental Health
systematic analyses
global burden of disease
Non Communicable Diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137,404
119,774
0.872
Karen Sliwa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
141,075
88,413
0.627
cardiology
heart failure
Africa
peripartum
covid
Patricio Lopez Jaramillo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
140,923
75,291
0.534
enfermedades cardiometabolicas
Curtis Huttenhower
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
140,462
109,037
0.776
computational metagenomics
human microbiome
biological data mining
Giancarlo Agnelli
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
140,110
55,671
0.397
pulmonary embolism
cardiovascular conditions
pharmacology of artheriosclerosis
anticoagulants
Lee A Fleisher
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
140,051
70,585
0.504
Antonio Lanzavecchia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,983
37,562
0.268
Bruce Ovbiagele
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,598
73,556
0.527
neurology
stroke
global health
Thomas M Achenbach
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,592
32,416
0.232
Psychiatry
psychology
psychopathology
epidemiology
cross-cultural
Giuseppe Viale
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,553
62,317
0.447
oncologia
anatomia patologica
Felix A Ogbo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,479
126,565
0.907
Epidemiology
Maternal & Child Health
Global Health
Ruth Loos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,426
70,617
0.506
Epidemiology
genetic epidemiology
obesity
public health
metabolic disease
Theodore Ganiats
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,421
49,267
0.353
Health services research
Tabares-Seisdedos, Rafael
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,415
121,744
0.873
Psychiatry
Neurosciences
Multimorbidity
Comorbidity
Cancer
Adnan Kisa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
139,084
123,273
0.886
health policy and economics
healthcare management
global burden of disease
hospital administration
health and economic devel
Russell R Pate
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138,860
56,183
0.405
physical activity
exercise
public health
children
youth
Michael O'Donovan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138,858
63,104
0.454
Medicine
genetics
neuroscience
biochemistry
psychiatry
Perminder Sachdev
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138,852
99,325
0.715
Psychiatry
Dementia
Brain Ageing
Neuroscience
Movement Disorders
P. Eline Slagboom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138,828
71,619
0.516
ORCID 0000-0002-2875-4723
Mark J. Smyth
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138,760
60,196
0.434
Daniel F Hayes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138,677
50,902
0.367
Randah R Hamadeh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138,616
115,789
0.835
Noncommunicable diseases
cancer
smoking
global health
mental health
Thomas Meitinger
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
138,171
57,192
0.414
human genetics
clinical genetics
Arie Pieter Kappetein
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137,971
62,374
0.452
cardio-thoracic surgery
valve surgery
coronary
CABG
TAVI
Daniel J Klionsky
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137,409
57,194
0.416
Ejaz Khan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
137,404
119,774
0.872
Epidemiology
Environmental Health
systematic analyses
global burden of disease
Non Communicable Diseases