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
513,993
Country Rank
160,283
Institution Rank : 202
![](https://cdn.adscientificindex.com/logos/11755.jpg)
![United States](/flags/us.png)
![Jessica N Mittler](/pictures/b9/1357420.jpg)
Patient Experience
Quality Improvement
Organizational Change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,552
714
0.460
* Total Citation Counts Rankings
World Rank
532,332
Country Rank
7,212
Institution Rank : 223
![](https://cdn.adscientificindex.com/logos/8051.jpg)
![Iran](/flags/ir.png)
![Nahid Hatam](https://cdn.adscientificindex.com/pictures/26/519068.jpg)
Health Administration
Health Economic
Cost- Efficiency
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,470
978
0.665
* Total Citation Counts Rankings
World Rank
533,641
Country Rank
10,746
Institution Rank : 323
![](https://cdn.adscientificindex.com/logos/5991.jpg)
![Japan](/flags/jp.png)
![Yu Mon Saw](https://cdn.adscientificindex.com/pictures/78/429337.jpg)
Global Health
Public Health
Epidemiology
Healthcare Administration
Substance use and abuse
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,464
1,301
0.889
* Total Citation Counts Rankings
World Rank
534,410
Country Rank
165,722
Institution Rank : 1,318
![](https://cdn.adscientificindex.com/logos/4631.png)
![United States](/flags/us.png)
![David C Stockwell](https://cdn.adscientificindex.com/pictures/a0/1391533.jpg)
Safety
Quality
Physician Administration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,461
824
0.564
* Total Citation Counts Rankings
World Rank
536,376
Country Rank
9,438
Institution Rank : 618
![](https://cdn.adscientificindex.com/logos/12112.jpg)
![South Korea](/flags/kr.png)
![You Chang Hoon](/pictures/76/4962343.jpg)
Hospital administration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,453
480
0.330
* Total Citation Counts Rankings
World Rank
535,178
Country Rank
165,918
Institution Rank : 444
![](https://cdn.adscientificindex.com/logos/3770.png)
![United States](/flags/us.png)
![Mary L Fisher](/user/assets/images/profile/no-profile-photo.png)
Nursing Administration
Academic Administration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,458
728
0.499
* Total Citation Counts Rankings
World Rank
540,931
Country Rank
15,024
Institution Rank : 84
![](https://cdn.adscientificindex.com/logos/332.jpg)
![India](/flags/in.png)
![Najam Khalique](/pictures/fa/347292.jpg)
Epidemiology
Maternal and Child health
Hospital Administration
Public Health.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,433
816
0.569
* Total Citation Counts Rankings
World Rank
541,550
Country Rank
2,693
Institution Rank : 41
![](https://cdn.adscientificindex.com/logos/17439.jpg)
![Saudi Arabia](/flags/sa.png)
![Ahmed Al-Jedai](https://cdn.adscientificindex.com/pictures/49/4617710.jpg)
Pharmacy practice
Transplantation
clinical pharmacy
Healthcare administration
Value-Based Care
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,430
1,106
0.773
* Total Citation Counts Rankings
World Rank
538,207
Country Rank
1,202
Institution Rank : 19
![](https://cdn.adscientificindex.com/logos/119.png)
![Nigeria](/flags/ng.png)
![Akinola Akinmade](/pictures/5b/3509129.jpg)
Hospital Administration
Orthopaedic surgery
Arthroplasty
Trauma
Sports medicine.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,444
1,441
0.998
* Total Citation Counts Rankings
World Rank
544,563
Country Rank
168,398
Institution Rank : 375
![](https://cdn.adscientificindex.com/logos/18270.png)
![United States](/flags/us.png)
![Lutchmie Narine](/user/assets/images/profile/no-profile-photo.png)
Public Health
Health Administration and Policy
Evaluation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,418
466
0.329
* Total Citation Counts Rankings
World Rank
551,155
Country Rank
9,653
Institution Rank : 36
![](https://cdn.adscientificindex.com/logos/15943.png)
![South Korea](/flags/kr.png)
![Woo-Sung Chang](/user/assets/images/profile/no-profile-photo.png)
Allergy
Immunology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,391
457
0.329
* Total Citation Counts Rankings
World Rank
543,872
Country Rank
168,239
Institution Rank : 1,710
![](https://cdn.adscientificindex.com/logos/11008.jpg)
![United States](/flags/us.png)
![Abhishek Lunagariya](/pictures/4d/1613015.jpg)
Vascular Neurology
Healthcare Administration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,420
1,326
0.934
* Total Citation Counts Rankings
World Rank
558,758
Country Rank
2,787
Institution Rank : 507
![](https://cdn.adscientificindex.com/logos/4924.jpg)
![Saudi Arabia](/flags/sa.png)
![Zohair Al Aseri](https://cdn.adscientificindex.com/pictures/18/4696436.jpg)
Emergency medicine
critical care
quality
Health administration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,360
1,030
0.757
* Total Citation Counts Rankings
World Rank
550,687
Country Rank
169,972
Institution Rank : 330
![](https://cdn.adscientificindex.com/logos/17728.png)
![United States](/flags/us.png)
![Josephine Jacobs](/user/assets/images/profile/no-profile-photo.png)
health economics
economics of aging
women's health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,392
1,246
0.895
* Total Citation Counts Rankings
World Rank
565,614
Country Rank
1,364
Institution Rank : 13
![](https://cdn.adscientificindex.com/logos/16727.jpg)
![Nigeria](/flags/ng.png)
![Gabriel Uche Pascal Iloh](/pictures/fa/4479668.jpg)
Family Medicine
Public Health
Primary Care
Epidemiology
Hospital Administration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,334
698
0.523
* Total Citation Counts Rankings
World Rank
570,957
Country Rank
175,330
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/7352.png)
![United States](/flags/us.png)
![Mary G Johlfs](/pictures/b3/1460693.jpg)
Pharmaceutical biotechnology
Nanofluidic CE genomics/proteomics
Antibody engineering
Cancer
RO Administration&Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,314
404
0.307
* Total Citation Counts Rankings
World Rank
575,698
Country Rank
369
Institution Rank : 270
![](https://cdn.adscientificindex.com/logos/11073.png)
![Iceland](/flags/is.png)
![Helga Bragadóttir](/pictures/38/1842724.jpg)
Nursing Administration
Systems and Policy
Innovation
Leadership
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,296
873
0.674
* Total Citation Counts Rankings
World Rank
575,791
Country Rank
833
Institution Rank : 78
![](https://cdn.adscientificindex.com/logos/754.png)
![Bangladesh](/flags/bd.png)
![Md Ali Akbar](/pictures/bc/463571.jpg)
Animal nutrition and Feeding
Fodder production and processing
milk production
poultry production
Academic administration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,296
598
0.461
* Total Citation Counts Rankings
World Rank
577,212
Country Rank
16,549
Institution Rank : 19
![](https://cdn.adscientificindex.com/logos/343.png)
![India](/flags/in.png)
![Vasantha Kalyani](/pictures/62/404756.jpg)
critical care nursing
Diabetes care
palliative care
hospital administration
nursing education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,290
1,190
0.922
* Total Citation Counts Rankings
World Rank
599,299
Country Rank
3,949
Institution Rank : 87
![](https://cdn.adscientificindex.com/logos/8677.png)
![Taiwan](/flags/tw.png)
![Chung Hsuen Wu](/pictures/97/526768.jpg)
Outcomes research
pharmacoepidemiology
pharmacoeconomics
pharmacy administration
survey
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,212
568
0.469
* Total Citation Counts Rankings
World Rank
603,997
Country Rank
1,411
Institution Rank : 13
![](https://cdn.adscientificindex.com/logos/7648.gif)
![Thailand](/flags/th.png)
![Pornchai Kaewsapsak](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,195
1,154
0.966
* Total Citation Counts Rankings
World Rank
604,140
Country Rank
183,898
Institution Rank : 1,969
![](https://cdn.adscientificindex.com/logos/11280.jpg)
![United States](/flags/us.png)
![Adam C Powell](/pictures/52/1777919.jpg)
healthcare management
health IT
mHealth
prior authorization
quality
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,195
748
0.626
* Total Citation Counts Rankings
World Rank
602,617
Country Rank
183,525
Institution Rank : 19
![](https://cdn.adscientificindex.com/logos/8.png)
![United States](/flags/us.png)
![Patrick Albert Palmieri](/pictures/30/792442.jpg)
Healthcare Administration
Leadership
Management
Organizational Behavior
Organizational Development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,200
860
0.717
* Total Citation Counts Rankings
World Rank
611,058
Country Rank
185,675
Institution Rank : 173
![](https://cdn.adscientificindex.com/logos/18279.jpg)
![United States](/flags/us.png)
![Marie Barnard](/pictures/76/4662954.jpg)
Pharmacy Administration
Public Health
Program Evaluation
Violence and Health
Behavioral Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,172
749
0.639
* Total Citation Counts Rankings
World Rank
622,540
Country Rank
18,432
Institution Rank : 74
![](https://cdn.adscientificindex.com/logos/17357.jpg)
![India](/flags/in.png)
![Karthikeyan Ramalingam|Karthikeyan Ramalingam, Ramalingam Karthikeyan](/pictures/d7/4608055.jpg)
Oral and Maxillofacial Pathology
Oral microbiology
Forensic odontology
Hospital Administration
Oral Oncology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,135
728
0.641
* Total Citation Counts Rankings
World Ranking
513,993
Country Ranking
160,283
Institution Ranking
202
Jessica N Mittler
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,552
714
0.460
![](https://cdn.adscientificindex.com/logos/11755.jpg)
Patient Experience
Quality Improvement
Organizational Change
* Total Citation Counts Rankings
World Ranking
532,332
Country Ranking
7,212
Institution Ranking
223
Nahid Hatam
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,470
978
0.665
![](https://cdn.adscientificindex.com/logos/8051.jpg)
Health Administration
Health Economic
Cost- Efficiency
* Total Citation Counts Rankings
World Ranking
533,641
Country Ranking
10,746
Institution Ranking
323
Yu Mon Saw
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,464
1,301
0.889
![](https://cdn.adscientificindex.com/logos/5991.jpg)
Global Health
Public Health
Epidemiology
Healthcare Administration
Substance use and abuse
* Total Citation Counts Rankings
World Ranking
534,410
Country Ranking
165,722
Institution Ranking
1,318
David C Stockwell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,461
824
0.564
![](https://cdn.adscientificindex.com/logos/4631.png)
Safety
Quality
Physician Administration
* Total Citation Counts Rankings
World Ranking
536,376
Country Ranking
9,438
Institution Ranking
618
You Chang Hoon
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,453
480
0.330
![](https://cdn.adscientificindex.com/logos/12112.jpg)
Hospital administration
* Total Citation Counts Rankings
World Ranking
535,178
Country Ranking
165,918
Institution Ranking
444
Mary L Fisher
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,458
728
0.499
![](https://cdn.adscientificindex.com/logos/3770.png)
Nursing Administration
Academic Administration
* Total Citation Counts Rankings
World Ranking
540,931
Country Ranking
15,024
Institution Ranking
84
Najam Khalique
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,433
816
0.569
![](https://cdn.adscientificindex.com/logos/332.jpg)
Epidemiology
Maternal and Child health
Hospital Administration
Public Health.
* Total Citation Counts Rankings
World Ranking
541,550
Country Ranking
2,693
Institution Ranking
41
Ahmed Al-Jedai
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,430
1,106
0.773
![](https://cdn.adscientificindex.com/logos/17439.jpg)
Pharmacy practice
Transplantation
clinical pharmacy
Healthcare administration
Value-Based Care
* Total Citation Counts Rankings
World Ranking
538,207
Country Ranking
1,202
Institution Ranking
19
Akinola Akinmade
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,444
1,441
0.998
![](https://cdn.adscientificindex.com/logos/119.png)
Hospital Administration
Orthopaedic surgery
Arthroplasty
Trauma
Sports medicine.
* Total Citation Counts Rankings
World Ranking
544,563
Country Ranking
168,398
Institution Ranking
375
Lutchmie Narine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,418
466
0.329
![](https://cdn.adscientificindex.com/logos/18270.png)
Public Health
Health Administration and Policy
Evaluation
![Adscientificindex](/assets/images/banner_logo.png)
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![Adscientificindex](/assets/images/banner_click.png)
* Total Citation Counts Rankings
World Ranking
551,155
Country Ranking
9,653
Institution Ranking
36
Woo-Sung Chang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,391
457
0.329
* Total Citation Counts Rankings
World Ranking
543,872
Country Ranking
168,239
Institution Ranking
1,710
Abhishek Lunagariya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,420
1,326
0.934
![](https://cdn.adscientificindex.com/logos/11008.jpg)
Vascular Neurology
Healthcare Administration
* Total Citation Counts Rankings
World Ranking
558,758
Country Ranking
2,787
Institution Ranking
507
Zohair Al Aseri
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,360
1,030
0.757
![](https://cdn.adscientificindex.com/logos/4924.jpg)
Emergency medicine
critical care
quality
Health administration
* Total Citation Counts Rankings
World Ranking
550,687
Country Ranking
169,972
Institution Ranking
330
Josephine Jacobs
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,392
1,246
0.895
![](https://cdn.adscientificindex.com/logos/17728.png)
health economics
economics of aging
women's health
* Total Citation Counts Rankings
World Ranking
565,614
Country Ranking
1,364
Institution Ranking
13
Gabriel Uche Pascal Iloh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,334
698
0.523
![](https://cdn.adscientificindex.com/logos/16727.jpg)
Family Medicine
Public Health
Primary Care
Epidemiology
Hospital Administration
* Total Citation Counts Rankings
World Ranking
570,957
Country Ranking
175,330
Institution Ranking
7
Mary G Johlfs
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,314
404
0.307
![](https://cdn.adscientificindex.com/logos/7352.png)
Pharmaceutical biotechnology
Nanofluidic CE genomics/proteomics
Antibody engineering
Cancer
RO Administration&Management
* Total Citation Counts Rankings
World Ranking
575,698
Country Ranking
369
Institution Ranking
270
Helga Bragadóttir
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,296
873
0.674
![](https://cdn.adscientificindex.com/logos/11073.png)
Nursing Administration
Systems and Policy
Innovation
Leadership
* Total Citation Counts Rankings
World Ranking
575,791
Country Ranking
833
Institution Ranking
78
Md Ali Akbar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,296
598
0.461
![](https://cdn.adscientificindex.com/logos/754.png)
Animal nutrition and Feeding
Fodder production and processing
milk production
poultry production
Academic administration
* Total Citation Counts Rankings
World Ranking
577,212
Country Ranking
16,549
Institution Ranking
19
Vasantha Kalyani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,290
1,190
0.922
![](https://cdn.adscientificindex.com/logos/343.png)
critical care nursing
Diabetes care
palliative care
hospital administration
nursing education
* Total Citation Counts Rankings
World Ranking
599,299
Country Ranking
3,949
Institution Ranking
87
Chung Hsuen Wu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,212
568
0.469
![](https://cdn.adscientificindex.com/logos/8677.png)
Outcomes research
pharmacoepidemiology
pharmacoeconomics
pharmacy administration
survey
* Total Citation Counts Rankings
World Ranking
603,997
Country Ranking
1,411
Institution Ranking
13
Pornchai Kaewsapsak
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,195
1,154
0.966
* Total Citation Counts Rankings
World Ranking
604,140
Country Ranking
183,898
Institution Ranking
1,969
Adam C Powell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,195
748
0.626
![](https://cdn.adscientificindex.com/logos/11280.jpg)
healthcare management
health IT
mHealth
prior authorization
quality
* Total Citation Counts Rankings
World Ranking
602,617
Country Ranking
183,525
Institution Ranking
19
Patrick Albert Palmieri
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,200
860
0.717
![](https://cdn.adscientificindex.com/logos/8.png)
Healthcare Administration
Leadership
Management
Organizational Behavior
Organizational Development
* Total Citation Counts Rankings
World Ranking
611,058
Country Ranking
185,675
Institution Ranking
173
Marie Barnard
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,172
749
0.639
![](https://cdn.adscientificindex.com/logos/18279.jpg)
Pharmacy Administration
Public Health
Program Evaluation
Violence and Health
Behavioral Medicine
* Total Citation Counts Rankings
World Ranking
622,540
Country Ranking
18,432
Institution Ranking
74
Karthikeyan Ramalingam|Karthikeyan Ramalingam, Ramalingam Karthikeyan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,135
728
0.641
![](https://cdn.adscientificindex.com/logos/17357.jpg)
Oral and Maxillofacial Pathology
Oral microbiology
Forensic odontology
Hospital Administration
Oral Oncology