Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 688 Scientists Citation Rankings - 2025
Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.
* Total Citation Counts Rankings
Ranking Based On Selection: 1
Noncommunicable diseases
cancer
smoking
global health
mental healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
158,311
122,879
0.776
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
wetland ecology
ecological engineering
ecosystem ecolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,620
11,893
0.261
* Total Citation Counts Rankings
Ranking Based On Selection: 3
tourism
marketin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,368
7,324
0.422
* Total Citation Counts Rankings
Ranking Based On Selection: 4
International Business
Strategic Management
Emerging Markets
FD
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,335
7,733
0.473
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Nanomedicine
Drug targeting
Tumor vascular biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,752
4,683
0.398
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Stellar Astrophysics
Astronomical Instrumentation
Exoplanet
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,640
4,681
0.402
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Evolution and Human Behavio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,108
6,194
0.558
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Obstetrics and Gynaecolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,895
4,249
0.390
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Formulation and Developmen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,795
8,005
0.817
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Marketing Analytics
Neuromarketing
Consumer Neuroscience
Business Efficiency
Bibliometric Network
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,337
4,810
0.515
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Immunology
Neurology
Molecular Medicin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,818
2,524
0.286
* Total Citation Counts Rankings
Ranking Based On Selection: 12
pharmacological screening
pharmacy
pharmaceutical development and formulation
pharmaceutical care
pharmaceutical educatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,750
2,542
0.291
* Total Citation Counts Rankings
Ranking Based On Selection: 13
hydrogeology
geology
water resources management
artificial recharg
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,194
4,352
0.531
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Computational and Theoretical Chemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,164
4,402
0.539
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Ecosystems Ecology
Environmental Microbiology
Nitrogen Cycl
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,855
2,758
0.351
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Health professions educatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,259
3,052
0.420
* Total Citation Counts Rankings
Ranking Based On Selection: 17
virolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,358
3,974
0.625
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Statistics
Distribution theor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,760
4,358
0.757
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Metaheuristics
optimization
operations research
machine learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,726
1,594
0.278
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,547
769
0.139
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Immunology and Infectious disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,457
2,728
0.500
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Green Chemistry
Organic Synthesis
Heterocyclic Synthesis
Homogenous Catalysi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,296
1,421
0.268
* Total Citation Counts Rankings
Ranking Based On Selection: 23
identity
creativity
paradox
discours
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,071
2,391
0.472
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Cytokines
Osteoporosis
Immunology
Sarcopenia
Pregnancy Complication
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,960
1,497
0.302
* Total Citation Counts Rankings
Ranking Based On Selection: 25
physics
astronom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,942
612
0.124
* Total Citation Counts Rankings
Rankings
1,383
1
1
Ranking Based On Selection: 1
Randah R Hamadeh
Arabian Gulf University
Manama, Bahrain
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
158,311
122,879
0.776
Noncommunicable diseases
cancer
smoking
global health
mental healt
* Total Citation Counts Rankings
Rankings
12,463
5,858
1
Ranking Based On Selection: 2
William J Mitsch
Florida Gulf Coast University
Fort Myers, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,620
11,893
0.261
wetland ecology
ecological engineering
ecosystem ecolog
* Total Citation Counts Rankings
Rankings
52,606
5
1
Ranking Based On Selection: 3
Yvette Reisinger
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,368
7,324
0.422
* Total Citation Counts Rankings
Rankings
57,070
7
2
Ranking Based On Selection: 4
Ekrem Tatoglu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,335
7,733
0.473
International Business
Strategic Management
Emerging Markets
FD
* Total Citation Counts Rankings
Rankings
86,737
7
2
Ranking Based On Selection: 5
Khaled Greish
Arabian Gulf University
Manama, Bahrain
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,752
4,683
0.398
Nanomedicine
Drug targeting
Tumor vascular biolog
* Total Citation Counts Rankings
Rankings
87,777
35,474
2
Ranking Based On Selection: 6
Derek Buzasi
Florida Gulf Coast University
Fort Myers, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,640
4,681
0.402
Stellar Astrophysics
Astronomical Instrumentation
Exoplanet
* Total Citation Counts Rankings
Rankings
92,772
37,184
3
Ranking Based On Selection: 7
R Nathan Pipitone
Florida Gulf Coast University
Fort Myers, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,108
6,194
0.558
* Total Citation Counts Rankings
Rankings
94,899
8
3
Ranking Based On Selection: 8
Diaa Rizk
Arabian Gulf University
Manama, Bahrain
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,895
4,249
0.390
Obstetrics and Gynaecolog
* Total Citation Counts Rankings
Rankings
107,300
122
1
Ranking Based On Selection: 9
Shery Jacob
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,795
8,005
0.817
Formulation and Developmen
* Total Citation Counts Rankings
Rankings
113,345
15
3
Ranking Based On Selection: 10
Mohamed M Mostafa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,337
4,810
0.515
Marketing Analytics
Neuromarketing
Consumer Neuroscience
Business Efficiency
Bibliometric Network
Smart Institutional Plan
Powerful Insights + Smart Membership = Institutional Success
Unlock 360° Real-Time Institutional Analysis to identify your institution’s strengths and areas for improvement.
* Total Citation Counts Rankings
Rankings
120,869
9
4
Ranking Based On Selection: 11
Moiz Bakhiet
Arabian Gulf University
Manama, Bahrain
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,818
2,524
0.286
Immunology
Neurology
Molecular Medicin
* Total Citation Counts Rankings
Rankings
121,939
145
2
Ranking Based On Selection: 12
Annie Shirwaikar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,750
2,542
0.291
pharmacological screening
pharmacy
pharmaceutical development and formulation
pharmaceutical care
pharmaceutical educatio
* Total Citation Counts Rankings
Rankings
131,122
50,124
4
Ranking Based On Selection: 13
Thomas M Missimer
Florida Gulf Coast University
Fort Myers, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,194
4,352
0.531
hydrogeology
geology
water resources management
artificial recharg
* Total Citation Counts Rankings
Rankings
131,669
50,308
5
Ranking Based On Selection: 14
Daniel Lambrecht
Florida Gulf Coast University
Fort Myers, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,164
4,402
0.539
Computational and Theoretical Chemistr
* Total Citation Counts Rankings
Rankings
137,383
52,200
6
Ranking Based On Selection: 15
Hidetoshi Urakawa
Florida Gulf Coast University
Fort Myers, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,855
2,758
0.351
Ecosystems Ecology
Environmental Microbiology
Nitrogen Cycl
* Total Citation Counts Rankings
Rankings
149,447
192
3
Ranking Based On Selection: 16
David Taylor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,259
3,052
0.420
Health professions educatio
* Total Citation Counts Rankings
Rankings
171,472
62,965
7
Ranking Based On Selection: 17
Sharon Isern
Florida Gulf Coast University
Fort Myers, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,358
3,974
0.625
* Total Citation Counts Rankings
Rankings
189,308
1,433
1
Ranking Based On Selection: 18
Morad Alizadeh
Persian Gulf University Bushehr
Bushehr, Iran
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,760
4,358
0.757
Statistics
Distribution theor
* Total Citation Counts Rankings
Rankings
190,419
25
4
Ranking Based On Selection: 19
Mahamed Omran
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,726
1,594
0.278
Metaheuristics
optimization
operations research
machine learnin
* Total Citation Counts Rankings
Rankings
196,469
70,644
8
Ranking Based On Selection: 20
Rajesh Srivastava
Florida Gulf Coast University
Fort Myers, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,547
769
0.139
* Total Citation Counts Rankings
Rankings
199,651
14
5
Ranking Based On Selection: 21
Mohamed Ridha Barbouche
Arabian Gulf University
Manama, Bahrain
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,457
2,728
0.500
Immunology and Infectious disease
* Total Citation Counts Rankings
Rankings
205,496
1,623
2
Ranking Based On Selection: 22
Alireza Hasaninejad
Persian Gulf University Bushehr
Bushehr, Iran
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,296
1,421
0.268
Green Chemistry
Organic Synthesis
Heterocyclic Synthesis
Homogenous Catalysi
* Total Citation Counts Rankings
Rankings
214,340
75,911
9
Ranking Based On Selection: 23
Mathew Sheep
Florida Gulf Coast University
Fort Myers, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,071
2,391
0.472
* Total Citation Counts Rankings
Rankings
218,944
31
5
Ranking Based On Selection: 24
Fawaz Azizieh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,960
1,497
0.302
Cytokines
Osteoporosis
Immunology
Sarcopenia
Pregnancy Complication
* Total Citation Counts Rankings
Rankings
219,709
77,465
10
Ranking Based On Selection: 25
Michael Fauerbach
Florida Gulf Coast University
Fort Myers, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,942
612
0.124