Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 134 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
Medical Genetics
Human Genetic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,753
17,986
0.585
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Aging
Diabetes and Cance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,907
3,333
0.152
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Renewable energy
Sustainable development
Desalination
Water treatmen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,077
4,015
0.250
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Biosensors
recognition receptors
lab on a chi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,391
6,088
0.534
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Molecular Medicine
Pharmacology
Clinical Biochemistry
Oncology
Public Healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,878
9,244
0.936
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Bone metastase
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,190
2,921
0.357
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Biostatistics
Epidemiology
Public Healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,094
2,301
0.284
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Structural Engineering
Sustainable Construction Materials
Nanomaterials and nano structur
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,987
4,598
0.576
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Clinical Genetics
Dysmorpholog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,014
4,763
0.679
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Cardiovascula
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,256
1,552
0.295
* Total Citation Counts Rankings
Ranking Based On Selection: 11
renewable energy
solar cells
multi scale solid state physics modeling
quantum physic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,952
3,332
0.673
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Clinical microbiology
Viral hepatitis
Tropical infections
Mother to child infection
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,483
647
0.144
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Electrochemical biosensors
aptamers
graphene
nanomaterials
immunosensor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,016
3,017
0.751
* Total Citation Counts Rankings
Ranking Based On Selection: 14
genetics
evolutio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,902
1,584
0.406
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Nanomaterials and polymer composite
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,745
1,962
0.715
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Entrepreneurship
Strategy
Family Business
Organizational behavio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,471
1,660
0.672
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Cardiology
Cardiovascular Imagin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,470
578
0.234
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Biosenso
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,423
1,580
0.652
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Statistics
neuropharmacolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,337
442
0.189
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Clinical Pharmacy
Cardiovascular Diseases
Digital Healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,297
2,288
0.996
* Total Citation Counts Rankings
Ranking Based On Selection: 21
organizational behavior
human resource management
applied psycholog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,274
1,351
0.594
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Viral Immunopathology
Macrophages ..
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,247
374
0.166
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Fintech
MIS
Cybersecurity
eGovernment
ICT4
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,206
1,460
0.662
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Operations Researc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,082
513
0.246
* Total Citation Counts Rankings
Ranking Based On Selection: 25
epigenetics
cancer
medical educatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,036
1,615
0.793
* Total Citation Counts Rankings
Rankings
23,310
64
1
Ranking Based On Selection: 1
Fowzan S Alkuraya
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,753
17,986
0.585
Medical Genetics
Human Genetic
* Total Citation Counts Rankings
Rankings
38,335
97
2
Ranking Based On Selection: 2
Ahmad Aljada
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,907
3,333
0.152
* Total Citation Counts Rankings
Rankings
58,410
170
3
Ranking Based On Selection: 3
Mattheus Theo FA Goosen
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,077
4,015
0.250
Renewable energy
Sustainable development
Desalination
Water treatmen
* Total Citation Counts Rankings
Rankings
90,265
267
4
Ranking Based On Selection: 4
Mohammed Zourob
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,391
6,088
0.534
Biosensors
recognition receptors
lab on a chi
* Total Citation Counts Rankings
Rankings
106,463
321
5
Ranking Based On Selection: 5
Ahmed Abu Zaid
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,878
9,244
0.936
Molecular Medicine
Pharmacology
Clinical Biochemistry
Oncology
Public Healt
* Total Citation Counts Rankings
Rankings
131,446
429
6
Ranking Based On Selection: 6
Khalid Mohammad
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,190
2,921
0.357
* Total Citation Counts Rankings
Rankings
133,170
434
7
Ranking Based On Selection: 7
M Hasan Rajab
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,094
2,301
0.284
Biostatistics
Epidemiology
Public Healt
* Total Citation Counts Rankings
Rankings
135,155
447
8
Ranking Based On Selection: 8
Ramazan Demirboga
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,987
4,598
0.576
Structural Engineering
Sustainable Construction Materials
Nanomaterials and nano structur
* Total Citation Counts Rankings
Rankings
155,216
520
9
Ranking Based On Selection: 9
Amal Alhashem
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,014
4,763
0.679
Clinical Genetics
Dysmorpholog
* Total Citation Counts Rankings
Rankings
207,364
768
10
Ranking Based On Selection: 10
Paul Ganguly
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,256
1,552
0.295
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
219,609
834
11
Ranking Based On Selection: 11
Souraya Goumri Said
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,952
3,332
0.673
renewable energy
solar cells
multi scale solid state physics modeling
quantum physic
* Total Citation Counts Rankings
Rankings
240,953
949
12
Ranking Based On Selection: 12
Giuseppe Botta
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,483
647
0.144
Clinical microbiology
Viral hepatitis
Tropical infections
Mother to child infection
* Total Citation Counts Rankings
Rankings
266,514
1,085
13
Ranking Based On Selection: 13
Shimaa Eissa
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,016
3,017
0.751
Electrochemical biosensors
aptamers
graphene
nanomaterials
immunosensor
* Total Citation Counts Rankings
Rankings
273,308
1,120
14
Ranking Based On Selection: 14
Volodymyr Dvornyk
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,902
1,584
0.406
* Total Citation Counts Rankings
Rankings
366,406
1,648
15
Ranking Based On Selection: 15
Edreese H Alsharaeh
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,745
1,962
0.715
Nanomaterials and polymer composite
* Total Citation Counts Rankings
Rankings
397,326
1,833
16
Ranking Based On Selection: 16
Dmitry Khanin
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,471
1,660
0.672
Entrepreneurship
Strategy
Family Business
Organizational behavio
* Total Citation Counts Rankings
Rankings
397,557
1,834
17
Ranking Based On Selection: 17
Domenico Galzerano
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,470
578
0.234
Cardiology
Cardiovascular Imagin
* Total Citation Counts Rankings
Rankings
403,339
1,875
18
Ranking Based On Selection: 18
Raja Chinnappan
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,423
1,580
0.652
* Total Citation Counts Rankings
Rankings
414,282
1,954
19
Ranking Based On Selection: 19
Peter Cahusac
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,337
442
0.189
Statistics
neuropharmacolog
* Total Citation Counts Rankings
Rankings
419,545
1,989
20
Ranking Based On Selection: 20
Reem Temsah
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,297
2,288
0.996
Clinical Pharmacy
Cardiovascular Diseases
Digital Healt
* Total Citation Counts Rankings
Rankings
422,741
2,013
21
Ranking Based On Selection: 21
James C Ryan
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,274
1,351
0.594
organizational behavior
human resource management
applied psycholog
* Total Citation Counts Rankings
Rankings
426,469
2,036
22
Ranking Based On Selection: 22
Garwin Kim Sing
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,247
374
0.166
* Total Citation Counts Rankings
Rankings
432,079
2,071
23
Ranking Based On Selection: 23
M Sirajul Islam
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,206
1,460
0.662
Fintech
MIS
Cybersecurity
eGovernment
ICT4
* Total Citation Counts Rankings
Rankings
450,578
2,198
24
Ranking Based On Selection: 24
Lotfi Tadj
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,082
513
0.246
* Total Citation Counts Rankings
Rankings
457,552
2,246
25
Ranking Based On Selection: 25
Ahmed Yaqinuddin
Alfaisal University
Riyadh, Saudi Arabia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,036
1,615
0.793
epigenetics
cancer
medical educatio