Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 344 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
Histopathology
Immunohistochemistry
Oncology
Drugs and natural products Toxicity studie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,775
4,370
0.371
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Stem cells
Leukaemia
Medical educatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,937
2,898
0.587
* Total Citation Counts Rankings
Ranking Based On Selection: 3
obstetrics and Gynaecolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,046
1,932
0.478
* Total Citation Counts Rankings
Ranking Based On Selection: 4
finance
bankin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,285
920
0.280
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Teaching and Learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,204
1,724
0.538
* Total Citation Counts Rankings
Ranking Based On Selection: 6
strategic managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,011
1,391
0.462
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Pediatric Infectious Disease in the tropic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,757
743
0.269
* Total Citation Counts Rankings
Ranking Based On Selection: 8
wastewater treatment
membrane technology
forward osmosis
waste-to-energ
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,402
1,285
0.535
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Labour Market Issues
Educational Management
Teaching & Learning
Sustainable Development
AI & Ed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,030
1,677
0.826
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Anatom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,847
773
0.419
* Total Citation Counts Rankings
Ranking Based On Selection: 11
education (TESL/TEFL
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,610
874
0.543
* Total Citation Counts Rankings
Ranking Based On Selection: 12
infectious diseases
host pathogen interaction
cellular immunotherapy
omics technologie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,487
1,340
0.901
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Photonic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,407
984
0.699
* Total Citation Counts Rankings
Ranking Based On Selection: 14
ERP
Business Process Managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,344
1,211
0.901
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Knowledge Management
Information Systems
Risk Managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,328
601
0.453
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Regenerative Endodontics
Aesthetic Dentistry
Restorative Dentistry
Hospital Managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,278
486
0.380
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Applied Linguistics
Discourse studies
language use & acquisition
ESP
EL
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,133
713
0.629
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Personal Finance
Financial Planning
Investment
Fixed Income
Suku
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,100
680
0.618
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Psycholinguistics
linguistic analysis of clinical data
developmental language
development of language assessment tools
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,088
860
0.790
* Total Citation Counts Rankings
Ranking Based On Selection: 20
epidemiology
disease control
public health
health literacy
health promotio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,047
840
0.802
* Total Citation Counts Rankings
Ranking Based On Selection: 21
magnetic nanoparticle
colloid and interface science
waste water treatmen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
985
576
0.585
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Human Resource Management
organizational behaviour
employee relations and industrial relation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
953
631
0.662
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Economics
Management
Finance
Business
Entrepreneurshi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
867
668
0.770
* Total Citation Counts Rankings
Ranking Based On Selection: 24
• Membrane technology • Nanotechnology • Palm oil mill effluent treatment • Separation an
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
820
737
0.899
* Total Citation Counts Rankings
Ranking Based On Selection: 25
TESL
Applied Linguistics
Language Learning Strategies
Oral Communication Strategies
Thinking Sk
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
805
630
0.783
* Total Citation Counts Rankings
Rankings
86,531
230
1
Ranking Based On Selection: 1
S Chakravarthi
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,775
4,370
0.371
Histopathology
Immunohistochemistry
Oncology
Drugs and natural products Toxicity studie
* Total Citation Counts Rankings
Rankings
219,901
943
2
Ranking Based On Selection: 2
Rebecca Wong|Rebecca SY Wong, Rebecca Shin-Yee Wong, RSY Wong
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,937
2,898
0.587
Stem cells
Leukaemia
Medical educatio
* Total Citation Counts Rankings
Rankings
264,408
1,218
3
Ranking Based On Selection: 3
Naw Lay Paw
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,046
1,932
0.478
obstetrics and Gynaecolog
* Total Citation Counts Rankings
Rankings
316,231
1,613
4
Ranking Based On Selection: 4
Bala Shanmugam
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,285
920
0.280
* Total Citation Counts Rankings
Rankings
322,732
1,662
5
Ranking Based On Selection: 5
Gurnam Kaur Sidhu
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,204
1,724
0.538
* Total Citation Counts Rankings
Rankings
339,517
1,778
6
Ranking Based On Selection: 6
Khairul Baharein Mohd Noor
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,011
1,391
0.462
* Total Citation Counts Rankings
Rankings
364,607
2,006
7
Ranking Based On Selection: 7
Wong See Chang|Dr Wong See Chang
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,757
743
0.269
Pediatric Infectious Disease in the tropic
* Total Citation Counts Rankings
Rankings
405,296
2,388
8
Ranking Based On Selection: 8
Aida Isma Binti Mohamad Idris|Aida Isma Mohamad Idris
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,402
1,285
0.535
wastewater treatment
membrane technology
forward osmosis
waste-to-energ
* Total Citation Counts Rankings
Rankings
457,905
2,855
9
Ranking Based On Selection: 9
Geetha Subramaniam
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,030
1,677
0.826
Labour Market Issues
Educational Management
Teaching & Learning
Sustainable Development
AI & Ed
* Total Citation Counts Rankings
Rankings
489,169
3,122
10
Ranking Based On Selection: 10
Saravana Kumar
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,847
773
0.419
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
535,527
3,603
11
Ranking Based On Selection: 11
Nooreiny Maarof
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,610
874
0.543
* Total Citation Counts Rankings
Rankings
562,883
3,868
12
Ranking Based On Selection: 12
Chin Voon Kin
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,487
1,340
0.901
infectious diseases
host pathogen interaction
cellular immunotherapy
omics technologie
* Total Citation Counts Rankings
Rankings
582,213
4,065
13
Ranking Based On Selection: 13
Tiu Zian Cheak
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,407
984
0.699
* Total Citation Counts Rankings
Rankings
598,338
4,244
14
Ranking Based On Selection: 14
Mahadevan Supramaniam
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,344
1,211
0.901
ERP
Business Process Managemen
* Total Citation Counts Rankings
Rankings
602,746
4,298
15
Ranking Based On Selection: 15
Mohamad Hisyam Selamat
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,328
601
0.453
Knowledge Management
Information Systems
Risk Managemen
* Total Citation Counts Rankings
Rankings
616,354
4,449
16
Ranking Based On Selection: 16
Neeraj Malhotra
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,278
486
0.380
Regenerative Endodontics
Aesthetic Dentistry
Restorative Dentistry
Hospital Managemen
* Total Citation Counts Rankings
Rankings
659,432
4,895
17
Ranking Based On Selection: 17
Shameem Rafik Galea
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,133
713
0.629
Applied Linguistics
Discourse studies
language use & acquisition
ESP
EL
* Total Citation Counts Rankings
Rankings
670,008
5,026
18
Ranking Based On Selection: 18
Meysam Safari
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,100
680
0.618
Personal Finance
Financial Planning
Investment
Fixed Income
Suku
* Total Citation Counts Rankings
Rankings
673,947
5,066
19
Ranking Based On Selection: 19
Rogayah A Razak
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,088
860
0.790
Psycholinguistics
linguistic analysis of clinical data
developmental language
development of language assessment tools
* Total Citation Counts Rankings
Rankings
687,876
5,221
20
Ranking Based On Selection: 20
Win Myint Oo
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,047
840
0.802
epidemiology
disease control
public health
health literacy
health promotio
* Total Citation Counts Rankings
Rankings
710,070
5,434
21
Ranking Based On Selection: 21
Huixin Che
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
985
576
0.585
magnetic nanoparticle
colloid and interface science
waste water treatmen
* Total Citation Counts Rankings
Rankings
722,039
5,588
22
Ranking Based On Selection: 22
Vimala Kadiresan
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
953
631
0.662
Human Resource Management
organizational behaviour
employee relations and industrial relation
* Total Citation Counts Rankings
Rankings
755,850
5,920
23
Ranking Based On Selection: 23
Sanmugam Annamalah
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
867
668
0.770
Economics
Management
Finance
Business
Entrepreneurshi
* Total Citation Counts Rankings
Rankings
775,442
6,101
24
Ranking Based On Selection: 24
Kah Chun Ho
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
820
737
0.899
• Membrane technology • Nanotechnology • Palm oil mill effluent treatment • Separation an
* Total Citation Counts Rankings
Rankings
781,816
6,162
25
Ranking Based On Selection: 25
Tarsame Singh A/L Masa Singh
SEGi University
Petaling Jaya, Malaysia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
805
630
0.783
TESL
Applied Linguistics
Language Learning Strategies
Oral Communication Strategies
Thinking Sk