Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 155 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
Avian haemosporidia
Parasitology
Molecular evolutionary genetics
Ornitholog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,914
31,166
0.868
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,867
3,972
0.505
* Total Citation Counts Rankings
Ranking Based On Selection: 3
semiconductor
metal oxide
sensor
solar
hydroge
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,798
1,259
0.262
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Theoretical Physics
Informational Thecnologie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,301
1,050
0.318
* Total Citation Counts Rankings
Ranking Based On Selection: 5
optics
photonics
lase
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,835
899
0.317
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Biotechnology
Plant Physiology
Molecular Biology
Biochemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,368
2,333
0.985
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Ecology
Soil scienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,359
2,176
0.922
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Prosthodontic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,214
2,194
0.991
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Biochemistry
Microbiology
Biophysics
Biotechnolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,198
1,258
0.572
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Graph theory
Machine learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,084
1,870
0.897
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Theoretical Physic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,933
669
0.346
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Nanophysics
Semiconductor nanostructures
Construction material
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,915
885
0.462
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Botany/Mycolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,791
957
0.534
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,720
608
0.353
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Physic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,501
653
0.435
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,399
261
0.187
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Biotechnology
Biophysics
Biochemistry
Microbiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,277
842
0.659
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Terahertz technolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,237
244
0.197
* Total Citation Counts Rankings
Ranking Based On Selection: 19
optical computing
beam shaping
optical imaging
light-matter nonlinear interaction
liquid crystal optic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,121
857
0.764
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Microbiology
Biotechnology
Biochemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
991
394
0.398
* Total Citation Counts Rankings
Ranking Based On Selection: 21
theoretical and mathematical physic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
976
140
0.143
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
946
329
0.348
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Neuroscience
Biochemistry
Molecular Biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
881
747
0.848
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Microbiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
878
690
0.786
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Applied Mathematic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
863
117
0.136
* Total Citation Counts Rankings
Rankings
18,347
1
1
Ranking Based On Selection: 1
Sargis A Aghayan *
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,914
31,166
0.868
Avian haemosporidia
Parasitology
Molecular evolutionary genetics
Ornitholog
* Total Citation Counts Rankings
Rankings
137,509
10
2
Ranking Based On Selection: 2
Trchounian A
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,867
3,972
0.505
* Total Citation Counts Rankings
Rankings
226,526
15
3
Ranking Based On Selection: 3
Vladimir Aroutiounian
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,798
1,259
0.262
semiconductor
metal oxide
sensor
solar
hydroge
* Total Citation Counts Rankings
Rankings
315,657
18
4
Ranking Based On Selection: 4
Hovik Grigorian
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,301
1,050
0.318
Theoretical Physics
Informational Thecnologie
* Total Citation Counts Rankings
Rankings
357,383
20
5
Ranking Based On Selection: 5
Ashot H Gevorgyan
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,835
899
0.317
* Total Citation Counts Rankings
Rankings
410,418
22
6
Ranking Based On Selection: 6
Abhishek Singh
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,368
2,333
0.985
Biotechnology
Plant Physiology
Molecular Biology
Biochemistr
* Total Citation Counts Rankings
Rankings
411,578
23
7
Ranking Based On Selection: 7
Karen Ghazaryan
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,359
2,176
0.922
* Total Citation Counts Rankings
Rankings
431,273
25
1
Ranking Based On Selection: 8
Artak Heboyan
Yerevan State Medical University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,214
2,194
0.991
* Total Citation Counts Rankings
Rankings
433,626
26
8
Ranking Based On Selection: 9
Karen Trchounian
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,198
1,258
0.572
Biochemistry
Microbiology
Biophysics
Biotechnolog
* Total Citation Counts Rankings
Rankings
450,444
27
9
Ranking Based On Selection: 10
Hrant Khachatrian
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,084
1,870
0.897
Graph theory
Machine learnin
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
475,108
32
10
Ranking Based On Selection: 11
Avetissian HK|G.K. Avetisyan
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,933
669
0.346
* Total Citation Counts Rankings
Rankings
478,112
33
11
Ranking Based On Selection: 12
Manuk Barseghyan
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,915
885
0.462
Nanophysics
Semiconductor nanostructures
Construction material
* Total Citation Counts Rankings
Rankings
500,541
35
12
Ranking Based On Selection: 13
Susanna Badalyan
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,791
957
0.534
* Total Citation Counts Rankings
Rankings
514,302
37
13
Ranking Based On Selection: 14
Albert Kirakosyan
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,720
608
0.353
* Total Citation Counts Rankings
Rankings
560,867
41
14
Ranking Based On Selection: 15
Gf Mkrtchian|G. F. Mkrtchyan
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,501
653
0.435
* Total Citation Counts Rankings
Rankings
585,385
46
15
Ranking Based On Selection: 16
K Nerkararyan
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,399
261
0.187
* Total Citation Counts Rankings
Rankings
617,512
47
16
Ranking Based On Selection: 17
Lilit Gabrielyan
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,277
842
0.659
Biotechnology
Biophysics
Biochemistry
Microbiolog
* Total Citation Counts Rankings
Rankings
629,096
49
17
Ranking Based On Selection: 18
Y Avetisyan
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,237
244
0.197
* Total Citation Counts Rankings
Rankings
664,166
54
18
Ranking Based On Selection: 19
Mushegh Rafayelyan
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,121
857
0.764
optical computing
beam shaping
optical imaging
light-matter nonlinear interaction
liquid crystal optic
* Total Citation Counts Rankings
Rankings
708,802
58
19
Ranking Based On Selection: 20
Anna Poladyan Anna Poladian
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
991
394
0.398
Microbiology
Biotechnology
Biochemistr
* Total Citation Counts Rankings
Rankings
714,541
60
20
Ranking Based On Selection: 21
Levon Mardoyan
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
976
140
0.143
* Total Citation Counts Rankings
Rankings
725,721
61
21
Ranking Based On Selection: 22
Gegham Gevorkyan
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
946
329
0.348
* Total Citation Counts Rankings
Rankings
751,003
63
2
Ranking Based On Selection: 23
Konstantin Yenkoyan
Yerevan State Medical University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
881
747
0.848
Neuroscience
Biochemistry
Molecular Biolog
* Total Citation Counts Rankings
Rankings
752,249
64
22
Ranking Based On Selection: 24
Hovik Panosyan
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
878
690
0.786
* Total Citation Counts Rankings
Rankings
758,697
66
23
Ranking Based On Selection: 25
Hakop Hakopian
Yerevan State University
Yerevan, Armenia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
863
117
0.136