Citation Rankings
Highly Cited Researchers

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Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation IndexUniversities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025

* Total Citation Counts Rankings
Ranking Based On Selection :1
Canada
Roumen V Milev
Biomarkers
Bipolar Disorder and MDD
Psychopharmacology
Stigma
Sleep Architecture
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,471
10,171
0.618
* Total Citation Counts Rankings
Ranking Based On Selection :2
Canada
Muhammad Ayub
Psychiatry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,762
9,952
0.674
* Total Citation Counts Rankings
Ranking Based On Selection :3
Canada
Claudio N Soares
Mood Disorders
Reproductive Psychiatry
Menopause
Estrogen
Psychedelics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,625
5,281
0.418
* Total Citation Counts Rankings
Ranking Based On Selection :4
Canada
Gustavo Vazquez
medicine psychosis depression bipolar temperaments
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,876
6,376
0.646
* Total Citation Counts Rankings
Ranking Based On Selection :5
Canada
Rafael CR Freire
Anxiety disorders
psychopharmacology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,672
1,986
0.541
* Total Citation Counts Rankings
Ranking Based On Selection :6
Canada
Elvina M Chu
Neuropsychiatry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,230
423
0.344
* Total Citation Counts Rankings
Ranking Based On Selection :7
Canada
Sarosh Khalid Khan
Psychiatry
Child and Adolescent Psychiatry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,060
699
0.659
* Total Citation Counts Rankings
Ranking Based On Selection :8
Canada
Tariq Mahmood Hassan
psychiatry
mental health
psychiatrists
physicians
forensic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
844
666
0.789
* Total Citation Counts Rankings
Ranking Based On Selection :9
Canada
Callum Stephenson
Neuroscience
Psychiatry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
513
512
0.998
* Total Citation Counts Rankings
Ranking Based On Selection :10
Canada
Daniel Rivera
Psychiatry
Neuroscience
Health Outcomes
Cohort Studies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
410
409
0.998
* Total Citation Counts Rankings
Ranking Based On Selection :11
Canada
Sharday Mosurinjohn
psychedelics
religious studies
philosophy
cultural studies
contemporary art
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
101
90
0.891
* Total Citation Counts Rankings
Ranking Based On Selection :12
Canada
Nick Simpson
Psychiatry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64
54
0.844
* Total Citation Counts Rankings
Rankings
51,150
Canada
2,248
51
Ranking Based On Selection: 1
Roumen V Milev
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,471
10,171
0.618
Biomarkers
Bipolar Disorder and MDD
Psychopharmacology
Stigma
Sleep Architecture
* Total Citation Counts Rankings
Rankings
59,235
Canada
2,625
60
Ranking Based On Selection: 2
Muhammad Ayub
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,762
9,952
0.674
* Total Citation Counts Rankings
Rankings
72,464
Canada
3,226
81
Ranking Based On Selection: 3
Claudio N Soares
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,625
5,281
0.418
Mood Disorders
Reproductive Psychiatry
Menopause
Estrogen
Psychedelics
* Total Citation Counts Rankings
Rankings
97,182
Canada
4,381
107
Ranking Based On Selection: 4
Gustavo Vazquez
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,876
6,376
0.646
medicine psychosis depression bipolar temperaments
* Total Citation Counts Rankings
Rankings
265,316
Canada
11,140
276
Ranking Based On Selection: 5
Rafael CR Freire
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,672
1,986
0.541
* Total Citation Counts Rankings
Rankings
592,660
Canada
21,534
499
Ranking Based On Selection: 6
Elvina M Chu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,230
423
0.344
* Total Citation Counts Rankings
Rankings
645,467
Canada
23,016
521
Ranking Based On Selection: 7
Sarosh Khalid Khan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,060
699
0.659
* Total Citation Counts Rankings
Rankings
727,036
Canada
25,226
563
Ranking Based On Selection: 8
Tariq Mahmood Hassan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
844
666
0.789
psychiatry
mental health
psychiatrists
physicians
forensic
* Total Citation Counts Rankings
Rankings
892,660
Canada
29,190
642
Ranking Based On Selection: 9
Callum Stephenson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
513
512
0.998
* Total Citation Counts Rankings
Rankings
980,698
Canada
31,568
668
Ranking Based On Selection: 10
Daniel Rivera
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
410
409
0.998
Psychiatry
Neuroscience
Health Outcomes
Cohort Studies
* Total Citation Counts Rankings
Rankings
1,555,984
Canada
46,196
923
Ranking Based On Selection: 11
Sharday Mosurinjohn
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
101
90
0.891
psychedelics
religious studies
philosophy
cultural studies
contemporary art
* Total Citation Counts Rankings
Rankings
1,726,913
Canada
49,678
1,014
Ranking Based On Selection: 12
Nick Simpson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64
54
0.844