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Highly Cited Researchers

Natural Sciences Highly Cited Researchers 169 Scientists Citation in Qatar Rankings - 2026

See how widely and consistently research is cited with real-time citation rankings.
Covering 2.6 million scientists, this list evaluates both total and last 5 years’ citation counts to measure scientific influence and highlight Highly Cited Researchers.
Built on transparency, it also addresses unethical practices and encourages reporting of violations. Compare results across 13 fields and 221 disciplines.

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Total 169 scientists , 27 institution , Updates every 3 days
* Total Citation Counts Rankings

Rankings

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21,793
World Rank
Qatar
11
Country Rank
Qatar Foundation Logo
2
University
Ranking Based On Selection:
1
Nicolas Vilchez
Qatar Foundation Ar-Rayyan, Qatar
Natural Sciences / Physics
Astrophysic

Citation Metrics

  • Total
    34,341
  • Last 5 Years
    7,888
  • Last 5 Years / Total
    0.230
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* Total Citation Counts Rankings

Rankings

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29,355
World Rank
Qatar
17
Country Rank
Qatar University Logo
3
University
Ranking Based On Selection:
2
Sami Sayadi
Qatar University Doha, Qatar
Natural Sciences / Biological Science
Environmental Biotechnology | Sustainable Developmen

Citation Metrics

  • Total
    28,291
  • Last 5 Years
    14,223
  • Last 5 Years / Total
    0.503
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* Total Citation Counts Rankings

Rankings

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38,294
World Rank
Qatar
28
Country Rank
Hamad Medical Corporation Logo
3
University
Ranking Based On Selection:
3
Shahab Uddin|Shahab Uddin Khan
Hamad Medical Corporation Doha, Qatar
Natural Sciences / Molecular Biology & Genetics
Cancer Biology | Translational Research | dysregulated signalin

Citation Metrics

  • Total
    23,502
  • Last 5 Years
    12,178
  • Last 5 Years / Total
    0.518
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* Total Citation Counts Rankings

Rankings

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49,152
World Rank
Qatar
38
Country Rank
Qatar University Logo
13
University
Ranking Based On Selection:
4
Naila Rabbani
Qatar University Doha, Qatar
Natural Sciences / Molecular Biology & Genetics
Diabetes Advanced glycation endproducts | Proteomics | Biomarker

Citation Metrics

  • Total
    19,632
  • Last 5 Years
    7,701
  • Last 5 Years / Total
    0.392
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* Total Citation Counts Rankings

Rankings

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61,905
World Rank
Qatar
52
Country Rank
Sidra Medical and Research Center Logo
4
University
Ranking Based On Selection:
5
Donald R Love
Sidra Medical and Research Center Ar-Rayyan, Qatar
Natural Sciences / Molecular Biology & Genetics
Molecular Genetic

Citation Metrics

  • Total
    16,516
  • Last 5 Years
    3,468
  • Last 5 Years / Total
    0.210
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* Total Citation Counts Rankings

Rankings

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63,623
World Rank
Qatar
53
Country Rank
Sidra Medical and Research Center Logo
5
University
Ranking Based On Selection:
6
Patrick Tang
Sidra Medical and Research Center Ar-Rayyan, Qatar
Natural Sciences / Molecular Biology & Genetics
Virology | Metagenomics | Genomic Epidemiology | Microbiolog

Citation Metrics

  • Total
    16,189
  • Last 5 Years
    11,555
  • Last 5 Years / Total
    0.714
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* Total Citation Counts Rankings

Rankings

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70,896
World Rank
Qatar
59
Country Rank
Hamad Bin Khalifa University Logo
19
University
Ranking Based On Selection:
7
Mingzhan Xue
Hamad Bin Khalifa University Ar-Rayyan, Qatar
Natural Sciences / Biological Science
Biomarker | Anti-oxidative and metabolic stress | and bioactive

Citation Metrics

  • Total
    14,885
  • Last 5 Years
    3,646
  • Last 5 Years / Total
    0.245
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* Total Citation Counts Rankings

Rankings

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86,758
World Rank
Qatar
78
Country Rank
Qatar University Logo
31
University
Ranking Based On Selection:
8
Muftah H El Naas
Qatar University Doha, Qatar
Natural Sciences / Biological Science
CO2 Capture & Conversion | Electrocoagulation | Adsorption | Biotechnolog

Citation Metrics

  • Total
    12,647
  • Last 5 Years
    8,752
  • Last 5 Years / Total
    0.692
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* Total Citation Counts Rankings

Rankings

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90,348
World Rank
Qatar
81
Country Rank
Sidra Medical and Research Center Logo
8
University
Ranking Based On Selection:
9
Eric S Kilpatrick
Sidra Medical and Research Center Ar-Rayyan, Qatar
Natural Sciences / Chemical Sciences
Laboratory Medicine | Diabetes | Lipid

Citation Metrics

  • Total
    12,234
  • Last 5 Years
    3,981
  • Last 5 Years / Total
    0.325
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* Total Citation Counts Rankings

Rankings

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95,707
World Rank
Qatar
85
Country Rank
Qatar University Logo
36
University
Ranking Based On Selection:
10
Ibnelwaleed A Hussein
Qatar University Doha, Qatar
Natural Sciences / Chemical Sciences
Oilfield Chemistry | Materials for Energy Applications | H2 Storage | Energy & A

Citation Metrics

  • Total
    11,651
  • Last 5 Years
    8,289
  • Last 5 Years / Total
    0.711
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* Total Citation Counts Rankings

Rankings

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115,496
World Rank
Qatar
106
Country Rank
Qatar University Logo
48
University
Ranking Based On Selection:
11
Said Sif
Qatar University Doha, Qatar
Natural Sciences / Molecular Biology & Genetics
Epigenetics and cance

Citation Metrics

  • Total
    9,911
  • Last 5 Years
    2,607
  • Last 5 Years / Total
    0.263
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* Total Citation Counts Rankings

Rankings

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118,731
World Rank
Qatar
116
Country Rank
Qatar University Logo
53
University
Ranking Based On Selection:
12
Houssein Ayoub
Qatar University Doha, Qatar
Natural Sciences / Mathematical Sciences
Mathematical Modeling of Infectious Diseases | Computational Epidemiology | Hepatitis C Virus | STI

Citation Metrics

  • Total
    9,667
  • Last 5 Years
    9,561
  • Last 5 Years / Total
    0.989
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* Total Citation Counts Rankings

Rankings

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128,283
World Rank
Qatar
122
Country Rank
Qatar Foundation Logo
7
University
Ranking Based On Selection:
13
Sergey Rashkeev
Qatar Foundation Ar-Rayyan, Qatar
Natural Sciences / Physics
Condensed Matter Physics | Computational Materials Science | Physical Chemistr

Citation Metrics

  • Total
    9,020
  • Last 5 Years
    2,635
  • Last 5 Years / Total
    0.292
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* Total Citation Counts Rankings

Rankings

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133,258
World Rank
Qatar
127
Country Rank
Qatar University Logo
58
University
Ranking Based On Selection:
14
Serhiy Souchelnytskyi
Qatar University Doha, Qatar
Natural Sciences / Molecular Biology & Genetics
personalized medicine | biomedicine | cancer | proteomics | systems biolog

Citation Metrics

  • Total
    8,720
  • Last 5 Years
    1,527
  • Last 5 Years / Total
    0.175
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* Total Citation Counts Rankings

Rankings

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135,931
World Rank
Qatar
129
Country Rank
Sidra Medical and Research Center Logo
13
University
Ranking Based On Selection:
15
Ajaz Bhat
Sidra Medical and Research Center Ar-Rayyan, Qatar
Natural Sciences / Molecular Biology & Genetics
Cancer Biology | Immunology | Infectious disease

Citation Metrics

  • Total
    8,570
  • Last 5 Years
    7,932
  • Last 5 Years / Total
    0.926
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* Total Citation Counts Rankings

Rankings

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136,371
World Rank
Qatar
131
Country Rank
Sidra Medical and Research Center Logo
14
University
Ranking Based On Selection:
16
Mohammad Rubayet Hasan
Sidra Medical and Research Center Ar-Rayyan, Qatar
Natural Sciences / Molecular Biology & Genetics
Clinical Microbiology | Virology | Molecular Biology | Infectious Disease Diagnostic

Citation Metrics

  • Total
    8,546
  • Last 5 Years
    7,711
  • Last 5 Years / Total
    0.902
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* Total Citation Counts Rankings

Rankings

flag
142,338
World Rank
Qatar
140
Country Rank
Sidra Medical and Research Center Logo
15
University
Ranking Based On Selection:
17
Ikhlak Ahmed
Sidra Medical and Research Center Ar-Rayyan, Qatar
Natural Sciences / Molecular Biology & Genetics
Bioinformatics | Computational Genomics | Rare diseases | Multiomics | population genenomic

Citation Metrics

  • Total
    8,216
  • Last 5 Years
    3,338
  • Last 5 Years / Total
    0.406
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* Total Citation Counts Rankings

Rankings

flag
159,950
World Rank
Qatar
158
Country Rank
Qatar University Logo
72
University
Ranking Based On Selection:
18
Peter Kasak
Qatar University Doha, Qatar
Natural Sciences / Chemical Sciences
Surface modification | organic chemistry | polymerization | material chemistr

Citation Metrics

  • Total
    7,361
  • Last 5 Years
    5,136
  • Last 5 Years / Total
    0.698
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* Total Citation Counts Rankings

Rankings

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165,606
World Rank
Qatar
169
Country Rank
Qatar University Logo
75
University
Ranking Based On Selection:
19
Ala Eddin Al Moustafa
Qatar University Doha, Qatar
Natural Sciences / Molecular Biology & Genetics
Cellular & Molecular Oncolog

Citation Metrics

  • Total
    7,113
  • Last 5 Years
    4,559
  • Last 5 Years / Total
    0.641
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* Total Citation Counts Rankings

Rankings

flag
173,155
World Rank
Qatar
179
Country Rank
Hamad Medical Corporation Logo
18
University
Ranking Based On Selection:
20
Kodappully Sivaraman Siveen
Hamad Medical Corporation Doha, Qatar
Natural Sciences / Molecular Biology & Genetics
Flow Cytometry & Sorting | Deep phenotyping of Immune cell populations | Cancer stem cells | Oxidative Stres

Citation Metrics

  • Total
    6,815
  • Last 5 Years
    4,492
  • Last 5 Years / Total
    0.659
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* Total Citation Counts Rankings

Rankings

flag
174,120
World Rank
Qatar
180
Country Rank
Hamad Bin Khalifa University Logo
36
University
Ranking Based On Selection:
21
Georges Nemer
Hamad Bin Khalifa University Ar-Rayyan, Qatar
Natural Sciences / Molecular Biology & Genetics
Molecular biology | Genetics | Heart development and diseases | Exome sequencin

Citation Metrics

  • Total
    6,780
  • Last 5 Years
    2,794
  • Last 5 Years / Total
    0.412
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* Total Citation Counts Rankings

Rankings

flag
176,866
World Rank
Qatar
184
Country Rank
Hamad Bin Khalifa University Logo
38
University
Ranking Based On Selection:
22
Nehad M Alajez
Hamad Bin Khalifa University Ar-Rayyan, Qatar
Natural Sciences / Molecular Biology & Genetics
Cancer | microRNAs | lncRNA | Epigenetics | Biomarke

Citation Metrics

  • Total
    6,677
  • Last 5 Years
    3,901
  • Last 5 Years / Total
    0.584
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* Total Citation Counts Rankings

Rankings

flag
177,077
World Rank
Qatar
187
Country Rank
Qatar University Logo
84
University
Ranking Based On Selection:
23
Feras Alali
Qatar University Doha, Qatar
Natural Sciences / Chemical Sciences
Phytochemistry | phytotherapy | Dereplication | drug discover

Citation Metrics

  • Total
    6,669
  • Last 5 Years
    2,935
  • Last 5 Years / Total
    0.440
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* Total Citation Counts Rankings

Rankings

flag
188,956
World Rank
Qatar
192
Country Rank
Qatar University Logo
87
University
Ranking Based On Selection:
24
Mazen Khaled
Qatar University Doha, Qatar
Natural Sciences / Chemical Sciences
CO2 Conversion | Green Corrosion Inhibitors | Electrocatalysis | Coating

Citation Metrics

  • Total
    6,254
  • Last 5 Years
    3,689
  • Last 5 Years / Total
    0.590
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* Total Citation Counts Rankings

Rankings

flag
190,961
World Rank
Qatar
193
Country Rank
Qatar University Logo
88
University
Ranking Based On Selection:
25
Allal Ouhtit
Qatar University Doha, Qatar
Natural Sciences / Molecular Biology & Genetics
Molecular and cell biology | Genomics | Genetics | Cance

Citation Metrics

  • Total
    6,189
  • Last 5 Years
    2,678
  • Last 5 Years / Total
    0.433
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