Top 100 Scientists

Top 100 Scientists in Qatar 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (873,690 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 1
Hanan Abdul Rahim
public health
epidemiology
social determinants of health
women's health
noncommunicable diseases
Metrics
H-Index
i10 Index
Citation
50
97
21,936
* Rankings
Ranking Based On Selection: 2
Rafael Consunji
Public health education and advocacy
injury prevention
trauma and critical care
Metrics
H-Index
i10 Index
Citation
24
33
1,808
* Rankings
Ranking Based On Selection: 3
Kalpana Singh
Medicine
Cancer
Cardiovascular Disease
Maternal Health
Public health
Metrics
H-Index
i10 Index
Citation
23
40
1,692
* Rankings
Ranking Based On Selection: 4
Ula Nur
cancer
survival
missing data
multiple imputation
Metrics
H-Index
i10 Index
Citation
23
29
4,437
* Rankings
Ranking Based On Selection: 6
Lily O Hara
public health
health promotion
fat studies
critical weight studies
Metrics
H-Index
i10 Index
Citation
19
24
1,203
* Rankings
Ranking Based On Selection: 7
Ahmad Almulla
Community Medicine
Tobacco use
Smoking
Public Health
Epidemiology
Metrics
H-Index
i10 Index
Citation
18
22
1,045
* Rankings
Ranking Based On Selection: 8
Silva Kouyoumjian
Epidemiology
Public Health
Tobacco
Smoking
Infectious diseases
Metrics
H-Index
i10 Index
Citation
16
19
988
* Rankings
Ranking Based On Selection: 9
Mujahed Shraim
Clinical Epidemiology
Health Services Research
Metrics
H-Index
i10 Index
Citation
15
22
1,170
* Rankings
Ranking Based On Selection: 10
Binny Thomas
Medication Safety Practices
Medication Errors
Adverse Drug Reactions
Metrics
H-Index
i10 Index
Citation
15
20
650

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* Rankings
Ranking Based On Selection: 12
Ravi Rangarajan
Environmental & Public Health
Climate Change
Food Security
Hydrology
Metrics
H-Index
i10 Index
Citation
10
11
254
* Rankings
Ranking Based On Selection: 13
Razi Mahmood
epidemiology
public health
oral health
circadian disruption
diabetes
Metrics
H-Index
i10 Index
Citation
6
6
270
* Rankings
Ranking Based On Selection: 15
Rami Yassoub
public health
health management
public policy
hospital governance
Metrics
H-Index
i10 Index
Citation
5
2
75
Rankings
Ranking Based On Selection: 1
Hanan Abdul Rahim
Metrics
H-Index
i10 Index
Citation Counts
50
97
21,936
public health
epidemiology
social determinants of health
women's health
noncommunicable diseases
Rankings
Ranking Based On Selection: 2
Rafael Consunji
Metrics
H-Index
i10 Index
Citation Counts
24
33
1,808
Public health education and advocacy
injury prevention
trauma and critical care
Rankings
Ranking Based On Selection: 3
Kalpana Singh
Metrics
H-Index
i10 Index
Citation Counts
23
40
1,692
Medicine
Cancer
Cardiovascular Disease
Maternal Health
Public health
Rankings
Ranking Based On Selection: 4
Ula Nur
Metrics
H-Index
i10 Index
Citation Counts
23
29
4,437
Rankings
Ranking Based On Selection: 6
Lily O Hara
Metrics
H-Index
i10 Index
Citation Counts
19
24
1,203
public health
health promotion
fat studies
critical weight studies
Rankings
Ranking Based On Selection: 7
Ahmad Almulla
Metrics
H-Index
i10 Index
Citation Counts
18
22
1,045
Community Medicine
Tobacco use
Smoking
Public Health
Epidemiology
Rankings
Ranking Based On Selection: 8
Silva Kouyoumjian
Metrics
H-Index
i10 Index
Citation Counts
16
19
988
Epidemiology
Public Health
Tobacco
Smoking
Infectious diseases
Rankings
Ranking Based On Selection: 9
Mujahed Shraim
Metrics
H-Index
i10 Index
Citation Counts
15
22
1,170
Rankings
Ranking Based On Selection: 10
Binny Thomas
Metrics
H-Index
i10 Index
Citation Counts
15
20
650
Medication Safety Practices
Medication Errors
Adverse Drug Reactions

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Mohamad Chehab
Metrics
H-Index
i10 Index
Citation Counts
12
14
464
Rankings
Ranking Based On Selection: 12
Ravi Rangarajan
Metrics
H-Index
i10 Index
Citation Counts
10
11
254
Environmental & Public Health
Climate Change
Food Security
Hydrology
Rankings
Ranking Based On Selection: 13
Razi Mahmood
Metrics
H-Index
i10 Index
Citation Counts
6
6
270
epidemiology
public health
oral health
circadian disruption
diabetes
Rankings
Ranking Based On Selection: 14
Hana J Abukhadijah
Metrics
H-Index
i10 Index
Citation Counts
6
4
648
Rankings
Ranking Based On Selection: 15
Rami Yassoub
Metrics
H-Index
i10 Index
Citation Counts
5
2
75
public health
health management
public policy
hospital governance