Top 100 Scientists

World Top 100 Scientists 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
Mohamed Kheireddine Aroua
CO2 absorption
membrane separation
biodiesel production
adsorption
electroreduction and oxidation
Metrics
H-Index
i10 Index
Citation
79
238
27,211
* Rankings
Ranking Based On Selection: 2
Edward Rt Tiekink
Chemical Crystallography
Metal-Based Drugs
Metrics
H-Index
i10 Index
Citation
77
743
34,639
* Rankings
Ranking Based On Selection: 3
Sven Pettersson
gut microbiota-host interactions
Metrics
H-Index
i10 Index
Citation
69
156
31,130
* Rankings
Ranking Based On Selection: 4
Suat-Cheng Peh
cancer research
pathology
lymphoma
biomedical research
Metrics
H-Index
i10 Index
Citation
33
72
4,744
* Rankings
Ranking Based On Selection: 5
Phoey Lee Teh
Sentiment Analysis
Textual Analysis
Social Data Analysis
Semantic Analysis
Social Computing
Metrics
H-Index
i10 Index
Citation
18
28
848
* Rankings
Ranking Based On Selection: 6
Kenneth Cafferkey
High Performance Work Systems
Human Capital
AMO
Organizational Climate
Employee Turnover
Metrics
H-Index
i10 Index
Citation
17
22
1,232
* Rankings
Ranking Based On Selection: 7
Chean Yeah Yong
Vaccine
Drug Delivery
Genetic Engineering
Virology
Immunology
Metrics
H-Index
i10 Index
Citation
16
22
1,182
* Rankings
Ranking Based On Selection: 10
Malissa Maria Mahmud
Instructional System Designs (ISD)
Big Data and E-analytics
MALL
Computer-based Education
Mediated Communication
Metrics
H-Index
i10 Index
Citation
15
21
741

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* Rankings
Ranking Based On Selection: 11
Farihahusnah Hussin
adsorption
activated carbon/biochar
CO2 capture & utilisation
waste management
life cycle
Metrics
H-Index
i10 Index
Citation
14
16
991
* Rankings
Ranking Based On Selection: 12
Abdul Aziz Omar
process
wastewater treatment technology
environment and safety
Metrics
H-Index
i10 Index
Citation
14
25
931
* Rankings
Ranking Based On Selection: 13
Kian Meng Yap
Haptics
Tele-haptics
Multimodal communications
Advanced Networks
Tele-robotic
Metrics
H-Index
i10 Index
Citation
14
22
649
* Rankings
Ranking Based On Selection: 14
Alvin Lai Oon Ng
Mental health literacy
mindfulness
behaviour fluency
Metrics
H-Index
i10 Index
Citation
13
15
1,159
* Rankings
Ranking Based On Selection: 16
Harold Thwaites
Digital heritage
Cyberanthropology
Media research
Exhibition design
Research-Creation
Metrics
H-Index
i10 Index
Citation
12
16
1,014
* Rankings
Ranking Based On Selection: 17
Yeo Chien Ing
Coinage metal(I) thiolates
solution- and solid-state NMR
Metal-based Drugs
co-crystals
Metrics
H-Index
i10 Index
Citation
12
15
652
* Rankings
Ranking Based On Selection: 18
Ming Tsuey Chew
Diagnostic cytology
radiation biology
Metrics
H-Index
i10 Index
Citation
11
15
530
* Rankings
Ranking Based On Selection: 20
Yee Seng Tan
X-ray crystallography
Coordination Polymer
Structural Dynamic
Metrics
H-Index
i10 Index
Citation
10
12
456
* Rankings
Ranking Based On Selection: 22
Stephen T Homer
Sustainability
CSR
Bottom-up
Stakeholders
Metrics
H-Index
i10 Index
Citation
9
7
153
* Rankings
Ranking Based On Selection: 23
Norulsamani Abdullah|N. Abdullah
Electrocatalyst
Nanomaterial
Direct Methanol Fuel Cell
Metrics
H-Index
i10 Index
Citation
8
8
427
* Rankings
Ranking Based On Selection: 24
Saad Aslam
D2D Communication
6G
Machine Learning
Green Machine Learning
Mobile Networks
Metrics
H-Index
i10 Index
Citation
8
6
197
* Rankings
Ranking Based On Selection: 25
Michael Jenkins
Sense of Agency
Joint Action
Social Cognitive Neuroscience
Metrics
H-Index
i10 Index
Citation
8
8
161
Jason Wei Jian Ng|Jason Ng
ICT and Education in Vulnerable Communities
Life Satisfaction and Subjective Well-being
Malaysian Housing Affordability
Malay
Metrics
H-Index
i10 Index
Citation
8
7
213
Irina Pak
Text Analysis
Natural Language Processing
Metrics
H-Index
i10 Index
Citation
7
6
192
Samson Eugin Simon
Mitochondria
Apoptosis
Bcl2 family
Small molecules
Breast cancer
Metrics
H-Index
i10 Index
Citation
7
5
116
Kavitha Rajendran
Infections Disease Nano-drug Naegleria fowleri
Metrics
H-Index
i10 Index
Citation
6
5
331
Weng Pin Wong
energy storage
thermoelectric
2D nanomaterials synthesis
techno-economic study
renewable energy
Metrics
H-Index
i10 Index
Citation
6
4
123
Matthew Sansom
Sound Art
Creativity
Soundscape Studies
Metrics
H-Index
i10 Index
Citation
6
6
190
Delas Santano
Digital Heritage
Audiovisual Production
Metrics
H-Index
i10 Index
Citation
5
4
94
Amar Abdullah|Amar Abdullah
Neuroscience
healthy ageing
planetary health
Metrics
H-Index
i10 Index
Citation
5
3
213
Jemilah Mahmood
Health
Planetary Health
Sustainability
Climate Change
Metrics
H-Index
i10 Index
Citation
5
3
111
Jason Cheok
Cross-cultural
service interactions
tourism
Metrics
H-Index
i10 Index
Citation
5
2
96
Wai Kiat Tan
Tsunami modeling
epidemiology modeling and water quality modeling
Metrics
H-Index
i10 Index
Citation
5
3
83
Ho Chee Kit
Graph Theory
Combinatorics
Number Theory
Metrics
H-Index
i10 Index
Citation
5
1
63
Rabita Mohd Firdaus
nanomaterials
CO2 capture
Adsorption
Waste management
Metrics
H-Index
i10 Index
Citation
4
4
159
Anandraj Govindaraj
Coaching
Teacher Training
Technology Enhanced Learning
Metrics
H-Index
i10 Index
Citation
4
4
130
Brianna
Nanogel-Based DDS
Cancer Therapeutics
Metrics
H-Index
i10 Index
Citation
4
2
102
George Elsa|Elsa George
Energy storage
Nanomaterials
Metrics
H-Index
i10 Index
Citation
4
2
73
Hazim Khir
Dye sensitized solar cells
solar cell
solar energy
Metrics
H-Index
i10 Index
Citation
4
1
50
Priyadharshini Ahrumugam
Higher Education
Cyberbullying
Media & Gender
Health Communication
Metrics
H-Index
i10 Index
Citation
3
2
92
Israr Ahmad
Cyber security
Artificial intelligence
Privacy
5G
Wireless communication
Metrics
H-Index
i10 Index
Citation
3
2
74
Laila Haidar
Conservation
Adaptive reuse
Tower Houses Sana'a
Metrics
H-Index
i10 Index
Citation
3
2
54
Fiona E Chiong Wong
Visual arts
art and design
shadow play
eclectic cultural designs
Metrics
H-Index
i10 Index
Citation
3
0
15
Chong Chin Yoon
Optimization
Number Theory
Metrics
H-Index
i10 Index
Citation
3
0
22
Ibrahem T Nather Khsroo
AI
Machine Learning
Data Analysis
Web Development
Database Management
Metrics
H-Index
i10 Index
Citation
3
0
19
Zarin Yusoff
Artificial Intelligence
Metrics
H-Index
i10 Index
Citation
3
1
53
Agamutu Pariatamby
Solid and Hazardous Waste Management
Metrics
H-Index
i10 Index
Citation
2
2
124
Hafiz Kashif Razzaq
Sustainability Science
Energy storage devices
Metrics
H-Index
i10 Index
Citation
2
2
31
Huey Shee Loh
emotion and self
consumer-brand relationship
loneliness
transformative consumer research
Metrics
H-Index
i10 Index
Citation
2
1
69
Devandran Apparasamy
Acanthamoeba_Natural product_Nano-drug & Sustainability
Metrics
H-Index
i10 Index
Citation
2
1
28
Zubeida Rossenkhan
gender
disability
careers
identity
capital creation
Metrics
H-Index
i10 Index
Citation
2
1
19
Janitha Nadarajah
Employability Skills and Labor Market
Metrics
H-Index
i10 Index
Citation
2
1
51
Puay Tin Leow
Contemporary Malaysian Iheatre and Performance
Playwriting
Creation of Texts for Performance
Metrics
H-Index
i10 Index
Citation
2
1
38
Ai Suan Lee
face perception
bilingualism
cross-cultural perception
Metrics
H-Index
i10 Index
Citation
1
1
214
Vun Huang Liew
Cafe Culture
supernatural
film
Metrics
H-Index
i10 Index
Citation
1
0
8
Rankings
Ranking Based On Selection: 1
Mohamed Kheireddine Aroua
Metrics
H-Index
i10 Index
Citation Counts
79
238
27,211
CO2 absorption
membrane separation
biodiesel production
adsorption
electroreduction and oxidation
Rankings
Ranking Based On Selection: 2
Edward Rt Tiekink
Metrics
H-Index
i10 Index
Citation Counts
77
743
34,639
Chemical Crystallography
Metal-Based Drugs
Rankings
Ranking Based On Selection: 3
Sven Pettersson
Metrics
H-Index
i10 Index
Citation Counts
69
156
31,130
gut microbiota-host interactions
Rankings
Ranking Based On Selection: 4
Suat-Cheng Peh
Metrics
H-Index
i10 Index
Citation Counts
33
72
4,744
cancer research
pathology
lymphoma
biomedical research
Rankings
Ranking Based On Selection: 5
Phoey Lee Teh
Metrics
H-Index
i10 Index
Citation Counts
18
28
848
Sentiment Analysis
Textual Analysis
Social Data Analysis
Semantic Analysis
Social Computing
Rankings
Ranking Based On Selection: 6
Kenneth Cafferkey
Metrics
H-Index
i10 Index
Citation Counts
17
22
1,232
High Performance Work Systems
Human Capital
AMO
Organizational Climate
Employee Turnover
Rankings
Ranking Based On Selection: 7
Chean Yeah Yong
Metrics
H-Index
i10 Index
Citation Counts
16
22
1,182
Vaccine
Drug Delivery
Genetic Engineering
Virology
Immunology
Rankings
Ranking Based On Selection: 8
Zulkifli Bin Samah
Metrics
H-Index
i10 Index
Citation Counts
16
26
1,011
Rankings
Ranking Based On Selection: 9
Neeta S Singh
Metrics
H-Index
i10 Index
Citation Counts
16
27
2,418
Rankings
Ranking Based On Selection: 10
Malissa Maria Mahmud
Metrics
H-Index
i10 Index
Citation Counts
15
21
741
Instructional System Designs (ISD)
Big Data and E-analytics
MALL
Computer-based Education
Mediated Communication

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
Farihahusnah Hussin
Metrics
H-Index
i10 Index
Citation Counts
14
16
991
adsorption
activated carbon/biochar
CO2 capture & utilisation
waste management
life cycle
Rankings
Ranking Based On Selection: 12
Abdul Aziz Omar
Metrics
H-Index
i10 Index
Citation Counts
14
25
931
process
wastewater treatment technology
environment and safety
Rankings
Ranking Based On Selection: 13
Kian Meng Yap
Metrics
H-Index
i10 Index
Citation Counts
14
22
649
Haptics
Tele-haptics
Multimodal communications
Advanced Networks
Tele-robotic
Rankings
Ranking Based On Selection: 14
Alvin Lai Oon Ng
Metrics
H-Index
i10 Index
Citation Counts
13
15
1,159
Mental health literacy
mindfulness
behaviour fluency
Rankings
Ranking Based On Selection: 15
Anas Islam
Metrics
H-Index
i10 Index
Citation Counts
12
18
509
Rankings
Ranking Based On Selection: 16
Harold Thwaites
Metrics
H-Index
i10 Index
Citation Counts
12
16
1,014
Digital heritage
Cyberanthropology
Media research
Exhibition design
Research-Creation
Rankings
Ranking Based On Selection: 17
Yeo Chien Ing
Metrics
H-Index
i10 Index
Citation Counts
12
15
652
Coinage metal(I) thiolates
solution- and solid-state NMR
Metal-based Drugs
co-crystals
Rankings
Ranking Based On Selection: 18
Ming Tsuey Chew
Metrics
H-Index
i10 Index
Citation Counts
11
15
530
Diagnostic cytology
radiation biology
Rankings
Ranking Based On Selection: 19
Jack Bee Chook
Metrics
H-Index
i10 Index
Citation Counts
11
12
403
Rankings
Ranking Based On Selection: 20
Yee Seng Tan
Metrics
H-Index
i10 Index
Citation Counts
10
12
456
X-ray crystallography
Coordination Polymer
Structural Dynamic
Rankings
Ranking Based On Selection: 21
Seng-Kai Ong
Metrics
H-Index
i10 Index
Citation Counts
9
9
314
Rankings
Ranking Based On Selection: 22
Stephen T Homer
Metrics
H-Index
i10 Index
Citation Counts
9
7
153
Sustainability
CSR
Bottom-up
Stakeholders
Rankings
Ranking Based On Selection: 23
Norulsamani Abdullah|N. Abdullah
Metrics
H-Index
i10 Index
Citation Counts
8
8
427
Electrocatalyst
Nanomaterial
Direct Methanol Fuel Cell
Rankings
Ranking Based On Selection: 24
Saad Aslam
Metrics
H-Index
i10 Index
Citation Counts
8
6
197
D2D Communication
6G
Machine Learning
Green Machine Learning
Mobile Networks
Rankings
Ranking Based On Selection: 25
Michael Jenkins
Metrics
H-Index
i10 Index
Citation Counts
8
8
161
Sense of Agency
Joint Action
Social Cognitive Neuroscience
Rankings
Ranking Based On Selection: 26
Jason Wei Jian Ng|Jason Ng
Metrics
H-Index
i10 Index
Citation Counts
8
7
213
ICT and Education in Vulnerable Communities
Life Satisfaction and Subjective Well-being
Malaysian Housing Affordability
Malay
Rankings
Ranking Based On Selection: 27
Lee Seng Yeong
Metrics
H-Index
i10 Index
Citation Counts
8
7
210
Rankings
Ranking Based On Selection: 28
Irina Pak
Metrics
H-Index
i10 Index
Citation Counts
7
6
192
Text Analysis
Natural Language Processing
Rankings
Ranking Based On Selection: 29
Samson Eugin Simon
Metrics
H-Index
i10 Index
Citation Counts
7
5
116
Mitochondria
Apoptosis
Bcl2 family
Small molecules
Breast cancer
Rankings
Ranking Based On Selection: 30
Kavitha Rajendran
Metrics
H-Index
i10 Index
Citation Counts
6
5
331
Infections Disease Nano-drug Naegleria fowleri
Rankings
Ranking Based On Selection: 31
Weng Pin Wong
Metrics
H-Index
i10 Index
Citation Counts
6
4
123
energy storage
thermoelectric
2D nanomaterials synthesis
techno-economic study
renewable energy
Rankings
Ranking Based On Selection: 32
Usman Ahmed
Metrics
H-Index
i10 Index
Citation Counts
6
4
96
Rankings
Ranking Based On Selection: 33
Matthew Sansom
Metrics
H-Index
i10 Index
Citation Counts
6
6
190
Sound Art
Creativity
Soundscape Studies
Rankings
Ranking Based On Selection: 34
Delas Santano
Metrics
H-Index
i10 Index
Citation Counts
5
4
94
Digital Heritage
Audiovisual Production
Rankings
Ranking Based On Selection: 35
Amar Abdullah|Amar Abdullah
Metrics
H-Index
i10 Index
Citation Counts
5
3
213
Neuroscience
healthy ageing
planetary health
Rankings
Ranking Based On Selection: 36
Jemilah Mahmood
Metrics
H-Index
i10 Index
Citation Counts
5
3
111
Health
Planetary Health
Sustainability
Climate Change
Rankings
Ranking Based On Selection: 37
Jason Cheok
Metrics
H-Index
i10 Index
Citation Counts
5
2
96
Cross-cultural
service interactions
tourism
Rankings
Ranking Based On Selection: 38
Wai Kiat Tan
Metrics
H-Index
i10 Index
Citation Counts
5
3
83
Tsunami modeling
epidemiology modeling and water quality modeling
Rankings
Ranking Based On Selection: 39
Ho Chee Kit
Metrics
H-Index
i10 Index
Citation Counts
5
1
63
Graph Theory
Combinatorics
Number Theory
Rankings
Ranking Based On Selection: 40
Rabita Mohd Firdaus
Metrics
H-Index
i10 Index
Citation Counts
4
4
159
nanomaterials
CO2 capture
Adsorption
Waste management
Rankings
Ranking Based On Selection: 41
Anandraj Govindaraj
Metrics
H-Index
i10 Index
Citation Counts
4
4
130
Coaching
Teacher Training
Technology Enhanced Learning
Rankings
Ranking Based On Selection: 42
Sim Kai An
Metrics
H-Index
i10 Index
Citation Counts
4
3
81
Rankings
Ranking Based On Selection: 43
Li-Ann Hwang
Metrics
H-Index
i10 Index
Citation Counts
4
3
68
Rankings
Ranking Based On Selection: 44
Brianna
Metrics
H-Index
i10 Index
Citation Counts
4
2
102
Nanogel-Based DDS
Cancer Therapeutics
Rankings
Ranking Based On Selection: 45
George Elsa|Elsa George
Metrics
H-Index
i10 Index
Citation Counts
4
2
73
Energy storage
Nanomaterials
Rankings
Ranking Based On Selection: 46
Hazim Khir
Metrics
H-Index
i10 Index
Citation Counts
4
1
50
Dye sensitized solar cells
solar cell
solar energy
Rankings
Ranking Based On Selection: 47
Priyadharshini Ahrumugam
Metrics
H-Index
i10 Index
Citation Counts
3
2
92
Higher Education
Cyberbullying
Media & Gender
Health Communication
Rankings
Ranking Based On Selection: 48
Israr Ahmad
Metrics
H-Index
i10 Index
Citation Counts
3
2
74
Cyber security
Artificial intelligence
Privacy
5G
Wireless communication
Rankings
Ranking Based On Selection: 49
Laila Haidar
Metrics
H-Index
i10 Index
Citation Counts
3
2
54
Conservation
Adaptive reuse
Tower Houses Sana'a
Rankings
Ranking Based On Selection: 50
Fiona E Chiong Wong
Metrics
H-Index
i10 Index
Citation Counts
3
0
15
Visual arts
art and design
shadow play
eclectic cultural designs
Rankings
Ranking Based On Selection: 51
Kai Zhia Lau
Metrics
H-Index
i10 Index
Citation Counts
3
2
146
Rankings
Ranking Based On Selection: 52
Su Ann Liew
Metrics
H-Index
i10 Index
Citation Counts
3
2
60
Rankings
Ranking Based On Selection: 53
Chong Chin Yoon
Metrics
H-Index
i10 Index
Citation Counts
3
0
22
Optimization
Number Theory
Rankings
Ranking Based On Selection: 54
Ibrahem T Nather Khsroo
Metrics
H-Index
i10 Index
Citation Counts
3
0
19
AI
Machine Learning
Data Analysis
Web Development
Database Management
Rankings
Ranking Based On Selection: 55
Zarin Yusoff
Metrics
H-Index
i10 Index
Citation Counts
3
1
53
Artificial Intelligence
Rankings
Ranking Based On Selection: 56
Mohamad Hilman Bin Nordin
Metrics
H-Index
i10 Index
Citation Counts
2
2
179
Rankings
Ranking Based On Selection: 57
Agamutu Pariatamby
Metrics
H-Index
i10 Index
Citation Counts
2
2
124
Solid and Hazardous Waste Management
Rankings
Ranking Based On Selection: 58
Hafiz Kashif Razzaq
Metrics
H-Index
i10 Index
Citation Counts
2
2
31
Sustainability Science
Energy storage devices
Rankings
Ranking Based On Selection: 59
Huey Shee Loh
Metrics
H-Index
i10 Index
Citation Counts
2
1
69
emotion and self
consumer-brand relationship
loneliness
transformative consumer research
Rankings
Ranking Based On Selection: 60
Charis Shwu Chen Kwan
Metrics
H-Index
i10 Index
Citation Counts
2
1
49
Rankings
Ranking Based On Selection: 61
Devandran Apparasamy
Metrics
H-Index
i10 Index
Citation Counts
2
1
28
Acanthamoeba_Natural product_Nano-drug & Sustainability
Rankings
Ranking Based On Selection: 62
Zubeida Rossenkhan
Metrics
H-Index
i10 Index
Citation Counts
2
1
19
gender
disability
careers
identity
capital creation
Rankings
Ranking Based On Selection: 63
Chan Lay Guat
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
Rankings
Ranking Based On Selection: 64
Janitha Nadarajah
Metrics
H-Index
i10 Index
Citation Counts
2
1
51
Employability Skills and Labor Market
Rankings
Ranking Based On Selection: 65
Puay Tin Leow
Metrics
H-Index
i10 Index
Citation Counts
2
1
38
Contemporary Malaysian Iheatre and Performance
Playwriting
Creation of Texts for Performance
Rankings
Ranking Based On Selection: 66
Kalanithi Muthu
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
Rankings
Ranking Based On Selection: 67
Ai Suan Lee
Metrics
H-Index
i10 Index
Citation Counts
1
1
214
face perception
bilingualism
cross-cultural perception
Rankings
Ranking Based On Selection: 68
Vun Huang Liew
Metrics
H-Index
i10 Index
Citation Counts
1
0
8
Cafe Culture
supernatural
film
Rankings
Ranking Based On Selection: 69
Jactty Chew
Metrics
H-Index
i10 Index
Citation Counts
1
0
2