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" (870,053 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: 3
Nilo Zanatta
Síntese orgânica
métodos espectroscópicos
química medicinal
Metrics
H-Index
i10 Index
Citation
58
293
12,922
* Rankings
Ranking Based On Selection: 6
Renato Zanella
GC-MS/MS
UHPLC-MS/MS
agrotóxicos
PPCPs
medicamentos de uso veterinário
Metrics
H-Index
i10 Index
Citation
49
169
8,262
* Rankings
Ranking Based On Selection: 9
Leandro Machado De Carvalho
Química Analítica
Ciências Farmacêuticas
Alimentos
Plantas Medicinais
Fitoterápicos
Metrics
H-Index
i10 Index
Citation
38
166
5,631

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* Rankings
Ranking Based On Selection: 11
Osmar Damian Prestes
Resíduos e Contaminantes
preparo de amostras
GC-MS/MS
LC-MS/MS
alimentos
Metrics
H-Index
i10 Index
Citation
36
90
4,600
* Rankings
Ranking Based On Selection: 15
Oscar Ed Rodrigues
Química Orgânica
Nanotecnologia
Química de compostos organocalcogênios
Metrics
H-Index
i10 Index
Citation
32
77
3,067
* Rankings
Ranking Based On Selection: 17
Paola Azevedo Mello
química
processos químicos
biomassa
petróleo
espectrometria
Metrics
H-Index
i10 Index
Citation
28
60
2,236
* Rankings
Ranking Based On Selection: 22
Robert A Burrow
inorganic chemistry
coordination polymers
crystallography
Metrics
H-Index
i10 Index
Citation
23
60
2,553
* Rankings
Ranking Based On Selection: 23
Marcelo Barcellos Da Rosa
Analytical Chemistry
Physical Chemistry
Rare Earth Elements (REE)
Food Chemistry
Pharmaceutical Sciences
Metrics
H-Index
i10 Index
Citation
22
48
1,494
* Rankings
Ranking Based On Selection: 24
Ronaldo Hoffmann
Renewable Energy
Energy and Environment
Energy Efficiency
Energy Conservation
Metrics
H-Index
i10 Index
Citation
17
29
1,047
Rankings
Ranking Based On Selection: 1
Gilson Zeni
Metrics
H-Index
i10 Index
Citation Counts
66
278
20,179
Rankings
Ranking Based On Selection: 2
Erico Marlon De Moraes Flores
Metrics
H-Index
i10 Index
Citation Counts
65
354
16,755
Rankings
Ranking Based On Selection: 3
Nilo Zanatta
Metrics
H-Index
i10 Index
Citation Counts
58
293
12,922
Síntese orgânica
métodos espectroscópicos
química medicinal
Rankings
Ranking Based On Selection: 4
Valderi Luiz Dressler
Metrics
H-Index
i10 Index
Citation Counts
56
171
9,557
Rankings
Ranking Based On Selection: 5
Helio Gauze Bonacorso
Metrics
H-Index
i10 Index
Citation Counts
52
271
11,410
Rankings
Ranking Based On Selection: 6
Renato Zanella
Metrics
H-Index
i10 Index
Citation Counts
49
169
8,262
GC-MS/MS
UHPLC-MS/MS
agrotóxicos
PPCPs
medicamentos de uso veterinário
Rankings
Ranking Based On Selection: 7
Fábio Andrei Duarte
Metrics
H-Index
i10 Index
Citation Counts
40
104
4,832
Rankings
Ranking Based On Selection: 8
Denise Bohrer
Metrics
H-Index
i10 Index
Citation Counts
40
118
4,528
Rankings
Ranking Based On Selection: 9
Leandro Machado De Carvalho
Metrics
H-Index
i10 Index
Citation Counts
38
166
5,631
Química Analítica
Ciências Farmacêuticas
Alimentos
Plantas Medicinais
Fitoterápicos
Rankings
Ranking Based On Selection: 10
Claudio Da Cruz Silveira
Metrics
H-Index
i10 Index
Citation Counts
38
119
5,361

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
Osmar Damian Prestes
Metrics
H-Index
i10 Index
Citation Counts
36
90
4,600
Resíduos e Contaminantes
preparo de amostras
GC-MS/MS
LC-MS/MS
alimentos
Rankings
Ranking Based On Selection: 13
Clarissa Piccinin Frizzo
Metrics
H-Index
i10 Index
Citation Counts
34
120
5,189
Rankings
Ranking Based On Selection: 14
Davi Fernando Back
Metrics
H-Index
i10 Index
Citation Counts
32
127
3,704
Inorgânica
orgânica
mineralogia
quântica
Rankings
Ranking Based On Selection: 15
Oscar Ed Rodrigues
Metrics
H-Index
i10 Index
Citation Counts
32
77
3,067
Química Orgânica
Nanotecnologia
Química de compostos organocalcogênios
Rankings
Ranking Based On Selection: 16
Leandro Souza Da Silva
Metrics
H-Index
i10 Index
Citation Counts
31
124
4,112
Rankings
Ranking Based On Selection: 17
Paola Azevedo Mello
Metrics
H-Index
i10 Index
Citation Counts
28
60
2,236
química
processos químicos
biomassa
petróleo
espectrometria
Rankings
Ranking Based On Selection: 18
Manfredo Horner
Metrics
H-Index
i10 Index
Citation Counts
27
83
2,725
Síntese e Estrutura de Complexos de coordenação
Rankings
Ranking Based On Selection: 19
Rochele Sogari Picoloto
Metrics
H-Index
i10 Index
Citation Counts
26
42
1,651
Rankings
Ranking Based On Selection: 20
Ricardo F Schumacher
Metrics
H-Index
i10 Index
Citation Counts
26
54
2,508
Rankings
Ranking Based On Selection: 21
Gelson Manzoni De Oliveira
Metrics
H-Index
i10 Index
Citation Counts
24
66
1,747
Rankings
Ranking Based On Selection: 22
Robert A Burrow
Metrics
H-Index
i10 Index
Citation Counts
23
60
2,553
inorganic chemistry
coordination polymers
crystallography
Rankings
Ranking Based On Selection: 23
Marcelo Barcellos Da Rosa
Metrics
H-Index
i10 Index
Citation Counts
22
48
1,494
Analytical Chemistry
Physical Chemistry
Rare Earth Elements (REE)
Food Chemistry
Pharmaceutical Sciences
Rankings
Ranking Based On Selection: 24
Ronaldo Hoffmann
Metrics
H-Index
i10 Index
Citation Counts
17
29
1,047
Renewable Energy
Energy and Environment
Energy Efficiency
Energy Conservation
Rankings
Ranking Based On Selection: 25
Jussiane Souza Da Silva
Metrics
H-Index
i10 Index
Citation Counts
12
13
763
Rankings
Ranking Based On Selection: 26
Rodrigo Cordeiro Bolzan
Metrics
H-Index
i10 Index
Citation Counts
12
14
507
Rankings
Ranking Based On Selection: 27
Odinei Silva Garcia
Metrics
H-Index
i10 Index
Citation Counts
1
0
1