Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Architecture and Design, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
![Bruce Bartholow Duncan](https://cdn.adscientificindex.com/pictures/2d/1087718.jpg)
Epidemiology
Diabetes
Cardiovascular disease
Obesity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
158,307
121,419
0.767
![Maria Inês Schmidt](https://cdn.adscientificindex.com/pictures/e8/1093865.jpg)
Medicina
Epidemiologia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
156,569
118,677
0.758
![César A. Bernardes](https://cdn.adscientificindex.com/pictures/d0/4990765.jpg)
Physics
Particle Physics
High-Energy Physics
Experimental High-Energy Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
202,361
99,001
0.489
![Gustavo Gil da Silveira](https://cdn.adscientificindex.com/pictures/d3/4305749.jpg)
hep-ex
hep-ph
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
136,377
86,350
0.633
![Christian Kieling](https://cdn.adscientificindex.com/pictures/10/829242.jpg)
Psychiatry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
84,676
66,177
0.782
![Bárbara Niegia Garcia De Goulart *](https://cdn.adscientificindex.com/pictures/67/1087666.jpg)
epidemiologia
deficiência
deglutição
reabilitação
comunicação humana
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,123
41,372
0.938
![Luis Augusto Rohde](https://cdn.adscientificindex.com/pictures/98/4962465.jpg)
TDAH
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,996
27,854
0.557
![Sandra Fuchs](https://cdn.adscientificindex.com/pictures/07/4962467.jpg)
Epidemiologia Cardiovascular
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,396
24,676
0.739
![AM Barros](https://cdn.adscientificindex.com/pictures/15/1079466.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,637
23,817
0.862
![Caroline Stein](https://cdn.adscientificindex.com/pictures/4c/1087716.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,235
22,159
0.997
![Kapczinski F](https://cdn.adscientificindex.com/pictures/47/641207.jpg)
Bipolar Disorders
Recurrent Depression
Staging
Neuroprogression
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50,060
21,616
0.432
![Luis Gustavo Pereira](https://cdn.adscientificindex.com/pictures/ea/825386.jpg)
Fisica de Particulas Experimental
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,053
17,358
0.866
![MB Gay Ducati](/user/assets/images/profile/no-profile-photo.png)
Física de Partículas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,142
16,424
0.858
![Basílio Xavier Santiago](/user/assets/images/profile/no-profile-photo.png)
Astrofísica
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,241
16,225
0.618
![Fernando Neves Hugo](https://cdn.adscientificindex.com/pictures/3c/1099996.jpg)
Dental Public Health
Oral Epidemiology
Oral Health
Geriatric Dentistry
Global Oral Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,432
14,622
0.839
![Thaisa Storchi Bergmann](https://cdn.adscientificindex.com/pictures/dd/825334.jpg)
Astrofísica
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,997
13,710
0.473
![Roberto Giugliani](https://cdn.adscientificindex.com/pictures/3a/4962466.jpg)
Rare Diseases
Medical Genetics
Inborn Errors of Metabolism
Lysosomal Storage Diseases
Neonatal Screening
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,883
12,991
0.450
![Giovanni Abrahão Salum](https://cdn.adscientificindex.com/pictures/ce/4962473.jpg)
Anxiety
Phobias
Panic
Adolescence
Childhood
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,755
12,754
0.761
![Valério Pillar](https://cdn.adscientificindex.com/pictures/20/828129.jpg)
Ecology
Quantitative Ecology
Biodiversity Analysis
Paleoecology
Grassland Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,245
12,277
0.552
![Elsa Regina Justo Giugliani](/user/assets/images/profile/no-profile-photo.png)
pediatrics
infant public health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,218
11,869
0.471
![Ricardo Kuchenbecker](https://cdn.adscientificindex.com/pictures/5f/4962470.jpg)
Epidemiologia de doenças infecciosas e infecções hospitalares
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,483
11,708
0.633
![Thiago Costa Lisboa Tlisboa](https://cdn.adscientificindex.com/pictures/6f/4962471.jpg)
Critical Care
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,775
11,196
0.630
![Adriano Brandelli](/user/assets/images/profile/no-profile-photo.png)
Bioactive peptides
Nanotechnology
Biotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,029
10,567
0.502
![Alejandro G Frank](https://cdn.adscientificindex.com/pictures/ef/1103644.jpg)
Technology Management
Operations Management
Industrial Innovation
Digital Transformation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,988
10,403
0.947
![Beatriz D. Schaan](https://cdn.adscientificindex.com/pictures/c8/4962476.jpg)
Diabetes mellitus
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,824
10,221
0.646
Bruce Bartholow Duncan
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
158,307
121,419
0.767
Epidemiology
Diabetes
Cardiovascular disease
Obesity
Maria Inês Schmidt
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
156,569
118,677
0.758
Medicina
Epidemiologia
César A. Bernardes
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
202,361
99,001
0.489
Physics
Particle Physics
High-Energy Physics
Experimental High-Energy Physics
Gustavo Gil da Silveira
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
136,377
86,350
0.633
Christian Kieling
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
84,676
66,177
0.782
Bárbara Niegia Garcia De Goulart *
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,123
41,372
0.938
epidemiologia
deficiência
deglutição
reabilitação
comunicação humana
Luis Augusto Rohde
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,996
27,854
0.557
Sandra Fuchs
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,396
24,676
0.739
Epidemiologia Cardiovascular
AM Barros
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,637
23,817
0.862
Caroline Stein
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,235
22,159
0.997
Kapczinski F
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50,060
21,616
0.432
Bipolar Disorders
Recurrent Depression
Staging
Neuroprogression
Luis Gustavo Pereira
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,053
17,358
0.866
MB Gay Ducati
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,142
16,424
0.858
Basílio Xavier Santiago
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,241
16,225
0.618
Fernando Neves Hugo
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,432
14,622
0.839
Dental Public Health
Oral Epidemiology
Oral Health
Geriatric Dentistry
Global Oral Health
Thaisa Storchi Bergmann
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,997
13,710
0.473
Roberto Giugliani
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,883
12,991
0.450
Rare Diseases
Medical Genetics
Inborn Errors of Metabolism
Lysosomal Storage Diseases
Neonatal Screening
Giovanni Abrahão Salum
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,755
12,754
0.761
Valério Pillar
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,245
12,277
0.552
Ecology
Quantitative Ecology
Biodiversity Analysis
Paleoecology
Grassland Ecology
Elsa Regina Justo Giugliani
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,218
11,869
0.471
pediatrics
infant public health
Ricardo Kuchenbecker
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,483
11,708
0.633
Epidemiologia de doenças infecciosas e infecções hospitalares
Thiago Costa Lisboa Tlisboa
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,775
11,196
0.630
Adriano Brandelli
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,029
10,567
0.502
Bioactive peptides
Nanotechnology
Biotechnology
Alejandro G Frank
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,988
10,403
0.947
Technology Management
Operations Management
Industrial Innovation
Digital Transformation
Beatriz D. Schaan
Universidade Federal do Rio Grande do Sul UFRGS
Porto Alegre, Brazil
![Brazil](/flags/br.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,824
10,221
0.646