Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, 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)
![Tara C Smith](https://cdn.adscientificindex.com/pictures/79/1391308.jpg)
Infectious diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,188
4,719
0.576
* Last 6 Years Citation Counts Rankings
![James Hannon](/user/assets/images/profile/no-profile-photo.png)
Physical Activity and Public Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,007
2,810
0.561
* Last 6 Years Citation Counts Rankings
![Jonathan Vangeest](https://cdn.adscientificindex.com/pictures/2f/1446517.jpg)
survey methods
healthcare disparities
health policy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,635
1,393
0.301
* Last 6 Years Citation Counts Rankings
![Dipendra Thapaliya](https://cdn.adscientificindex.com/pictures/89/1446754.jpg)
Infectious disease epidemiology
public health
medical microbiology
global health
molecular epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,592
1,222
0.768
* Last 6 Years Citation Counts Rankings
![Alka Kadariya](https://cdn.adscientificindex.com/pictures/d3/1439837.jpg)
Epidemiology
Public Health
Infectious Disease Epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,406
1,047
0.745
* Last 6 Years Citation Counts Rankings
![Mary M Step](https://cdn.adscientificindex.com/pictures/33/1446581.jpg)
health communication
social media
cancer prevention & control
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,418
590
0.416
* Last 6 Years Citation Counts Rankings
![Madhav P Bhatta](/user/assets/images/profile/no-profile-photo.png)
Health Disparities
Women and Children's Health
Immigrant and Rural Populations
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
901
574
0.637
* Last 6 Years Citation Counts Rankings
![Jeffrey S Hallam](https://cdn.adscientificindex.com/pictures/ec/1446731.jpg)
Physical activity
Social cognitive theory
Health behavior
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,296
496
0.383
* Last 6 Years Citation Counts Rankings
![Melissa D Zullo](/user/assets/images/profile/no-profile-photo.png)
Secondary prevention of cardiopulmonary disease in older adults
clinical quality improvement
women's health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
752
433
0.576
* Last 6 Years Citation Counts Rankings
![Sheryl Chatfield](https://cdn.adscientificindex.com/pictures/ac/4847427.jpg)
Physical and mental health
qualitative research
mixed methods research
disability studies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
417
348
0.835
* Last 6 Years Citation Counts Rankings
![R Scott Olds](https://cdn.adscientificindex.com/pictures/3f/1505271.jpg)
public health
alcohol
substance abuse
tobacco
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,199
212
0.177
* Last 6 Years Citation Counts Rankings
![Damilola Ayowole|Praise Toluwani Okunade](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
* Last 6 Years Citation Counts Rankings
![Oluwayemisi Ishola](https://cdn.adscientificindex.com/pictures/00/5321463.jpg)
Public Health
Health Promotion
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Last 6 Years Citation Counts Rankings
![Esther Akpan](https://cdn.adscientificindex.com/pictures/a5/5632729.jpg)
Public Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Tara C Smith
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,188
4,719
0.576
James Hannon
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,007
2,810
0.561
Physical Activity and Public Health
Jonathan Vangeest
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,635
1,393
0.301
survey methods
healthcare disparities
health policy
Dipendra Thapaliya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,592
1,222
0.768
Infectious disease epidemiology
public health
medical microbiology
global health
molecular epidemiology
Alka Kadariya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,406
1,047
0.745
Epidemiology
Public Health
Infectious Disease Epidemiology
Mary M Step
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,418
590
0.416
health communication
social media
cancer prevention & control
Madhav P Bhatta
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
901
574
0.637
Health Disparities
Women and Children's Health
Immigrant and Rural Populations
Jeffrey S Hallam
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,296
496
0.383
Physical activity
Social cognitive theory
Health behavior
Melissa D Zullo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
752
433
0.576
Secondary prevention of cardiopulmonary disease in older adults
clinical quality improvement
women's health
Sheryl Chatfield
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
417
348
0.835
Physical and mental health
qualitative research
mixed methods research
disability studies
R Scott Olds
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,199
212
0.177
public health
alcohol
substance abuse
tobacco
Damilola Ayowole|Praise Toluwani Okunade
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
Oluwayemisi Ishola
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Public Health
Health Promotion
Esther Akpan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000