Current Trainees
![](https://scholarblogs.emory.edu/rollinssudprogram/files/2022/08/Caroline-Berry-Spark-300x300.png)
– PhD Candidate Behavioral, Social, and Health Education Sciences
– SUD-related research interest: social support and social network normative influence in relation to substance use and mental health among adolescents in the Cherokee Nation
– Advanced Data Method: Natural Language Processing and Machine Learning
![](https://scholarblogs.emory.edu/rollinssudprogram/files/2023/09/Snigdha-Peddireddy-picture-4.jpg)
Snigdha Peddireddy
– PhD Candidate Behavioral, Social, and Health Education Sciences
– SUD-related research interest: implementation of federal and state laws that impact the health of PWUD, with a focus on Black, Indigenous, and Latine/-x PWUD
– Advanced Data Method: Machine Learning & large administrative databases
![](https://scholarblogs.emory.edu/rollinssudprogram/files/2022/05/tada-fellow-2-300x300.jpg)
Erin Rogers
– PhD Candidate Epidemiology
– SUD-related research interest: How SUDs influence treatment trajectories for individuals living with HIV
– Advanced Data Method: Machine Learning & Causal Inference
![](https://scholarblogs.emory.edu/rollinssudprogram/files/2022/05/tada-fellow-1.jpg)
– PhD Candidate Behavioral, Social, and Health Education Sciences
– SUD-related research interest: Quality-of-care outcomes for populations frequently prescribed opioids.
– Advanced Data Method: Machine Learning and Natural Language Processing
![](https://scholarblogs.emory.edu/rollinssudprogram/files/2023/09/Simone-Wien-picture.jpg)
Simone Wien
– PhD Candidate Epidemiology
– SUD-related research interest: structural racism, the lived environment, and pregnant and postpartum PWUD patient-provider interactions
– Advanced Data Method: Geospatial Information Systems & large administrative databases
Past Fellows
![carla_jones_harrell](https://scholarblogs.emory.edu/rollinssudprogram/files/2020/08/carla_jones_harrell-150x150.png)
Carla Jones-Harrell
– PhD Behavioral, Social, and Health Education Sciences
– SUD-related research interest: Opioid-related outcomes.
– Advanced Data Method: Geospatial Information Systems
– Completed: Summer 2022
![lauren_bertin](https://scholarblogs.emory.edu/rollinssudprogram/files/2020/09/12191018-10205194921897809-5014075485383353912-n-150x150.jpg)
Lauren Bertin
– Clinical Psychology
– SUD-related research interest: Alcohol & cannabis use disorders
– Advanced Data Method: Gene-Environment interactions
– Completed: Summer 2022
![](https://scholarblogs.emory.edu/rollinssudprogram/files/2021/03/Webster-150x150.jpg)
Joni Webster
– PhD Sociology – Health
– SUD-related research interest: How Black Twitter users Discuss Mental & Emotional Wellbeing in Relation to Non-Medical Drug Use, Death, and Everyday Life
– Advanced Data Method: Machine Learning/Natural Language Processing