Meet The Team!

Lab Director
Dr. Chavarria is the director of the Research on Addiction and Disparities (RoAD) Lab and an Assistant Professor in the Department of Psychology at Western University. He received his Ph.D. in clinical psychology from Florida State University, completed his pre-doctoral internship/residency at the University of Chicago Medical Center (UCMC), and completed postdoctoral fellowships at the UCMC and the Centre for Addiction and Mental Health. His research uses multiple methodologies to (i) uncover risk-factors and mechanisms associated with the development of substance-related consequences and substance use disorders and (ii) develop and disseminate treatment protocols to reduce/eliminate problematic substance use behaviors, with a focus on marginalized groups.

Dr. Chavarria is reviewing applications for a graduate student for the 2026/2027 application cycle. Please visit Join RoAD Lab for more details.
Applicants should have the long-term goal of an Academic/Research Career.
Graduate Students

PhD Student
Jason Chung
Jason is a PhD student in the clinical science and psychopathology stream. His research aims to identify and target processes that maintain and exacerbate high-risk behaviours (i.e., self-injury, substance use, suicide, and eating pathology), particularly among racialized and LGBTQ+ populations.

PhD Student
Karla Kovacek
Karla is in the first year of her PhD in Clinical Science and Psychopathology program at Western University". She completed her BA in Psychology at Toronto Metropolitan University (formerly Ryerson University). Her research interests include high-risk substance use in emerging adulthood and development of substance use disorders, with hope of informing prevention strategies and early interventions. In her free time, she enjoys baking, travelling, and photography.

PhD Student
Lila Gavigan
Lila is a PhD student in the psychological basis of Kinesiology at Western University. She also completed her undergraduate degree and MA in Kinesiology at Western university. Her research is focused on the effect of exercise on alcohol craving and executive function in heavy, social drinkers. Her favourite free-time activities are running and hanging out with her pug George.

MSc Student
Fernando Chacon
Fernando is a second year MSc student in the Clinical Science and Psychopathology program at UWO. He holds a Master’s in Community Psychology from the University of Chile and a BA in Psychology from the Central America University in El Salvador. His research interests focus on the links between trauma, post-traumatic stress disorder (PTSD), and substance use disorders, particularly among survivors of the Salvadoran civil war and their family members. Fernando is also member of the Surviving Memory in Postwar El Salvador collaborative research team, a SSHRC-funded partnership project based at UWO (www.elsalvadormemory.org).

MSc Student
Vidhi Patel
Vidhi is a first year MSc student in the Clinical Science and Psychopathology program at UWO. She completed her BSc in Psychology, Neuroscience and Behaviour at McMaster University. Her research interests are broadly in women's health and addiction. In her free time, she enjoys painting, reading and baking.

MSc Student
Taylor Nicole Breddy
Taylor is a first year MSc student in Clinical Psychology. She completed her Master's in Neuroscience at Western University in 2025. Taylor is passionate about investigating the transdiagnostic factors related to substance use disorders and eating disorders. She is also passionate about animal conservation and enjoys running, bouldering, and traveling.
If you are interested in applying to join the RoAD Lab as a graduate student, please visit here.
RoAD Lab Coordinator

Lab Coordinator
Carolyn Zhu
Carolyn is a fourth-year undergraduate student at Western University, pursuing an Honours Specialization in Psychology (BA). She is deeply committed to community engagement through research, volunteerism, and student leadership. Her current research examines alcohol influences on gambling behaviors, with a focus on differences between strategic and non-strategic gamblers. Carolyn aims to pursue graduate studies in clinical psychology, with the goal of contributing to the development of effective, evidence-based treatments and supports for individuals affected by addiction.
Honors Students, Research Assistants, and Volunteers
Honors Students:
Carolyn Zhu 2025-present,
Courtney Barekman 2025-present,
Joshua Bellavia 2024-2025,
Maya Mohabir 2024-2025,
Mackenzie Eva Hodson: 2023-2024, Andreia Rodrigues: 2022-2023
Research Assistants:
Sierra Balram-Fredericks,
Gabriela Valente,
Skyler Williams,
Katarina Jovanovic,
Tristen Caine Look-Hong,
Hao Ni,
Catherine Montemarano,
Mischa Mirzaei,
Anita Torki,
Amal Elbuluk,
Emma Louise Raiz,
Isabella Cullen,
Sara Hlaing,
Anisa Mughal,
Cheyenne Morris,
Kaitlyn Dib
RoAD Lab Alumni:
Lucy Zhang, Kira Nourse, Kaitlyn Furey, Shirley Wang, Olivia Dinel, Audrey Felisha Widjaja, Rita Azeredo, Ceilidh Kim,
Angelina Stefanovici
Please visit here for information on how to join the RoAD Lab.