MHEAL at Brown University School of Public Health
Research Team
Shufang Sun, PhD
she/her
Don Operario, PhD
he/him
David Zelaya, PhD
he/him/él
Arryn Guy, PhD
she/they
Frances Saadeh, MPH
she/her
Bill Nardi, ScM
PhD Candidate
he/him
Ty Scott
Research Assistant
they/them
Matthew Murphy
he/him
Claire Pisani
Research Assistant
she/her
Volta Tran
she/her
Shufang Sun, PhD
LAB DIRECTOR (she/her)
Assistant Professor of Behavioral & Social Sciences
Brown University School of Public Health
Dr. Shufang Sun is an Assistant Professor in the Department of Behavioral and Social Sciences at the Brown University School of Public Health and Department of Psychiatry at Brown University Alpert Medical School. She is a faculty member of the Mindfulness Center at Brown University and the International Health Institute of Brown Public Health.
Dr. Sun’s NIH-funded research primarily aims to understand minority stress and mental health among marginalized populations, with a particular focus on LGBTQ individuals in both domestic and low-and-middle-income countries. Additionally, she is dedicated to promoting minority health, disease prevention, and management through innovative, evidence-based methods such as mHealth and mindfulness-based interventions. Her work has been supported by numerous NIH grants and other funding sources, enabling her to address the needs of diverse communities in the U.S. and around the world. To learn more about Dr. Sun’s research, please visit her website.
Don Operario, PhD
CO-INVESTIGATOR (he/him)
Professor of Behavioral, Social & Health Education Sciences
Emory University Rollins School of Public Health
Dr. Don Operario is the Grace Crum Rollins Distinguished Professor and Chair of the Department of Behavioral, Social, and Health Education Sciences at the Emory University’s Rollins School of Public Health. His research concerns the social psychological determinants of HIV, mental health, and related health issues (substance use, structural violence, access to services) in historically marginalized communities. Further, his work focuses on the lived experiences associated with social inequality, with an emphasis on understanding the perspectives of intersectional identities and addressing health and psychosocial disparities.
His NIH-funded projects examine these public health issues among racial and ethnic minority populations as well as sexual and gender minority populations in the United States, the Philippines, China, South Korea, Kenya, and South Africa.
David Zelaya, PhD
CO-INVESTIGATOR (he/him/él)
Assistant Professor of Behavioral & Social Sciences
Brown University School of Public Health
Dr. David G. Zelaya is an Assistant Professor (Research) at Brown University School of Public Health (SPH) within the Center for Alcohol and Addiction Studies (CAAS), Department of Behavioral and Social Sciences and a research fellow at Harvard Medical School within the Department of Psychiatry.
His program of research focuses on examining health disparities, from an intersectionality and minority stress lens, among Black, Indigenous, and People of Color and sexual and gender minority communities and links to HIV risk, mental health, and substance use. Clinically, he is interested in providing culturally competent behavioral health services to historically underserved communities (e.g., Spanish-speaking Latinx people; sexual and gender diverse people).

Arryn A. Guy, PhD
CO-INVESTIGATOR (she/they)
Investigator in Behavioral & Social Sciences
Brown University School of Public Health
Dr. Arryn A. Guy is a licensed Clinical Psychologist in Rhode Island and an Investigator in the Department of Behavioral and Social Sciences at the Brown University School of Public Health. Dr. Guy’s work focuses on community-based participatory research with queer and trans communities to develop and implement evidence-based behavioral health interventions.
Their community-engaged intervention work centers on healing from stigma and oppression, which includes dismantling HIV stigma, supporting all pathways to addiction recovery, and improving access to gender affirmative care.
Frances Saadeh, MPH
SENIOR RESEARCH COORDINATOR (she/her)
Centers for Epidemiology & Environmental Health
Brown University School of Public Health
Frances Saadeh, MPH, is a Senior Project Coordinator in the Centers for Epidemiologic Research at Brown University. Fran has worked in Public Health at Brown University for more than 15 years. She has overseen data collection on a number of different projects, with topics ranging from looking at quality of life outcomes of breast cancer survivors to studying residential moving patterns of mothers and their newborn infants.
Most recently she has served in the Mindfulness Center at Brown University and in Dr. Sun’s Mindfulness for Health Equity Lab (mHEAL). A two-time Brown graduate (’06, ’11) and Brown University employee, Fran lives in Rhode Island with her three children and playful pup.

Bill Nardi, ScM
PHD CANDIDATE (he/him)
Department of Behavioral & Social Sciences
Brown University School of Public Health
Bill Nardi is a third-year doctoral student interested in patient-oriented research for the development of comprehensive, integrative treatments for comorbid substance use and anxiety. Specifically, his work focuses on designing and testing mobile health applications as adjunctive therapies to primary substance use treatments utilizing mixed methods research. Bill holds an ScM from Brown University and is a person in recovery.

Ty Scott
RESEARCH ASSISTANT (he/they)
MPH Student
Brown University School of Public Health
Ty is a second year Master’s student at Brown University School of Public Health. They graduated from Brown for undergrad with a BA in Public Health. Their central research interests are PrEP access, HIV and STI/STD health, and health equity. They began research work in undergrad, assisting research teams dedicated to health behaviors surrounding HIV prevention among incarcerated individuals, mindfulness within the LGBTQ+ community, and diet among women with early life adversity.
Their thesis will review effective recruitment tactics for African American study participants that identify as sexual or gender minorities. In their free time, they enjoy varying creative outlets, most particularly modern dance, makeup, and cooking.

Matthew Murphy
MPH STUDENT (he/him)
Undergraduate
Brown University
Matt is a senior at Brown University concentrating in Psychology. At Brown, Matt works as a research assistant at Brown’s School of Public Health and at Emory University’s School of Medicine. Matt is also a teaching assistant (TA) for statistics courses and is interested in data science. Outside of class, he plays the cello in Brown’s Chamber and Applied Music program. Matt’s research interests pertain to social determinants of health and intervention development.
Claire Pisani
RESEARCH ASSISTANT (she/her)
Undergraduate
Brown University
Claire is a senior at Brown University concentrating in Science, Technology, and Society, and she will be attending the Warren Alpert Medical School of Brown University in the fall of 2023. Claire is very involved in the Brown Athletics community as she is a starter on the varsity Women’s Water Polo team, Ambassador of the Student Athlete Gay Alliance affinity group, and Diversity and Inclusion Chair of the Student Athletes for Mental Health Awareness group. Claire’s primary research interests are physical and mental health and minority stress, particularly among sexual and gender minority populations.

Volta Tran
RESEARCH ASSISTANT (she/her)
Center for Epidemiologic Research
Brown University School of Public Health

Mindfulness for Health Equity Lab (mHEAL)
Brown University, School of Public Health