Meet Vista.
An interdisciplinary team of researchers and healthcare providers committed to confronting the mounting drug epidemic and transforming clinical care for people who struggle to reduce their alcohol, marijuana, and other substance use
Faculty, postdoctoral fellows, and research staff affiliated with the Vista Clinical Research Group — including scientists from Brown University, Bradley Hospital, Lifespan Health System, and beyond — share a passion for advancing knowledge and clinical care for people who struggle with addiction. Our unique partnership transcends traditional institutional boundaries and brings together some of the top scientists and clinical specialists across disciplines to collaborate on cutting-edge research.
Our faculty are available to journalists and members of the media who seek information or commentary on issues related to alcohol, marijuana, and other drug use and related disorders and teen health more broadly.
Our Team
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Audrey Bell, BA
Senior Research Assistant, Brown University
Expertise: Clinical trial methods; ecological momentary assessment; data management
Pronouns: she/her
Audrey_Bell1@brown.edu
401-863-6720 -
Ryan Carpenter, PhD
Principal Investigator
Assistant Professor, University of Notre DameExpertise: Etiology of substance use and related problems; experience sampling methods; advanced statistical approaches
Pronouns: he/him
ryancarpenter@nd.edu -
Thomas Chun, MD, MPH
Principal Investigator
Professor, Brown University
Medical Staff, Hasbro Children’s HospitalExpertise: Board certified pediatrician and psychiatrist; clinical trial methods and medication development for addiction; mental and behavioral health issues as they pertain to the emergency department
Pronouns: he/him
Thomas_Chun@brown.edu -
Julie Cristello, PhD
Postdoctoral Fellow, Brown University, Clinical Fellow, Vista, Bradley Hospital
Expertise: Adolescent substance use; developmental psychopathology; social media
Pronouns: she/her
Julie_Cristello@brown.edu -
Noah Emery, PhD
Principal Investigator
Assistant Professor, Colorado State UniversityExpertise: Licensed clinical psychologist; licensed addition counselor, emotional functioning; substance use disorders, adolescent substance use; addiction treatment; intensive longitudinal research
Pronouns: he/him
noah.emery@colostate.edu
970-491-5905 -
Elisabeth Frazier, PhD
Clinical Assistant Professor, Brown University
Clinical Psychologist, Bradley HospitalExpertise: Licensed clinical psychologist; evidence-based behavioral health treatments for children and adolescents; treatment development and fidelity; evidence-based clinical supervision; clinical ethics
Pronouns: she/her
Elisabeth_Frazier@brown.edu
401-432-1217 -
Silvi Goldstein, PhD
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Tiffany Jenzer, PhD
Principal Investigator
Postdoctoral Research Associate, Bradley Hospital, Brown University HealthExpertise: Substance use; emotion regulation; trauma/post-traumatic stress disorder; longitudinal designs
Pronouns: she/her
Tiffany_Jenzer@brown.edu -
Grace Jordan
Undergraduate Student, Brown University
Research Assistant, Brown UniversityInterests: Reducing health disparities, social determinants of health, helping underserved communities with mental health
Pronouns: she/her
grace_jordan@brown.edu -
Olivia LaMarco
Research Assistant, Brown University
Expertise: Clinical trial methods; ecological momentary assessment; data management
Pronouns: she/her
Olivia_Lamarco@brown.edu
401-863-6958 -
Samuel Meisel, PhD
Assistant Professor, Boston University
Expertise: Licensed clinical psychologist; adolescent substance use, peer relationships, developmental psychopathology, longitudinal data analytic techniques
Pronouns: he/him
smeisel@bu.edu -
Ethan Mereish, PhD
Principal Investigator
Associate Professor, University of Maryland, College ParkAdjunct Associate Professor, Brown University
Expertise: Licensed clinical psychologist; effects of social, psychological, and cultural determinants of health for lesbian, gay, bisexual, and transgender (LGBT) individuals and racial/ethnic minorities as well as factors that promote their resilience; health disparities
Pronouns: he/him
emereish@umd.edu -
Robert Miranda Jr., PhD, MEd, ABPP
Principal Investigator
Professor, Brown University
Training Director, Center for Alcohol & Addiction Studies
Founder & Director, Bradley VistaExpertise: Board-certified, licensed clinical psychologist; assessment and treatment of adolescent substance use and co-occurring disorders; behavioral and pharmacological treatments for substance use and related problems; leveraging innovative technologies to assess and treat substance use; applying science to improve clinical practice
Pronouns: he/him
Robert_Miranda_Jr@brown.edu
401-863-6658 -
Jamie Parnes, PhD
Principal Investigator
Postdoctoral Research Associate, Bradley Hospital, Brown University Health
Clinical Fellow, Bradley VistaExpertise: Licensed clinical psychologist; marijuana use; substance treatment; harm reduction; sexual minority substance use
Pronouns: he/him
Jamie_Parnes@brown.edu -
Melissa Pielech, PhD
Principal Investigator
Assistant Professor, Brown UniversityExpertise: Licensed clinical psychologist; pediatric pain; adolescent and young adult substance use; family-based treatment approaches; integrated care; implementation science; mixed methodologies
Pronouns: she/her
Melissa_Pielech@brown.edu
401-863-6583 -
Samantha Portis, PhD
Principal Investigator
Assistant Professor, University of MissouriExpertise: Neuroimmunology; nutraceutical compounds; pharmacotherapy for alcohol use disorder
Pronouns: she/her
Samantha_Portis@brown.edu -
Jason Rafferty, MD, MEd, MPH
Clinical Assistant Professor, Brown University
Attending Psychiatrist & Pediatrician, Bradley Hospital, Hasbro Children’s Hospital, & Thundermist Health CentersExpertise: Assessment and treatment of adolescent substance use and related psychiatric disorders; adolescent gender and sexuality; LGBTQ health
Pronouns: he/him
Jason_Rafferty@brown.edu -
Kristin Rogers, MS
Project Coordinator, Brown University
Expertise: Clinical trial methods; ecological momentary assessment; data management
Pronouns: she/her
Kristin_Rogers@brown.edu
401-863-6463 -
Robert Rosales, PhD
Principal Investigator
Assistant Professor, Brown UniversityExpertise: Licensed clinical social worker; alcohol use and consequences; access to behavioral health care; ethnoracial minority health disparities
Pronouns: he/him
Robert_Rosales@brown.edu
401-863-6737 -
Rachel Weitz, DNP, APRN-BC
Nurse Practitioner, Bradley Hospital
Expertise: Assessment and treatment of adolescent substance use and related psychiatric disorders; pharmacotherapy
Pronouns: she/her
RWeitz@brownhealth.org -
Andrea Wycoff, PhD
Principal Investigator
Assistant Professor, University of MissouriExpertise: Alcohol and cannabis use; substance co-use; substance use motives; emotion dysregulation; ecological momentary assessment
Pronouns: she/her
wycoffa@health.missouri.edu
Join Us
We strive to foster the development of a diverse group of early-career behavioral, biomedical, and social scientists, as well as health care professionals who want to provide the highest quality clinical care or conduct cutting-edge research to advance our understanding and treatment of addiction.