Columbia Research Unit

Our Team

HIV Vaccine Research Team

  • Magda Sobieszczyk, MD, MPH

    • Principal Investigator and Clinician
    Headshot of Magda Sobieszcyk

  • Brett Gray, ANP, MPH

    • CTU Coordinator and Research Clinician
    Headshot of Brett Gray.

  • Deborah Theodore, MD, MPH

    • Clinician and Investigator
    Profile Headshot

  • Mascha Elskamp, RN, MS

    • Clinic Research Site Coordinator for Columbia Research Unit
    Photo of Mascha Elskamp

  • Juan Diego Ramirez, MPH

    • Clinical Research Coordinator
    Photo of Juan Diego Ramirez

  • Orlando Rosario, FNP

    • Research Clinician

  • Rusty Greene, DNP

    • Research Clinician
    Headshot of Rusty Greene

  • Hannah Catan, DNP

    • Research Clinician

  • Tawni Goodman, BSN, MPH

    • Research Nurse

  • Max Flanagan

    • Research Assistant
    Headshot of Max Flanagan

  • Katie Lerner, MSS

    • Research Assistant
    Headshot of Katie Lerner

  • Sudipta Hyder, MPH, BS

    • Research Assistant
    Photo of Sudipta Hyder

  • Jenny Li, BS

    • Research Assistant
    Photo of Jenny Li

Sexual Health and HIV Prevention Research Team

  • Jason Zucker, MD, MPH

    • Clinician and Investigator
    Profile Headshot

  • Anyelina Cantos, MS

    • Clinical Research Coordinator
    Headshot of Anyelina Cantos

  • Daniela Quigee, MS

    • Data Manager and Statistician

  • Simian Huang, MPH

    • Data Manager

  • Max Flanagan

    • Research Assistant
    Headshot of Max Flanagan

HIV Treatment Research Team

HIV Behavioral Research Team

  • Delivette Castor, PhD

    • Investigator
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  • Sarah Wiant, MPH

    • Program Manager
    Photo of Sarah Wiant

  • Daniela Quigee, MS

    • Data Manager and Statistician

COVID-19 Surveillance Research Team

  • Xiomara Javier

    • Research Coordinator
    Photo of Xiomara Javier

  • Sudipta Hyder, MPH, BS

    • Research Assistant
    Photo of Sudipta Hyder

  • Jenny Li, BS

    • Research Assistant
    Photo of Jenny Li

Mpox Research Team

  • Jason Zucker, MD, MPH

    • Research Clinician
    Profile Headshot

  • Anyelina Cantos, MS

    • Clinical Research Coordinator
    Headshot of Anyelina Cantos

  • Juan Diego Ramirez, MPH

    • Clinical Research Coordinator
    Photo of Juan Diego Ramirez

  • Ariana Pazmino, MSN, RN

    • Research Nurse

  • Simian Huang, MPH

    • Data Manager

Community Engagement Team

  • Jorge Benitez

    • Community Engagement Coordinator
    Headshot of Jorge Benitez

  • Henry Peralta

    • Community Engagement Associate

  • Brittany Rose, MSc

    • Community Engagement Associate

  • Briana Joseph, BS

    • Community Engagement Associate

Data Management Team

  • Christina Samurkas, MPH

    • Data Coordinator

  • Greg Vann, MPH

    • Data Coordinator

Regulatory Affairs Team

  • Ian Horton

    • Clinical Research Coordinator

  • Marlene Rojas, MPH

    • Regulatory Affairs Coordinator

  • Juan Diego Ramirez, MPH

    • Regulatory Coordinator
    Photo of Juan Diego Ramirez

Laboratory Team

  • Meredith McNairy, BA

    • Lab Manager
    Photo of Meredith McNairy

  • Jennifer Chang

    • Quality Operations Lab Manager
    Headshot of Jennifer Chang

  • Carlie Dorr, BS, BA

    • Senior Research Assistant
    Photo of Carlie Dorr

  • Jonathan Kunkel-Jure

    • Lab Technician and Research Assistant
    Photo of Jonathan Kunkel-Jure

  • Maame Gyamfi, BS

    • Research Assistant

  • Jackie Wu

    • Lab Technician