DrPH Student Profiles
Shameela Ali
- 2025
I am a Doctor of Public Health (DrPH) student in Epidemiology. I earned my
MPH in Epidemiology at the University of Texas Health Science Center Houston in 2020 and a BS in Human Development and Family Sciences from the University of Texas at Austin in 2019. In the last few years, I've worked with the California Department of Public Health Tuberculosis Control Branch where I started an Latent Tuberculosis Infection (LTBI) Surveillance system. Prior to this, I worked as an Epidemiologist with Texans for Safe and Drug Free Youth where I worked with other Texas coalitions to make an impact on youth alcohol access policies.
My research interests center on mental health, social determinants of health, and data-driven policy development, with a particular focus on how community-level systems influence behavioral and mental health outcomes. At Columbia, I aim to deepen my expertise at the intersection of data science and mental health, using applied epidemiologic methods to uncover actionable insights that inform equitable public health solutions.Research Interests
- Health equity
- Mental health
- Psychiatric epidemiology

Navjot Buttar
- 2023
I am Navjot Buttar (Nav), a second-year Doctor of Public Health (DrPH) student in Epidemiology at Columbia University's Mailman School of Public Health. My studies focus on the intersection of epidemiology and health communication, particularly the roles of social media and artificial intelligence in health information dissemination. I am dedicated to understanding the mechanisms behind health misinformation and its impact on health behaviors, especially in at-risk communities. I work full-time as a Staff Associate in the Department of Epidemiology, managing research on gun violence prevention in K-12 public schools. I also volunteer with Critica on a project addressing malaria-vaccine-related misinformation in Cameroon. I hold a Master of Public Health from Columbia University and a Bachelor of Dental Surgery from India. I aspire to establish evidence-based strategies for effective health communication that promote healthy behaviors and mitigate the adverse effects of misinformation. I am committed to creating culturally sensitive, non-stigmatizing, and cross-utilizable health literacy and communication tools, programs, and policies. Outside my professional pursuits, I enjoy art, reading fiction and non-fiction, writing amateur poetry, flaneuring around New York City, windows, and a warm cup of masala chai!
Research interests:
- Health equity
- Stigma and HIV
- Health and racial disparities

Madeline Cannon
- 2024
Since 2020, I have worked as a data analyst and epidemiologist for the FDNY World Trade Center Health Program. I earned my bachelor’s degree in mathematics and computer science from the University of Oregon in 2018, and my MPH in biostatistics from the Mailman School of Public Health in 2020. I am interested in occupational and environmental health, with a specific focus on the health of 9/11 responders. My research to date has primarily concerned respiratory and cardiovascular disease, but I am shifting focus towards cancer epidemiology.
Research Interests
- Occupational Health
- Environmental Health
- Cancer
- Respiratory Disease

Vanessa Dor
- 2021
I am a first-year candidate in the DrPH Epidemiology program. I received my medical doctoral degree and pediatric specialization from the State University of Haïti and my Field Epidemiology Training from the FETP-Haïti/CDC program. Then, I completed my MSc in Global Health at Harvard Medical School. As a medical provider and coordinator, I planned and managed maternal health, pediatric health, and infectious disease services and interventions. With the FETP program, I conducted outbreak investigations, infectious disease surveillance, health system monitoring and evaluation, and worked on research projects focusing mainly on vaccine-preventable diseases and healthcare-associated infections. During my training in Global Health, my research projects became more focused on health equity and social determinants of health. Currently, I am eager to use implementation science and a mixed-method approach to explore research domains of interest such as maternal and child health, infectious diseases, social and political determinants of health, and global health.
Research Interests
- Maternal and Child Health
- Infectious Diseases
- Health Equity
- Social and Political Determinants of Health
- Global Health

Ikhtiyor Djuraev
- 2025
I am a Doctor of Public Health student in the Department of Epidemiology. Currently, I serve as a Quality, Safety, and Data Analytics Manager at Calvary Hospital. In my role, I strive to elevate patient care standards while streamlining departmental operations through data analysis, visualization, and lean methodology. In my academic pursuits, I am interested in cancer research, particularly cervical cancer, and understanding health disparities among Central Asian immigrant communities. My commitment to cancer research is fueled by my desire to identify and address systemic barriers that disproportionately affect vulnerable communities within healthcare. I hold a Master of Public Health in Epidemiology from SUNY Downstate School of Public Health and a Bachelor’s degree in Health and Nutrition Sciences from Brooklyn College. Ultimately, my goal as a DrPH Epidemiology student is to build myself as a dynamic leader and help transform healthcare systems by integrating research, data, and community engagement to reduce disparities and ensure that all patients—regardless of background—receive the highest standard of cancer care.
Research Interests
- Social Determinants of Health
- Cancer Epidemiology
- Spatial Epidemiology
- Global Health

Sarah Francis
- 2020
I am a fourth-year student in the DrPH program in the Epidemiology department. I received my BS in public health from the University of North Carolina at Chapel Hill and my MPH in Epidemiology from Columbia University. In my work with local, state and federal governments, I have focused on projects ranging from synthetic drug use to high school sports-related concussions. My research currently focuses on evaluating infectious disease surveillance systems. My research interests include infectious diseases, surveillance systems and evaluation.
Research Interests
- Evaluation
- Surveillance systems
- Infectious diseases
- COVID-19
- Influenza-Like-Illness (ILI)

Rachel Gruver
- 2018
I am a doctoral candidate in Epidemiology. My research is focused on sexual/ reproductive health and mental health in vulnerable populations, both in the US and globally. I am interested in the intersection of public health research and practice: implementation science and research that directly informs policies and programs.
Currently, I work on the Asenze study, a longitudinal cohort of children/adolescents in KwaZulu-Natal, South Africa, studying the long-term impacts of intimate partner violence (IPV) in families to identify ways to prevent or minimize harmful impacts on children and adolescents. I also work on HIV-focused research, and recently led an evaluation of an ICAP HIV/TB program in Eswatini.
Prior to the DrPH program, I earned my BS from Cornell University in 2008, and my MPH in Sexuality and Health from the Department of Population and Family Health at the Columbia Mailman School of Public Health in 2012. In my work at the Children’s Hospital of Philadelphia PolicyLab research center, and the Department of Population Medicine at Harvard Pilgrim Health Care Institute and Harvard Medical School, I managed research projects and conducted analyses on maternal & child health and access to health care. I also worked in community health in NYC for several years.
Research Interests
- Sexual and Reproductive Health
- HIV
- Intimate Partner Violence (IPV)
- Mental Health
- Maternal and Child Health
- Program Evaluation
- Implementation Science

Morgan Hall
- 2025
My research focuses on understanding how social and structural determinants shape chronic disease risk and population health outcomes. I am particularly interested in how factors such as socioeconomic status, neighborhood environments, and occupational exposures interact to influence the onset and progression of chronic diseases across the life course. My previous work investigated the relationship between air pollution and acute respiratory disease among working adults in South Africa, emphasizing how social context modifies environmental health risks. I hold a Master of Public Health in Epidemiology from the University of Michigan, with concentrations in Global Health and Occupational & Environmental Health Epidemiology, and a Bachelor of Science in Biology from Morgan State University. Previously, I served as Program Manager for the NIH FIRST Coordination and Evaluation Center and the Georgia Clinical & Translational Science Alliance (CTSA) at Morehouse School of Medicine, where I contribute to national efforts to evaluate and advance inclusive excellence in the biomedical research workforce. My long-term goal is to apply epidemiologic methods to develop evidence-based policies and community focused interventions that improve long term health outcomes and advance population health.
Research Interests
- Chronic Disease
- Social and structural determinants of health
- Health Policy
- Program Evaluation
- Community Health
- Environmental Health
- Global Health

Tameir Holder
- 2020
I have been engaged in public health research and practice for over 15 years. My professional background is largely based within the non-profit sector, where I remain engaged in research pertaining to health services, comparative effectiveness, and patient-centered outcomes. Particularly, I have contributed to a range of studies that are designed to support medically underserved communities that traditionally have high rates of chronic conditions such as cardiovascular disease, diabetes, and cancer. This work involves collaborating with federally qualified health centers and safety-net hospitals, in New York and throughout the U.S., to understand barriers to care while examining intervention implementation and effectiveness.
Currently, I am exploring the intersection of care management and health policy. I plan to use mixed-methods approaches to ascertain how federal and state policies, evidence-based care models, and quality improvement initiatives impact health outcomes among patients with complex medical needs. My experience with program evaluation, data analysis, and project management will facilitate this endeavor. I earned a Bachelor of Arts in Psychology from Wesleyan University and completed a Master of Public Health degree in Epidemiology, with a certificate in Chronic Disease, at Columbia University, Mailman School of Public Health. My interests include choreographing, dancing, and creating pencil illustrations.
Research Interests
- Chronic Disease Management
- Quality Improvement
- Health Policy
- Care Models
- Implementation Science

Bijan Khaksari
- 2024
I am deeply interested in disease prevention, screening, and diagnosis, with a focus on improving implement strategies in these critical areas. My research spans from chronic diseases such as cardiovascular and cerebrovascular conditions, to oncology, pain management, and mental health. Over the past eight years, I have managed clinical research in both CRO and hospital settings, evaluating the risks, effectiveness, and outcomes of clinical products and interventions across diverse therapeutic areas. My work also involves assessing the safety and benefits of drugs and devices used in treating chronic diseases. Hence, I am particularly keen to explore how artificial intelligence can accelerate the development of novel therapeutics, bridging the gap from laboratory research to patient care. I hold an MPH in epidemiology from Columbia University's Mailman School of Public Health, a bachelor’s degree in psychology (Pre-Medicine Curriculum) from George Washington University, and a certificate in Artificial Intelligence: Healthcare from MIT. With have 10+ publications and conference presentations in diverse therapeutic areas, I am eager to contribute to advancements in public health and clinical practice. In my personal time, I enjoy practicing Tae Kwon Do, surfing, hiking, traveling, and trying new foods.
Research interests:
- Chronic Disease (cardiovascular, cerebrovascular)
- Oncology
- Mental Health + Global Mental Health
- Pain Management
- Artificial Intelligence Applications in Healthcare
- Disease Prevention
- Pharmacoepidemiology

Adwoa Nantwi
- 2024
Adwoa K. Nantwi serves as a research scientist within the Division of Family Health Services at the New Jersey Department of Health (NJDOH), where she is the manager and epidemiologist for the New Jersey Maternal Mortality Review Committee (MMRC) and the New Jersey Fetal-Infant Mortality Review (NJ-FIMR) Program. She obtained her Master of Public Health in Epidemiology from New York University's School of Global Public Health and a Bachelor of Science from The College of New Jersey. Adwoa's mission is to advance research and initiatives that drive equitable health outcomes across the life course for Black and Latinx people. Her hobbies include reading, watching basketball, being a puzzle/trivia master, and going to music concerts.
Research Interests
- Social Epidemiology
- Health Disparities
- Maternal and Child Health
- Substance Use Disorder
- Immigrant Health

Adarsh Ramakrishnan
- 2025
I am a DrPH candidate in the Epidemiology department. I received my BSA in Biology and certification in Computer Science from the University of Texas at Austin and my MPH in Epidemiology and certification in Applied Biostatistics from Columbia University’s Mailman School of Public Health. I currently work in the Transplant Quality and Patient Safety division at New York-Presbyterian Hospital, where I focus on ensuring compliance with national regulations, improving patient access to the transplant waitlist, and advancing post-transplant care for all the solid organ transplant programs under the Columbia University and Weill Cornell medical centers. I am also involved in transplant-related research efforts, such as those with the CURE team focusing on the epidemiological and clinical trends of kidney transplants. At Mailman, my research interests lie in understanding the mechanism through which social determinants of health shape access to and quality of cancer care in the US. Outside of my professional and academic endeavors, I enjoy rock climbing, Broadway shows, tennis, and live music.
Research Interests
- Social Determinants of Health
- Cancer Epidemiology
- Spatial Epidemiology
- Global Health

Kenneth Smith
- 2026
My research interests involve exploring the nuanced questions related to chronic disease treatment and screening strategies, how they vary across different metrics of socioeconomic status, and how those variations affect outcomes. I am especially interested in the use of large, comprehensive clinical datasets to explore these questions. I earned an MPH in Epidemiology with a concentration in Chronic Disease Epidemiology at the Mailman School of Public Health, and I earned a B.A in Biology with a specialization in Global Health Sciences from The University of Chicago. Currently, I work as a Data Analyst in Mount Sinai’s Cardiology Department. In this role, I collaborate with a team of clinicians and epidemiologists to identify and apply the best analytical techniques for research projects concerning interventional cardiovascular procedure outcomes. Ultimately, I hope to grow into a leader of research projects that aim to optimize chronic disease treatment strategies in socioeconomically vulnerable patient populations. In my free time I enjoy playing/watching tennis, exploring new neighborhoods in NYC, and spending time with friends and family.
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Brianna White
- 2024
My background spans various intersections of implementation and behavioral science, with a comprehensive focus on identifying and addressing barriers to childhood and adolescent vaccination dissemination and uptake. Hoping to build on this foundation, my primary area of interest is the integration of implementation science with emergency preparedness and response. Additional exposures and interests include understanding the impacts of social and structural determinants of infectious disease risk within vulnerable communities, innovative public health applications of artificial intelligence (i.e. machine learning and natural language processing), and the development of tailored digital health interventions and initiatives. I hold an MPH in Epidemiology and a bachelor’s degree in biology and chemistry, both earned from The University of Memphis.
Research Interests
- Infectious disease epidemiology
- Social and spatial epidemiology
- Implementation science
- Emergency preparedness and response
- Social and structural determinants













