Faculty Directory
Our faculty are world-renowned experts, and trusted advisers to our students, public health leaders, and the public.
![Tanjala Purnell Tanjala Purnell](/sites/default/files/styles/people_card_360/public/images/3109.jpg?h=589f4bad&itok=JFXbW_Qm)
Tanjala S. Purnell, PhD '12, MPH, uses epidemiology and health services research to advance equity in transplantation and related conditions, including kidney diseases, hypertension, and diabetes.
![Lesliam Quirós-Alcalá Lesliam Quirós-Alcalá](/sites/default/files/styles/people_card_360/public/images/3864.jpg?h=3e23b8fd&itok=0sTB5vJK)
Lesliam Quirós-Alcalá, PhD, MSc, applies exposure science and environmental epidemiology to study chemical exposures’ health effects in underrepresented populations.
![Farah Qureshi Farah Qureshi](/sites/default/files/styles/people_card_360/public/images/4364.jpg?h=9069cf41&itok=Tp0U8Nhe)
Farah Qureshi, ScD, MHS '10, is a social epidemiologist who studies the early life origins of cardiovascular health disparities.
![Radhika Raghunathan Radhika Raghunathan](/sites/default/files/styles/people_card_360/public/images/4377.jpg?h=e0eb5ea2&itok=eNjjIGw7)
Radhika Raghunathan, MSPH '16, PhD '20, examines multilevel and longitudinal processes influencing children’s social, emotional, and behavioral well-being, and antecedents of mental health disorders.
![Krithika Rajaram Krithika Rajaram](/sites/default/files/styles/people_card_360/public/images/4081.jpg?h=757f6faf&itok=9TOIVuOv)
Krithika Rajaram, PhD, builds and implements genetic tools to study the biology of a unique organelle in human malaria parasites called the apicoplast.
![Gurumurthy Ramachandran Gurumurthy Ramachandran](/sites/default/files/styles/people_card_360/public/images/3348.jpg?h=b1f482cc&itok=LLwWP2J8)
Gurumurthy Ramachandran, PhD, MS, conducts research focused on developing effective and accurate methods to assess health-related human exposure in occupational and non-occupational settings.
![Astha Ramaiya Astha Ramaiya](/sites/default/files/styles/people_card_360/public/images/3883.jpg?h=9dc95b1d&itok=2HbI9bPY)
Astha Ramaiya, DrPH, is a scientist who studies the role of gender norms on violence trajectories among adolescents in LMICs.
![Amrita Rao Amrita Rao](/sites/default/files/styles/people_card_360/public/images/4433.jpg?h=b9d22d3e&itok=JHi2isFA)
Amrita Rao, PhD ’22, ScM '16, works to understand and address the HIV prevention and treatment needs of historically marginalized populations, including sexual and gender minorities and female sex workers.
![Krishna Rao Krishna Rao](/sites/default/files/styles/people_card_360/public/images/1647.jpg?h=16b768a2&itok=67mxM6nI)
Krishna D. Rao, PhD '04, MSc, finds ways to improve access to quality health services and financing of health care in low and middle-income countries.
![Debashree Ray Debashree Ray](/sites/default/files/styles/people_card_360/public/images/3556.jpg?h=6f218d01&itok=rOqyrN58)
Debashree Ray, PhD, MStat, develops statistical methods to analyze human genetics data such as determinants of Type 2 diabetes, cardiovascular disease, and orofacial clefts.
![](/sites/default/files/styles/people_card_360/public/2024-02/headshot.jpg?h=59185109&itok=a3NFtsvY)
Vito W. Rebecca, PhD, is a translational molecular biologist who investigates how tumor cells metastasize and escape targeted and immune-therapy, with a focus on acral lentiginous melanoma.
![George Rebok George Rebok](/sites/default/files/styles/people_card_360/public/images/567.jpg?h=56226b16&itok=29cBqlXm)
George Rebok, PhD, MA, is a life-span developmental psychologist who develops community-based interventions to prevent age-related cognitive decline and reduce dementia risk.