2021-2022 Visiting Scholars

These individuals, who are national and global leaders, are passionate about primary healthcare, community health, health equity and advocacy. We are happy to have them join our community for this academic year to promote and advance their work, and share with us their expertise and knowledge.

Each scholar will design, conduct, and present research, and will publish at least one academic manuscript in a peer-review journal. In addition, these scholars will engage with our community through mentorship of students and trainees, webinars to share their work, and explore opportunities for collaboration with HMS faculty.


Ghazanfar (Sunny) Khan, MBChB (Hons), MRCGP

Ghazanfar Khan HeadshotDr. Khan is a UK-based primary care physician and global health professional with expertise in health systems and primary health care. In particular, he has a keen interest in the role of emerging technologies and urban design to improve population health.

Since 2016, he has led several projects for the World Health Organization (WHO) on strengthening primary healthcare, working with a range of international organizations and global stakeholders. Most recently, he has led an innovative WHO global knowledge platform for cross country learning on the COVID-19 response. In addition to his global health role, he is the Head of Clinical Strategy for a UK digital health company aiming to improve the diagnosis of rare diseases using novel algorithms in primary care.

Dr. Khan obtained his medical degree with honors from the University of Leeds in 2010 and is a Member of the Royal College of General Practitioners. In 2021, he was appointed as a Specialist Advisor for the UK’s Design Council on the interface of public health and urban design. He is the final stages of completing an MSc in Public Health from the London School of Tropical Hygiene, with a thesis on the role of AI applications in skin cancer diagnosis.


Liana Leung, MD, MPH, FACP

Leung Portrait Photo Actual SizeLiana Leung, MD, MPH, FACP is the Associate Chief Medical Officer and Senior Vice President of Clinical Operations at Rendr Care Physicians, a multi-specialty group which serves almost 100,000 underserved patients in New York City. She was the former Chief Medical Officer of Ryan Health.

A board-certified general internist, she was the Medical Director of the New York Hospital Queens Ambulatory Care Center and the Associate Director of the Department of Ambulatory Care and an Associate Program Director of the Internal Medicine Residency Program at NYC H+H/Queens.

Dr. Leung graduated from Yale College, achieved a Master of Public Health from Columbia University, and completed medical school at Cornell University. She completed internal medicine residency at the New York-Presbyterian Hospital/Weill Cornell Medical Center.

A past President of the Medical Society of the County of Queens in New York City, she is now a member of its Board of Trustees.

Nnamdi Stephen Moeteke, MBBS, MWACP

nnamdi headshotNnamdi is a Public Health Physician with a passion for mobilizing rural communities for health and development. He is a graduate of the University of Nigeria where he co-founded and later became President of Medix Frontiers, a non-profit humanitarian organization that combats the spread of HIV among youths, promotes health and provides medical care in schools and medically underserved areas in eastern Nigeria. In the course of his Community Health residency at the Delta State University Teaching Hospital, and volunteer roles such as Development Knowledge Facilitator for the National Youth Service Corps - SDGs Advocacy Project under the Presidency, WHO State Technical facilitator for National Immunization Days, and Clinical Case Manager in the Delta State COVID-19 Response Team, he has helped to set-up and strengthen primary healthcare in different localities in Nigeria.

Nnamdi is rounding off his studies for MPH in Management of Health Systems (University of Liverpool) on a Commonwealth Scholarship and has publications on health systems and primary healthcare.


Learn More About Program Alumni HERE.



Contact Us

To contact the Program in Global Primary Care and Social Change visiting scholars, or inquire about the visiting scholars program, email Ms. Deanna Belleny at Deanna_Belleny@hms.harvard.edu


Partner with Us

Are you interested in partnering with the Program in Global Primary Care and Social Change? Submit your information here or reach out to Deanna Belleny: Deanna_Belleny@hms.harvard.edu