Joseph Nwadiuko MD, MPH @jnwadiuko

Co-Founder/ Executive Director

Joseph Nwadiuko is a Nigerian-American Resident in Internal Medicine at the Johns Hopkins Bayview Medical Center. He has worked in 7 countries in Africa, Asia, and Latin America, including surgical missions in Nigeria and Bolivia and at a drug rehab center in North India. Previously, he worked in outreach at the Hunger Project, and has been conducting research on diaspora health professionals for the past 3 years. He completed his MD at University of Pittsburgh, his MPH at Johns Hopkins (focusing on health systems in low and middle income countries) and his BA in History from Amherst College in Massachusetts. He speaks Spanish (professional level) and French (intermediate), and might be able to squeak by to a hot meal in Hassiniyan Arabic.


Neeraja Nagarajan MD, MPH @dr_jaja

Director of Research

Dr. Nagarajan is a physician and aspiring surgeon trained in India. Her interest in assessing the burden of surgical conditions in LMICs, as well as strategies to increase access to surgical care, brought her to Johns Hopkins where she completed an MPH. She currently continues her training as a Post Doc Fellow in Surgery at Hopkins where she studies disparities and surgical outcomes. She spends most of her down time talking about feminism, public health and current affairs or dreaming about home, food and travel.

ranjit copy.jpg

Anju Ranjit  MD, MPH @anjuranjit

Program Director

Dr. Ranjit is a physician from Nepal. She received an MPH from the Johns Hopkins Bloomberg School of Public Health and was a Sommer Scholar focusing on women’s and reproductive health. Previously, she worked for two years as a medical officer and medical superintendent at a government district hospital in Syangja, Nepal.  She is trained as an advanced skilled birth attendant to provide and manage emergency obstetric care services. She has served with the Elizabeth Glaser Pediatrics AIDS Foundation; Maiti Nepal, an anti-human trafficking NGO; and Project for a Village, an NGO building self-sustainable communities in Nepal. During her time at Johns Hopkins she helped conduct a pilot surgical epidemiology survey in Pokhara, Nepal in cooperation with Surgeons Overseas and is currently conducting a full country survey with SOS.  Dr. Ranjit has also pioneered the "TEJ Initiative" with Project for a Village, geared towards providing leadership training for young girls in Nepal. Her professional interests include: surgical outcomes research for women, cervical cancer, and advocacy for better healthcare and education for women in low and middle-income countries.

Varshini Varadaraj MD, MPH @VarshiniV15

Director of Education

Dr. Varadaraj is an ophthalmologist from India. She received her medical and ophthalmology training from Sri Ramachandra University, Chennai. An interest in working towards finding solutions to deeper systemic issues and inequity in eye care led her to pursuing a Masters in Public health (MPH) at Johns Hopkins Bloomberg school of Public Health where she concentrated in the field of Epidemiology and Biostatistics. She is currently a postdoctoral research fellow working at the Dana Center for Preventive Ophthalmology and glaucoma divisions of the Wilmer Eye Institute at Johns Hopkins, applying her skills in clinical ophthalmology and research methods. Her research interests include health services research, access to eye care services in underserved communities, and diaspora led building of research capacity in India and other LMICs.







Chizoba Wonodi MBBS, DrPH Co-Founder/Nigeria Country Leader


Dr. Wonodi is a medical epidemiologist and faculty with the International Vaccine Access Centre (IVAC) of the Johns Hopkins School of Public Health. She currently leads IVAC's Nigeria Programs, focusing on generating evidence to inform vaccine policies and programs and strengthening data and health information systems to improve performance management and accountability. Dr. Wonodi holds a medical degree from the University of Benin, Nigeria and a masters and doctorate in Public Health from the Johns Hopkins School of Public Health. She has had extensive experience in primary health care delivery in Nigeria and in disease surveillance in several countries in Africa and Asia. Before joining Hopkins, she was a Medical Officer of Health in the Rivers State (of Nigeria) Ministry of Health and the program director for Youth Profile, an NGO she co-founded.  She is a Gates Institute Scholar, a Caroline Cochrane Scholar and a Population Reference Bureau fellow.



Sutter poster cropped 1.JPG




Cathryn Christensen MD, MPH Co-Founder

Dr. Christensen is a Family Physician and is the Burundi Clinical Programs Director of Village Health Works. She completed her medical training at Harvard Medical School and the Santa Rosa-USCF Family Medicine Residency, where she served as chief resident. She is also credentialed by the American Academy of HIV Medicine. She is a graduate of the MPH Program at the Johns Hopkins Bloomberg School of Public Health, where she was a Sommer Scholar and member of the Delta Omega Alpha honorary society. Her clinical and public health work focuses on community-based care models in the United States, Latin America, and Africa. Recent research with Village Health Works in Burundi has explored post-conflict reconciliation and healthcare delivery. She serves as medical advisor to ConnectHealth, an adherence support system based in Swaziland, Lesotho, and South Africa.

Peter Luckow, MPH Co-Founder

Peter Luckow is the Strategic Advisor at Last Mile Health and an MD Candidate at the Dartmouth Giesel School of Medicine. Peter co-founded and serves on the Board of Directors of GlobeMed, a national network of university students advancing the movement for global health equity now with 55 chapters across the country. He has also worked with Partners In Health and the Division of Global Health Equity at the Brigham and Women’s Hospital. Peter graduated from Northwestern University with a BA in Anthropology and from Johns Hopkins with a Masters in Public Health. He is an Echoing Green Fellow, a Forbes 30 Under 30 Social Entrepreneur, and an Ashoka / American Express Emerging Innovator. He is also a member of the Deru Senior Honorary Leadership Society at Northwestern University.

Mutsa Nyakabau, MD, MPH Co-Founder

Mutsa Nyakabau is a Zimbabwean born pediatric resident at Geisinger Hospital in Pennsylvania. He is a graduate of thethe combined Georgetown/Johns Hopkins M.D./M.P.H. program. He is currently a board member for HatchHope for Humanity, a non-profit whose work is currently focused at alleviating healthcare concerns in underserved populations in Bangladesh. He is an active member of the African Organisation for Research and Training in Cancer and Co-Director of Touch Oncology, Zimbabwe. 

Titilope Odeyebo MD, MPH Co-Founder

Dr. Odeyebo is a Nigerian physician living in the diaspora currently working as an officer in the Epidemic Intelligence Service of the US Centers for Disease Control and Prevention. She received her M.D from Yale University School of Medicine and earned her Obstetrics and Gynaecology training at the integrated program of Brigham and Women's Hospital/Massachusetts General Hospital. She holds an MPH from Johns Hopkins Bloomberg School of Public Health, and is a member of the Delta Omega Alpha Honorary Society. She is committed to finding diverse and collaborative ways to engage health professionals in the diaspora to strengthen to the healthcare system in their home countries.

Sachiko Ozawa.JPG

Sachiko Ozawa, MHS, PhD

Sachiko Ozawa is an Assistant Scientist in the Health Systems Program of the International Health Department at Johns Hopkins Bloomberg School of Public Health. She holds a MHS and PhD in Health Systems and Health Economics from the school. Dr. Ozawa is a health economist who works on improving the health systems of low and middle income countries. She brings with her experience in primary data collection in mixed methods on health systems issues. Her current research focuses on examining the value of vaccines, reducing the financial risks of illness, examining the role of trust and social capital in healthcare systems.