Nana Amma Twum-Danso

Nana Amma Twum-Danso

Founder of MAZA

2016 Global Fellow

MAZA’s mission is to provide transportation for urgent health care needs in remote areas of Ghana that is safe, accessible, affordable, and reliable, while also creating income-generating opportunities for drivers, traders, and farmers. Through a network of multipurpose motorized tricycles and drivers at the community level that is powered by mobile technology, MAZA enables rural families to access health care in a timely manner during an urgent health crisis so that their chances of survival are improved. MAZA works in close collaboration with rural communities, local governments, the Ghana Health Service, and the Ghana Ambulance Service to achieve its aims.


Nana Twum-Danso is a public health and preventive medicine physician who is zealous about finding systematic solutions to complex problems. She has more than 15 years of experience in public health policy, strategy, program design, implementation, monitoring, evaluation, and research at the local, national, and global levels. Nana is the founder and chief executive officer of MAZA, a social enterprise that is establishing a transportation network to increase access to urgent health care in rural Ghana. Before MAZA, Nana was a senior program officer for maternal and child health at the Bill & Melinda Gates Foundation and the director of the Fives Alive! project, a nationwide quality improvement initiative that partnered the Institute for Healthcare Improvement with the two largest health service providers in Ghana to reduce child mortality. Nana received her undergraduate and medical education from Harvard University and her public health and preventive medicine training from Emory University. She is a Fellow of the American College of Preventive Medicine and an adjunct assistant professor at the University of North Carolina at Chapel Hill.