Our Team
Our Executive Team
Dr Thierry NYATANYI
CEO and Founder
Dr. Thierry Nyatanyi is a global health leader with over 18 years of experience advancing health systems, epidemic preparedness, and public-private partnerships across Africa. As Founder and CEO of Global Health Shield, he leads efforts to build resilient, locally driven, and globally aligned health systems.
Dr Roger DIA
Regional Director, West Africa
Dr. Roger Charles DIA is a public health expert with over 15 years of experience. As West Africa Director at Global Health Shield, he drives regional collaboration and sustainable impact in partnership with governments and global health stakeholders.
Our Advisory Team
Dr Kate Tulenko
Dr. Kate Tulenko is a globally recognized health systems and health workforce expert and the founder and CEO of Corvus Health, a health workforce firm that offers scalable services from education to employment and Appleseed Education, an EdTech platform to digitalize, expand, and improve health professional schools.
Dr Djénéba Ouattara
Dr. Djénéba Ouattara is a distinguished Ivorian pharmacist and public health expert, widely recognized for her strategic leadership in health policy development, sustainable financing, and multisectoral governance of health systems. With over 15 years of experience spanning national coordination and international consultancy.
Profesor William Bazeyo
Professor William Bazeyo is a renowned Ugandan physician, academic, and medical researcher with over 28 years of impactful service in public health, health systems strengthening, and academic leadership. He is a retired Professor of Occupational Medicine at Makerere University and an active advocate for sustainable farming.
Dr Peter Mmbuji
Dr. Peter Mmbuji is a physician and public health specialist who worked with the Tanzania Ministry of Health for over 30 years, contributing significantly to health systems strengthening across various key departments, including policy and planning, medical services, preventive health and promotion, and operational research.
Prof. Omer T. Njajou
Prof. Omer T. Njajou, PhD, DSc, is a seasoned public health expert and epidemiologist with over two decades of experience in global health, One Health, and health systems strengthening. He brings to Global Health Shield (GHS) an exceptional track record of leadership in epidemic preparedness, surveillance, and policy advisory across Africa, Europe, and the United States.