Call to Action

Andrea Pregel is the Global Technical Lead for Inclusive Health at Sightsavers. His work focuses on embedding disability inclusion within health systems across sub-Saharan Africa and South Asia – and he is responsible for providing strategic and technical leadership across a diverse portfolio of programmes aimed at advancing health equity for people with disabilities. He serves as a Commissioner for the Lancet Commission on Disability and Health, and leads Sightsavers’ engagement with key global platforms and networks, including the Partnership for Maternal, Newborn and Child Health (PMNCH), the IBP Network, and the WHO technical working group for the development of Global Competency Standards for Health Workers on Disability Inclusion. He previously co-chaired the Inclusive Health Task Group of the International Disability and Development Consortium (IDDC). With over 15 years of experience across Asia, Africa, and Europe, Andrea has expertise in in disability inclusion, health equity, and global development—grounded in a commitment to learning from lived experiences and amplifying the voices of people with disabilities and other marginalised communities.

John Paul Clark is an epidemiologist and health economist. He retired at the World Bank in May 2025 as Lead Health Advisor. His present focus is on climate resilient and epidemic ready primary health care in low-income countries. Dr. Clark has more than 35 years of experience in global public health in Africa, South, Central and East Asia. He has made numerous contributions to public health research, policy and practice in disease control for malaria, HIV/AIDS and NTDs, maternal and child health, and global health security. Prior to Joining the World Bank in 2006 he held senior positions at the World Health Organization in Geneva, USAID, Bureau for Africa and the US Department of Health and Human Services. Dr. Clark has advanced degrees in infectious disease epidemiology, international health systems, and health finance and management from Johns Hopkins University and social policy and planning from the London School of Economics and Political Science.

Ann currently serves as a Senior Health Systems Advisor at UNICEF and has had a career dedicated to the strengthening of primary healthcare systems. She has a Masters Degree in Public Health from the London School of Hygiene and Tropical Medicine. .

Dr Sarah Collinson is a Senior Policy Advisor at Sightsavers, co-coordinator of the IDDC Inclusive Health Task Group and co-chair of the GLAD Network’s Inclusive Health Working Group. Her work currently focuses on promoting health equity and strengthening the inclusion of persons with disabilities in health systems and services. Sarah has over thirty years’ experience of international policy analysis and influencing and an extensive portfolio of publications spanning diverse aspects of international social justice. She has held senior research and advocacy positions at Chatham House, ActionAid and the Humanitarian Policy Group at ODI, and associate academic positions at the universities of Oxford, Reading and Bristol.

As Director of Primary Health Care, Tracey McNeill leads the team that builds on the foundation’s and field’s deep experience in health systems strengthening. This includes health financing, system design, and service delivery innovation, aiming to dramatically improve the efficiency, quality, and equity of primary health care to improve impact. Previously, Tracey was vice president of Global Clinical Governance and Quality and chief mobilization officer at Babylon Healthcare and CEO of its digital health subsidiary in Rwanda, Babyl Rwanda. At Babylon Healthcare, Tracey worked with global regulators and policymakers to ensure delivery of high-quality primary health care services through virtual consultations across the UK and internationally. At Babyl Rwanda, she partnered with the government of Rwanda and stakeholders to roll out the digital health service as a part of the government’s universal health coverage scheme. Tracey also served as the senior vice president and commercial director at Marie Stopes International, where she collaborated with a diverse set of country leadership teams to expand the organization’s international programs in hard-to-reach areas. Tracey holds a post-graduate qualification in Occupational Health from The RCN London and a certification as a registered nurse from The Royal Free Hospital.

Dr Muheki serves as the Primary Health Care Director at AMREF Health Africa, where she provides technical expertise to enhance the implementation of the Primary Health Care model across multiple African countries. She oversees national and sub-national technical support to partner countries, ensuring effective and sustainable health systems strengthening. Dr Charlotte Muheki’s research focuses on universal health coverage, health expenditure reviews, and developing health financing strategies. She has conducted several disease-specific studies in HIV/AIDS, malaria, immunisation, and maternal health, and provides technical support to health ministries across several countries around the world.

As Executive Director of the World Stroke Organization, Mia Fredin Grupper has over a decade of stroke leadership experience, steering the organization's high profile advocacy, education, and awareness initiatives. At the forefront of WSO's strategic development and program implementation, Mia has grown and strengthened organizational capacity and partnerships focused on achieving access to quality stroke care for all. During her WSO tenure Mia has established and nurtured collaborative partnerships with the UN/WHO and other key stakeholders to ensure that vital components of prevention, treatment, and survivor support are integrated into global health policy and discourse. From her agency-based medical and global health communication and advocacy including work for the Bill and Melinda Gates Foundation, to shaping the strategic direction of numerous international health and scientific associations in the neurology domain, Mia's commitment to global health and her strategic acumen have left a legacy in an impressive number of healthcare organizations. Mia holds dual Bachelor’s degrees in Business Administration and Social Sciences from the University of Lund, Sweden, and an Executive Master’s in International Advocacy and Policy Making from the Graduate Institute in Geneva, Switzerland.

Mariam Jashi is a senior policymaker with 26 years of experience in Global Health, Sustainable Development and Innovative Financing across 27 countries of Europe, Asia, Africa and Middle East. She has led high-level advocacy, fundraising, and management of large-scale humanitarian and development programmes with UN, Government and Public-Private Partnerships.

With 15+ years of experience shaping public health policies, Thiago currently serves as Head of Public Policy and Analysis at Gavi, the Vaccine Alliance, where he leads strategic efforts to advance equitable access to vaccines in low income countries. His team drives high-impact policy analysis and advocacy that informs decision-making at the highest levels. Thiago holds a PhD in International Relations from the Graduate Institute in Geneva, where his research focused on children’s right to essential health services. Across roles in multilateral organizations and NGOs, his work is anchored in the belief that policy and advocacy are fundamental to address inequities and create lasting change.

Dr. Kimberly Green is PATH’s Global Director for Primary Health Care (PHC) overseeing people- centered systems and service delivery in 34 countries. She has thirty years’ experience focused on health service delivery integration and innovation and is passionate about advancing health care through decentralization, task-shifting and community-leadership; market-based approaches; telemedicine and other digital tools; self-care approaches such as self-testing; and innovative health financing. Through her career she has partnered with governments, community and private sector in Africa, Asia, Eastern Europe and Latin America to advance PHC innovations and reforms including related to infectious and noncommunicable diseases, and health promotion. She holds a Master’s Degree in International Health and Development from The George Washington University in Washington, DC, a PhD from the London School of Hygiene and Tropical Medicine, and is Clinical Associate Professor at the University of Washington Department for Global Health. She is also an advisor to the International PHC Institute in Ethiopia and Deputy Editor for the Journal of the International AIDS Society. Dr Green was recently confirmed a Commissioner for the Lancet Global Health Commission on People-centered Care for Universal Health Coverage (UHC), as a member of the WHO Global Validation Advisory Committee for the elimination of mother-to-child transmission of HIV, syphilis and hepatitis B virus and elimination of viral hepatitis B and C as a public health problem, and as a member of the UHC-focused Thai Princess Mahidol Award Conference. She has extensively published in peer review journals, presented as part of abstract-driven conferences and is frequently engaged by WHO as a member of guideline development groups or expert commissions.

Elizabeth is driven to deliver value, impact, and vision. She aims to lead by cultivating a culture of kindness, connection, grit, integrity and innovation. She has embedded self reflection in my day to ensure her curiosity is not at a cost of inefficiency and in line with local municipalities’, local communities‘ and organizational priorities. Elizabeth seeks opportunities to challenge herself and others implementing sustainable innovative initiatives to improve and transform population health and address health inequities, and play her part in building a better, more equitable world.