About Us

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Zoey Diaz, MSc,

Founder and Managing Director

Zoey Diaz has over a decade of Global Health experience, with a wide ranging skillset covering late stage development, regulatory pathways, health policy and finance, disease surveillance and intervention implementation planning and evaluation. She has worked in several disease areas and disciplines spanning bacterial and viral infections, including enteric and diarheal diseases, flaviviruses, vaccine research and development, the evidence to policy landscape and implementation.

Zoey brings a wealth of experience working with the Bill & Melinda Gates Foundation where she managed a grant portfolio totaling over $100m USD. She brings a particular knack for building connections with diverse partner networks and has extensive experience working with global multilateral institutions, country offices, multi-national and developing country drug manufacturers, world class research institutions and local governments and NGOs.

She has also spent part of her career focused on identifying opportunities for increased public-private partnerships focused on undernutrition in developing countries and working more generally with global non-profit institutions on strategy and business development. Zoey has a bachelor’s degree in Political Science from the University of Washington and completed her Masters in Health Policy, Planning and Finance from the London School of Economics and London School of Hygiene & Tropical Medicine.

Learn more about Zoey here.


Stefanie Tan, PhD,

Senior Consultant

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Stefanie Tan is a Senior Research Consultant based in Toronto, Canada. She specialises in health financing policy. She is an honorary Research Fellow at the London School of Hygiene and Tropical Medicine (LSHTM). Previous to this, she was a Research Fellow in the Policy Innovation Research Unit at the LSHTM. Her most recent projects focused on Social Impact Bonds, a novel variant of pay for performance funding using outcomes-based contracting, and incentives for innovation in the biopharma sector to combat antimicrobial resistance (AMR). She has also worked in the WHO's Department of Health Financing Policy and in the non-profit sector overseeing community development and health promotion projects.


She holds a PhD from LSHTM, an MSc in Health Policy, Planning and Financing from the LSE and LSHTM, and a BA in International Development and Anthropology from McGill University, Her doctoral thesis focused on the impact of pay for performance contracts on provider behaviour in non-profit organisations.

Learn more about Stefanie here.

Coming soon: Collaborators/Partners