Greg Kuzmak joined The Rockefeller Foundation in May 2020 and serves as a Director within the Health Initiative, leading the Climate and Health Financing Initiative, as well as digital health partnerships. Previously, he managed grant portfolios within the Precision Public Health Initiative and the Global Vaccination Initiative to support proliferation and utilization of digital technologies that improve health service delivery, and ultimately health outcomes.

Greg has also previously managed health initiatives and worked with the South African Ministry of Health, the Commonwealth Fund, Clinton Health Access Initiative, Johnson & Johnson Global Public Health, and ICAP at Columbia University's Mailman School of Public Health. In South America and Sub-Saharan Africa, Greg has managed and facilitated multi-million-dollar U.S. government-funded health and economic development programs that sought to improve livelihoods and reduce mortality.