Marijke  is the Head of the Strategy, Investment and Impact Division at the Global Fund since January 2023. She has also served as Chief of Staff at the Global Fund from 2013 to 2022. During that time, she also served as interim Executive Director from June 2017 to February 2018, as interim Head of Human Resources from September 2021 to February 2022, and as interim Head of the Strategy, Investment and Impact Division from April to December 2022.  As head of the Strategy, Investment and Impact Division, Wijnroks oversees four departments: Access to Funding; Health Finance; Community, Rights and Gender; and Technical Assistance and Partnerships. She also manages the Catalytic Investments Office and is Chair of the Grants Approval Committee. With over 30 years of experience in global health and development, Wijnroks began her career as a field doctor with Médecins Sans Frontières in Sudan. She spent five years in El Salvador as a technical adviser developing health systems for the Pan American Health Organization (PAHO/WHO) and two years as a project manager with Helen Keller International in Bangladesh, focusing on maternal and child health. At the Dutch Ministry of Foreign Affairs, Wijnroks served as Ambassador for HIV and AIDS and Deputy Director of the Social Development Department, overseeing policy and strategy development in HIV and AIDS, sexual and reproductive health and rights, gender, education and civil society. Before joining the Global Fund, Wijnroks served one term on the Global Fund Board as a Board Member and two terms as an alternate Board Member, as well as for two years as Vice Chair of the Board’s Ethics Committee.  Wijnroks earned a medical degree from Maastricht University and a degree in tropical health and medicine from the Institute for Tropical Medicine in Antwerp.