Marta Guglielmetti serves as Executive Director of the Global Solidarity Fund (GSF), which she contributed significantly to creating. At the direction of the Board Chair and in consultation with the Advisory Board Chair, she leads the Board of Directors in developing a vision and strategic plan to guide the organization, oversees all its activities, and manages relationships with external partners and other stakeholders.

Previously, Marta held different senior positions, when working for the United Nations (UN) in different agencies. At the World Health Organization (WHO) she worked for the Director-General's Office in the Strategic Engagement Unit, managing the organization’s relations with selected European governments. Leading several programs to prevent major causes of noncommunicable diseases in a number of African countries, she engaged closely with African and European governments, philanthropies, and other global health stakeholders. At the United Nations Development Programme (UNDP), Marta was responsible for special initiatives on the Millennium Development Goals and the post-2015 debate, working in Rome, Brussels, and Quito. Marta also worked for the Bill & Melinda Gates Foundation in London, leading external and government relations with Italy and the Holy See, liaising with international organizations, public/private partnerships, Catholic institutions, and international NGOs. She started her career at the European Parliament in Brussels and has also worked in an international NGO and a private company.

Marta has lived in several European countries (Italy, France, Germany, Belgium, the UK and Switzerland), and speaks English, French, German and Italian.