Rebeca Grynspan, a Costa Rican economist and former Vice President of Costa Rica, is a globally recognized leader in economic policy, diplomacy and multilateral cooperation. With decades of service in international institutions and the United Nations system, she is an influential voice on trade and human development. Prior to joining the United Nations, Rebeca Grynspan’s public service career began in Costa Rica, where she was elected Vice President (1994–1998) and held key cabinet positions as Minister of Housing, Minister Coordinator of Economic and Social Affairs, and Deputy Finance Minister. In September 2021, Ms. Grynspan was appointed Secretary-General of the United Nations Conference on Trade and Development (UNCTAD), becoming the first woman to head the organization in its 60-year history. In August 2025, the UN General Assembly renewed her mandate, acknowledging her role in reforming UNCTAD and enhancing the institution’s role as a global voice for trade and economic development. As Secretary-General of UNCTAD, Grynspan has been at the centre of critical negotiations to address global trade and development challenges.