Manuel Gonzalez Caballero

Manuel leads on the CoST Latin America strategy, identifying opportunities for CoST within the region and providing technical support and advice to the region’s country managers and multi-stakeholder groups. Manuel …

Aída Martínez Mórtola

Aída Martínez Mórtola is a lawyer who works as a Programme Manager at CoST, supporting the implementation of projects focused on transparency, accountability, and data use in infrastructure, including the …

Christiaan (Chrik) Poortman

Chrik previously chaired the CoST Board from 2011 to 2025. In addition to his role with CoST, he was Senior Adviser at Transparency International, the global coalition against corruption. Until 2010, Chrik …

Melina San Martín

Melina is Lead Programme Manager, where she oversees programme implementation and strategic planning, leading on monitoring and evaluation to ensure high-quality programming and measurable impact across CoST members and global …

G20 working to close the infrastructure financing gap

CoST Executive Director Petter Matthews reports from a recent ‘Infrastructure Financing Seminar’ organised by the G20 Infrastructure Working Group1 and reflects on the challenges of mobilising private investment in public …