Vaia is a graduate of the École Supérieure de Commerce in Rouen, and trained in urban planning and environment at the CNAM and in EU external relations at the Université Libre of Brussels. She represented French Polynesia at the European Union from 2005 to 2010. Vaia has been involved in sustainable development for over 20 years and has contributed to a number of projects and working groups on the subject of the SDGs with NGOs, on the regenerative economy for an AFNOR SPEC with pioneering companies and local authorities, collaborated on systemic diagnosis with L'entreprise symbiotique, and carried out studies for GIPs and strengthening platforms in the international cooperation and solidarity sector. She knows Climate Chance inside out, and was one of its founding members. She joined the association in July 2025 as Managing Director.