Vaia is a consultant on energy matters based in Athens. She studied law at the University of Thessaloniki and obtained two LL.Ms, one in Business and Economic Law and  the second in Public Law and Political Sciences from Democritus University. She is also a PhD candidate focusing on Competition Law.

Vaia has served in several key positions within the energy sector, including as Director of Legal and Regulatory Affairs of the Hellenic Energy Exchange S.A. and the Energy Clearing House S.A., Director of Legal and Regulatory Affairs of the Regional Security Coordinator (RSC), legal counsel of ADMIE (IPTO) Holding S.A., legal advisor of the Minister of Environment and Energy, and consultant of the World Bank.

Vaia has been a practicing lawyer for fifteen years, and has an established, in-depth knowledge of the European and Greek legislative and regulatory framework of the energy sector. She has advised on numerous energy and energy-sector regulatory matters, including renewable electricity, and oil and gas.