Vaggelis is a certified Housing First Trainer through the Housing First Europe Hub and serves as a specialist at Emfasis non-profit, an NGO representing FEANTSA. His background involves implementing the Housing First model to address homelessness across Greece by prioritising immediate access to permanent housing with tailored support services. He designs and delivers specialised training programmes for practitioners across Greece to ensure high-fidelity model adherence. His experience bridges direct field intervention with systemic advocacy and he focuses on scaling evidence-based solutions through the Housing First Europe Hub partnership to end chronic homelessness.