Eleni Kostarelou joined REBORRN in 2025 as an Engagement Manager, bringing 12+ years of experience in advertising agencies. She offers full 360° strategic communications expertise, built across different types of agencies and a wide range of industries.
She has led strategic projects and omni-channel campaigns for international clients including Visa, Mondelez International, L’Oréal, FrieslandCampina and Stellantis. Before REBORRN, she was a Group Account Director at Publicis Groupe in Athens, collaborating with teams across the network. Consulting came as a natural next step, allowing her to draw on her communications background and business understanding to solve complex client challenges where creative thinking and sharp strategy meet.
Curious, a fast learner and a natural team builder, Eleni is always ready to take on a challenge. Her multi-faceted background includes a Bachelor in Marketing and a Diploma in Composition and Musical Theory.
