
Eleftherios Kousakis is a commercial leader with a strong track record in scaling technology-driven businesses across Europe. Before joining Mastercard, he built and expanded multiple startup operations,gaining firsthand experience in go‑to‑market strategy, customer acquisition, and data‑centric growth.
Across five years at Mastercard, Eleftherios has specialized in user experience optimization, personalization, and AI‑enabled decisioning—fields that have shaped his reputation as an expert in transforming customer journeys and unlocking digital value for enterprise clients.
In his current role overseeing the Fintech core business in Germany and Austria, he combines his entrepreneurial background with his deep expertise in analytics and digital product strategy. This enableshim to support Fintech innovators with solutions that drive sustainable growth, superior user experiences, and better commercial outcomes.