This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Head of Product based in Greece. This is a senior product leadership opportunity for an experienced B2B SaaS product leader joining a fast-growing, AI-native technology business. You will own the product function end-to-end, from strategy and roadmap definition through execution and measurable business outcomes. As the first product leadership hire, you will establish product management practices, lead and develop a growing PM team, and shape how products are built and launched. You will work closely with Engineering, Design, Sales, Customer Success, the CTO, and founders to turn customer needs and market signals into product priorities. The role combines strategic leadership with hands-on execution, requiring someone who can set direction while remaining close to delivery. The position is remote and requires availability aligned with US Eastern Time working hours.