Lefteris Grammatas (he/him) is a data-driven strategy and operations leader with over 17 years of experience shaping customer experience, digital transformation, and product innovation in the life sciences sector. He currently serves as Associate Director of Digital Strategy & Customer Experience for HIV Marketing at Gilead Sciences, where he enables brands to deliver impactful, compliant, and patient-centered omnichannel experiences. Lefteris’ career spans leadership roles in digital health product strategy, commercial content, and omnichannel marketing across organizations including Veeva Systems, Slalom, and Sitecore. As the founder of Polreo, an AI-driven content workflow platform for life sciences, he pioneered agentic content orchestration designed to accelerate time-to-market while ensuring regulatory compliance. His work has consistently bridged cutting-edge technology with business needs, from developing next-best-experience accelerators to leading AI/GenAI service offerings and scaling global go-to-market strategies. Known for his ability to integrate systems, data, people, and processes into cohesive strategies, Lefteris has deep expertise in regulated environments, particularly FDA and EU compliance frameworks. His leadership style emphasizes inclusion, cross-functional collaboration, and measurable impact, enabling high-performing teams to thrive in complex, fast-evolving industries.