David Marsán Porras

David Marsán Porras is a seasoned marketing analyst with extensive experience in competitive intelligence and data-driven marketing initiatives. Currently serving as a Senior Marketing Analyst at Kleinanzeigen since September 2025, David specializes in developing marketing data models and presenting insights to C-level executives. Prior to this, David was a Global Marketing Analyst at Adevinta, focusing on consolidating multi-vendor datasets and redesigning brand tracking methodologies. David's career began at eBay, where significant contributions included managing global marketing analytics, optimizing SEO and paid digital strategies, and overseeing the Net Promoter Score process. Additionally, David has a strong technical background with roles in web development, having worked in LAMP environments and developing various applications for companies such as elEconomista and Novabase. David holds a degree in Computer Science Engineering from Universidad Autónoma de Madrid.