Claus Welther is an experienced professional in online marketing and e-commerce development, currently serving as the Director of Online Marketing & E-Commerce Development at ROLLER GmbH & Co. KG since June 2011. With a strong focus on profit-driven marketing strategies, Claus has extensive expertise in multi-channel tracking, customer journey attribution, and various digital marketing techniques including SEO, SEA, and real-time prediction engines. Claus also contributes as a freelance Marketing Technology Evangelist and holds a membership at Energiegewinner eG since December 2018. Previous experience includes leadership roles in digital business at DocMorris and international performance marketing at Venista Ventures GmbH, along with project management at Publicis Pixelpark. Claus holds a Bachelor of Arts in Management, Marketing, and Media from Open University London and a Diplom in Management, Marketing, and Media from the University of Corporate Education Heidenheim.