Since January 2017 Mark is the Head of BI & Analytics at DEINHANDY., the fastest growing eCommerce platform for mobile devices and contracts in Germany. As a digital analytics freelancer (datapriest.io) he's also supporting other companies and is blogging about hot topics in the martech area. His former role as a Senior Digital Analytics Consultant at LeROI gave him the opportunity, to become an expert in the areas "Digital Analytics", "Tag Management" and "Marketing Intelligence". Mark was an official Google Partner Trainer for Google Analytics and Google Tag Manager in Germany. During his past 50+ projects he learned a lot about different state of the art tools, helpful best practices and different business models. His passion for marketing and IT began with his "Business Information Systems" studies in cooperation with IBM 10 years ago.