Julian learned the ropes of Digital Marketing in different startups he co-founded and quickly became fascinated with how data could influence his marketing effort and business outcomes. Going out on his own in 2013 he started to help other businesses adopt the data-driven way of Digital Marketing through his consultancy JJAnalytics. In 2015 he started the YouTube channel MeasureSchool to reach and teach this new way of marketing to other fellow Marketers. With over 175K subscribers it has become the leading (video) source for many marketers to educate themselves on the data-driven way.