In Conversation With Martin Barthel, Head of Global Retail & eCommerce Strategy, Facebook & David Roth 1,362 views May 8, 2018 Details About the Series RetailWorld Retail Congress Appearing In This Episode David Roth has a passion for retail, digital technology, eCommerce and brands. He is an authority on China where these forces are colliding fast. Read More Martin Barthel Read More This episode is part of the following series: In Conversation With Over the years David Roth has interviewed over 60 leaders in the world of... Go to series