Tradebyte, the German internet marketplace specialist owned by Zalando since 2016, has elevated Kathrin Hösl to the position of chief operating officer. She will be a member of the management board along with the chief executive, Matthias Schulte, and the chief financial officer, Thorsten Barth. Hösl, who previously worked for Neckermann, has been with Tradebyte since 2012, mostly in sales and customer service functions.