Retail Zalando Zalando co-CEO Rubin Ritter informed Cristina Stenbeck, chairperson of the company’s supervisory board, that he intends to step down at the annual general meeting in 2021. Stenbeck announced that the supervisory board will work together with Ritter to dissolve his contract, which runs until November 2023. Since 2010, Robert Gentz, David Schneider and…