Wolfgang Roessing, chief executive of Rexor, will leave the German footwear buying group at the end of this year. Roessing will retire after working for the company for almost 42 years. The supervisory board decided to appoint Niek Jansen to the executive board of the company to handle merchandising and sales from January 2013. The 47-year-old Dutchman has been working for Rexor since 2008. He is currently responsible for the mentoring of retailers and suppliers as well as for the company's marketing. Previously, he worked for Garant Schuh + Mode in the Netherlands as well as in the distribution and retail business.