Mammut Sports has appointed Adrian Margelist as its new chief creative officer, and Matthias Hanny as head of B2C. Margelist and Hanny will both join Mammut's executive management team. They replace Michael Gyssler and Joachim Wallishauser, who are leaving the company. Margelist, whose appointment is effective Apr. 1, has extensive experience in product management and fashion design. Most recently, he was the creative director and managing director of brand and product at Liebeskind in Berlin. Prior to that, he has been creative director at Esprit, Navyboot and MCM. Hanny, who will assume his new role on March 1, was most recently responsible for e-commerce at Willy Bogner in Munich, the company for which he worked for 14 years. Among his previous roles, he managed the implementation of the company's growth strategy with a focus on Germany, Switzerland, Austria, the U.S. and the U.K.