Kent Lang has joined Dita Eyewear in the newly created position as chief operating officer. Lang worked for 17 years at Oakley, most recently as chief operating officer. Lang will be based in the U.S. and be responsible for the areas of manufacturing, services, operations and team building. Separately, the company appointed Mario Torre to the newly created position of sales manager for South America three months ago. Torre previously worked as country manager for Luxottica and as international sales director at Etnia Barcelona. He will be working from Dita's headquarters in Ireland.