Platinum Guild International USA has appointed Kevin Reilly manager of industry relations. Previously he served as vice president of sales and marketing for Taché USA, where he launched the luxury brand Nikos, the company's first-ever brand devoted to men's fine jewelry. Prior to Taché USA, Reilly served as director of new business development and customer relations for Lazare Kaplan International.Jacques Lemans has appointed Gottfried Bergeras executive vice president. Berger was formerly vice president retail, responsible for international sales, at Hirsch Armbänder GmbH.Man Sang Holdings Inc. has appointed Pak Wai Keung as chief financial officer. Prior to joining the company, Pak was a group financial controller of several listed companies in Hong Kong. He has more than 16 years of experience in the fields of professional accounting services, banking, and financial management in H