"Updated : 2014-07-09 21:01 Kim Ok-chanKim Ok-chan, a former executive at KB Kookmin Bank, has joined global ratings agency Fitch Ratings as an adviser to its head of Asia-Pacific on South Korean business matters, the firm said Tuesday.Prior to the post, Kim had been with KB Kookmin for 30 years, holding posts including acting president and chief executive, chief financial officer and head of the t" . . . .