Weekly roundup of people news, May 8Bernadette Tio, Toby Yiu, Oliver Jones, Andrew FoxwellMay 8, 2015HFT gets new CEO; Old Mutual appoints SE Asia chief; Mercer makes Asean hire; SkyBridge recruits in Seoul; Columbia gets Taiwan GM; Citadel executives quit; M&G boosts team; and CBRE promotes in China.
