Kansas City StarAmerican Century Investments names co-chief investment officersKansas City StarZhang, 42, comes from Wilshire Funds Management in Los Angeles, where he was president and chief investment officer. Zhang will be based in Kansas City, and his appointment as co-chief investment officer takes effect Feb. 17. He will oversee American...American Century names co-chief investment officersKansas City Business JournalWilshire Executive Victor Zhang and David MacEwen Named Co-Chief ...PR Web (press release)American Century Names Zhang, MacEwen Co-CIOs to Replace ChangBusinessweekall 6 news articles