November 03, 2020 8:07 AMBefore he ran QQQ Capital Management, Qian Yong Qiang chaired China's biggest online dating service. : SINGAPORE (BLOOMBERG) - Long before he ran the world's best-performing hedge fund, Qian Yong Qiang chaired China's biggest online dating service. The Yale graduate would spend hours tracking down attractive users with suspicious profiles, sifting through accounts and deleting thousands of scammers to improve the site's authenticity and ensure its success. Now he's betting that same attention to detail and strong returns will help turn his Singapore-incorporated firm into a wealth management giant.