AIA Group chairman Edmund Tse-wing achieved more for his company after retiring than many executives do in their whole careers.At 71, Tse was already past normal retirement age in 2009 when he retired for the first time, only to have the global financial crisis bring him back to the office from the tennis court – for another 14 years.Just a few months after returning, Tse led AIA through its Hong Kong initial public offering (IPO). The HK$159.1 billion (US$20.4 billion) listing – still the...