Aimon Srivaddhanaprabha

Aimon Srivaddhanaprabha is the wife of the late King Power founder Vichai Srivaddhanaprabha and matriarch of the billionaire family running the Thai duty-free giant, where her two sons and two daughters are top executives. King Power opened Thailand's first downtown duty-free shop in 1989 and since 2006 has managed the commercial areas of four of Thailand's 10 international airports. Its portfolio has also expanded to include malls, hotels, and two football clubs, including the U.K.'s Leicester City. The company last year unveiled plans for two more duty-free stores, at a price tag of over $86 million.