Sun Yafang (孫亞芳)

Company: Huawei Technologies Co., Ltd. (華為公司)

Headquarters: Guangdong

Main focus: Networking and telecommunications equipment

Title: Chairwoman

Age: 55

Widely considered the 'queen of Huawei', one of the world's leading multinational networking and telecommunications equipment company, Sun Yafang is the only figure in this list that is in charge of a Global 500 company. During her almost two decades at Huawei, Sun is credited with creating a management system for the company's human resources department and is known for her business operations management abilities, as well as her savvy in expanding the company's markets.

Huawei is now the largest networking and telecommunications equipment supplier in China and the second-largest supplier of mobile telecommunications infrastructure equipment in the world. It serves 45 of the world's 50 largest telecom operators as well as more than one third of the world's population. In 2010, Huawei achieved sales revenues of 185.07 billion yuan (US$29.13 billion), with total assets of 160.84 billion yuan (US$25.31 billion).