* Entrepreneur Sibongile Sambo The rejected flight attendant who started her own aviation company * Sibongile Sambo wanted to be a flight attendant with South African Airways, but she did not meet the minimum height requirement to become one. So she decided to star her own business, and had to sell her car and use her mother's pension money to set it up. Today, she is the founder of SRS Aviation, Africa's first female aviation company. Sambo was named on the "20 Young Power W