In March 2002 she joined the Tshwane Business and Agricultural Corporation (TSHWABAC) as Head: Events and Special Projects. She successfully managed the Pretoria Show for six years and was also responsible for major events such as the Wild Life Expo, the Tight Lines Expo and the Bundu Expo. She managed an annual budget of R15 million and more than 200 permanent and temporary staff.

In 2008 Hanlie started Siyakula Events a company that enables her to share the valuable experience that she gained in the challenging world of marketing and events management with clients.