A lot can happen in 12 years. Just ask EO Atlanta member Sara Blakely, who with US$5,000 in life savings and an innovative idea, changed the face of business and the lives of women everywhere. Recently recognized by Forbes as the youngest female self-made billionaire in the world—she was also listed in Time’s “100 Most Influential People in the World” list in April 2012—the inventor of revolutionary shapewear, SPANX, has given new meaning to EO’s core value, “Make a Mark.” In this special interview, Sara sits down with Octane to talk about starting a business from scratch, the magic of marketing and the importance of trusting your gut.