Are you investing in yourself? Part of our goal for this month's Pretty Mighty theme is to celebrate the power of women—and that includes our ability to be financially savvy. Enter: Sallie Krawcheck. The inspiring entrepreneur is the CEO and co-founder of Ellevest, a digital investment platform with a mission to give women the tools they need to reach their financial and professional goals. Being a female-founded company that cares deeply about creating more opportunities for women to succeed at work, we wholeheartedly believe in Sallie's message that "investing in women is simply smart business." Here, she gives her 5 top tips to know about investing, and we're taking notes!