Juliet Anammah is the chairwoman of Jumia Nigeria and the Chief Sustainability Officer of Jumia Group, the largest e-commerce platform in Africa and the first African tech startup to be listed on the NYSE. She previously served as the CEO of Jumia Nigeria for more than 4 years, overseeing the growth and transition of Jumia Nigeria from online retail to a full digital ecosystem that included marketplace, logistics and payments services. In this conversation with Darius Teter, executive director of Stanford Seed, Anammah explores the challenges of building a marketplace business in Africa as well as the huge untapped potential of e-commerce on the continent.