For the 18th consecutive year, Forbes Africa has released its coveted annual 30 under 30 list, and this year it includes Namibian medical doctor and poet Esperance Luvindao. Every year the list features Africans who are innovative entrepreneurs, tech geeks, sports stars, and influential creatives contributing to the continent’s growth. New categories include health and science, which celebrate frontline workers, especially the young professionals, entrepreneurs, and unlikely heroes set on reinventing the healthcare sector in Africa.