Karin Paolillo
Born in the UK, Karen Paolillo has dedicated the last three decades of her life to the hippos of the Turgwe River in south-east Zimbabwe. She founded the Turgwe Hippo Trust in the early 1990s and has since become known as an expert on hippo behavior, being called on by BBC Wildlife Magazine and other publications whenever a hippo question needs answering. She has been featured in a National Geographic TV serial and on several TV shows, including 50/50 in South Africa.