Imagine observing lions on the prowl in the Serengeti with a wildlife biologist, examining ancient ruins in Peru with an archaeologist, or shooting images in Paris alongside a celebrated National Geographic photographer. National Geographic's researchers, explorers, writers, and photographers have brought the world to our members for more than a hundred years. Now, our experts bring you to the planet's most intriguing places to share their knowledge and their insights. From photography to history to marine biology, our National Geographic experts are passionate about their fields, and they enrich the expedition experience through fascinating presentations and informal discussions. Meet our featured experts below, or browse by destination, specialty, or name.