Dan Buettner (born June 18, 1960) is an American author, explorer, storyteller, longevity researcher and public speaker. He co-produced the 3 time Emmy Award winning documentary TV mini series ''Live to 100: Secrets of the Blue Zones'' (2023) based on his book by the same name and holds three Guinness records for distance cycling. Buettner is the founder of Blue Zones, LLC. He is a National Geographic Fellow.