Dan Buettner

Dan Buettner (born June 18, 1960) is an American author, explorer, longevity researcher and public speaker. He co-produced the documentary TV mini series ''Live to 100: Secrets of the Blue Zones'' (2023) based on his book of 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.

Buettner is a promoter of plant-based diets from his research on blue zones and has authored numerous books on the subject. Provided by Wikipedia