Dan Buettner (born 1960 in St. Paul, Minnesota) is an American explorer, educator, author, public speaker and co-producer of an Emmy Award-winning documentary who also holds three world records for endurance bicycling. Gilchrist, Dan. (November 2005) detail.aspx?itemID=12244&catID=146&SelectCatID=146" target="_blank">Chasing life. The Rake. Accessed September 14 2007. Gudmundsen, Jinny. (October 30 _2005) x.htm" target="_blank">Kids explore secrets of long life on virtual expedition _USA Today. Accessed September 14 2005. He is the founder of the online Quest Network, Inc., which provides opportunities for students to interactively engage with explorers on expedition. In February of 2007, an expedition led by Buettner to Nicoya, Costa Rica uncovered the longest-lived people known in the Western Hemisphere. Buettner, Dan. (February 2 2007). blank">Report from the "Blue Zone" _ABC News. Accessed September 14 2007.