|Born||July 20, 1953|
|Alma mater||Williams College|
|Occupation||Triathlete, marathoner, author|
Mark Sisson (born July 1953) is an American fitness author and blogger, and a former distance runner, triathlete and Ironman competitor. Sisson finished 4th in the February 1982 Ironman World Championship.
In the 1970s, Sisson was a record-setting runner for the Portland (Maine) Track Club.
Sisson served for 15 years as chairman of the International Triathlon Union (ITU) Anti-Doping Commission and as the ITU's liaison to the International Olympic Committee. He was asked to step down from the roles due to conflict of interest in 2003 when he started his own dietary supplement company, Primal Nutrition. He is a follower of the paleo diet and markets his own version of it, called "the primal blueprint" diet.
- Sisson, Mark (July 27, 2011). "2011 News & Updates: The Growing Movement, New Books and What I’ve Been Up To". Mark's Daily Apple. Retrieved 31 July 2015.
- Lynch, Rene (February 28, 2015). "Getting primal with Mark Sisson". Los Angeles Times.
- Dwyre, Bill (August 1, 2008). "Cheaters still prosper in drug games". Los Angeles Times.
- "Mark Sisson". primalblueprint.com. Retrieved April 3, 2011.
- Haskell, Bob (August 20, 1976). "Mad Witch field minus Babbidge, defending champ". [Bangor Daily News.
- "Can you master your own epigenetics?". Los Angeles Times. May 3, 2010.
- Lambeth Hochwald, "Paleo vs. primal diet: What's the difference?", Mother Nature Network, 28 May 2015.