Mark Sisson (born July 20, 1953) is an American fitness author, food blogger, and a former distance runner, triathlete and Ironman competitor.

Biography Sisson was born in Maine and is the oldest of four siblings. He attended Williams College, where he was a pre-med candidate and earned a biology degree.

Sisson finished 4th in the February 1982 Ironman World Championship. In the 1970s, he was a record-setting runner for the Portland (Maine) Track Club. He had a top-5 finish in the 1980 U.S. National Marathon Championships and earned a qualifying spot for the 1980 U.S. Olympic Trials.

He is a follower of the paleo diet and markets his own version of it, called the "Primal Blueprint" diet.Lambeth Hochwald, "Paleo vs. primal diet: What's the difference?" , Mother Nature Network, 28 May 2015. As part of this initiative, he started a food blog, "Mark's Daily Apple," in 2006 and has also written a number of diet and exercise books;

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.

Primal Kitchen In 2015, Sisson and Morgan Buehler co-founded Primal Kitchen, "an authentic, premium and growing brand that ... offer[s] health-conscious consumers the best possible choices in Condiments, Sauces, Dressings and Healthy Snacks." In 2018, Kraft Heinz announced a definitive agreement to acquire Primal Kitchen for approximately $200 million.

Peluva In 2021, Sisson and his son, Kyle Sisson co-founded Peluva, a barefoot shoe brand.

Bibliography The Primal Blueprint (2009, ) The Primal Connection (2013, ) The New Primal Blueprint (2016, ) The Keto Reset Diet (2017, ) Primal Endurance (2015, ) Two Meals a Day (2021, ) Born to Walk (2025, )

References

External links

Mark's Daily Apple Mark Sisson's Untethered