Meet Mark

Let me introduce myself. My name is Mark Sisson. I’m 63 years young. I live and work in Malibu, California. In a past life I was a professional marathoner and triathlete. Now my life goal is to help 100 million people get healthy. I started this blog in 2006 to empower people to take full responsibility for their own health and enjoyment of life by investigating, discussing, and critically rethinking everything we’ve assumed to be true about health and wellness...

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Whether you’re a passionate keto devotee, a Primal person curious about keto, brand new to the Mark’s Daily Apple community and looking for a way to improve your health and longevity, or something in between, the Keto Reset Digest monthly newsletter is your one-stop resource for everything keto.

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  • Curated lists of the very best keto recipes and content published on Mark’s Daily Apple and, occasionally, elsewhere.
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