Nate Green is an American author, writer, marketing strategist and fitness expert.

[4][5][6][7] In 2004 at the age of 19, Green emailed Lou Schuler, former fitness director of Men's Health magazine.

[10] He left his position with T-Nation in 2010 and joined Precision Nutrition where he works as a writer and marketing strategist.

[15] He co-authored Experiments in Intermittent Fasting with Dr. John Berardi and Dr. Krista Scott Dixon in 2012.

The book details Green’s process to test extreme weight-manipulation strategies of MMA fighters and explore his own physical and psychological limits.