Harley Pasternak, M.Sc., author portrait
© courtesy of the author

Harley Pasternak, M.Sc.

Harley Pasternak is the author of six popular diet and fitness books, including the New York Times bestsellers The Body Reset Diet and The 5-Factor Diet. He holds a master of science degree in exercise physiology and nutritional sciences from the University of Toronto and an honors degree in kinesiology from the University of Western Ontario. He is an adjunct professor at the Dalla Lana School of Public Health at the University of Toronto. Harley Pasternak lives with his wife and two children in Los Angeles.
The Carb Reset
The 5-Factor Diet
5-Factor Fitness

Books

The Carb Reset
The 5-Factor Diet
5-Factor Fitness

Three Penguin Random House Authors Win Pulitzer Prizes

On Monday, May 5, three Penguin Random House authors were honored with a Pulitzer Prize. Established in 1917, the Pulitzer Prizes are the most prestigious awards in American letters. To date, PRH has 143 Pulitzer Prize winners, including William Faulkner, Eudora Welty, Josh Steinbeck, Ron Chernow, Anne Applebaum, Colson Whitehead, and many more. Take a look at our 2025 Pulitzer Prize

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Books for LGBTQIA+ Pride Month

In June we celebrate Lesbian, Gay, Bisexual, Transgender, Queer, Intersex, and Asexual + (LGBTQIA+) Pride Month, which honors the 1969 Stonewall riots in Manhattan. Pride Month is a time to both celebrate the accomplishments of those in the LGBTQ+ community and recognize the ongoing struggles faced by many across the world who wish to live

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