Marit Kolby

Marit Kolby is a Norwegian nutritional biologist, university lecturer and author.

Career

Kolby is a university lecturer and researcher at Oslo Nye Høyskole. She has published two books – a nutrition textbook and a cookbook, and also runs the blog “Matlyst!” and an Instagram profile.
In the field of nutrition, she criticizes, among other things, ultra-processed food and Norwegian dietary guidelines.
Her education includes a bachelor's degree in food science from the Norwegian University of Life Sciences and a master's degree in nutritional biology from the University of Oslo.
The book What and when should we eat? became the fifth best-selling book in Norway in 2022 according to the Norwegian Booksellers Association's bestseller list.

Kolby has two children. Her sister Hanne Fisher is a psychologist, and they collaborated on Kolby's second publication, The Cookbook – What Should We Eat?.
Kolby previously worked in sales and administration at Vero Moda, a clothing chain.