Henrik Jonsson is an illustrator and cartoonist. He was educated at the Kubert School in the USA and has illustrated comic books for the renowned publisher DC Comics, in series such as Batman and Suicide Squad. Henrik currently lives and works in Vänersborg.

Marie Tegnér is a weight coach and a regular blogger in the Swedish health magazine MåBra.
She is a qualified home economics teacher who has been involved in health and fitness for many years, both within Weight Watchers and as a health writer for a number of different magazines.