Julie Bruton-Seal is an herbalist, iridologist, and craniosacral therapist. A Fellow of the Association of Master Herbalists (FAMH), she is also a photographer, artist, jeweler, graphic designer, cook, and gardener. Her parents are the well-known wildlife filmmakers and photographers Des and Jen Bartlett.

Matthew Seal is a writer and editor and the coauthor of Backyard Medicine, Home Remedies, and Herbalist's Bible.