Helen Armstrong is a professor of graphic design at North Carolina State University in Raleigh, North Carolina. Her previous books include Graphic Design Theory, Digital Design Theory, and Participate: Designing with User-Generated Content coauthored with Ellen Lupton and Zvezdana Stojmirovic.
Keetra Dean Dixon is a US-based designer, former professor at RISD, and winner of a US Presidential Award with a permanent design collection at SFMOMA. She divides her time between the East Coast and rural Alaska.