Marta Alto is a teacher, writer, and researcher at Palmer/Pletsch, the author of 21st Century Sewing, and the coauthor of The Serger Idea Book and Sewing Ultrasuede. Pati Palmer is the CEO of Palmer/Pletsch Publishing, a designer and consultant for the McCall Pattern Company, and a coauthor of Sewing with Sergers. They are the coauthors of Fit for Real People, Jackets for Real People, and Pants for Real People. They both live in Portland, Oregon.