Roslyn Ann Duffy

Roslyn Ann Duffy founded and codirected the Learning Tree Montessori Childcare and has written books and articles for adults and children, including the internationally circulated column “From a Parent’s Perspective.” She has also lectured and provided training internationally, and lives and practices counseling in Seattle, Washington.

Duffy is a coauthor, with Jane Nelsen and Cheryl Erwin, of Positive Discipline: The First Three Years, Fourth Edition and Positive Discipline for Preschoolers, Revised 4th Edition. She also contributed to Positive Discipline: A Teacher’s A–Z Guide and wrote The Top Ten Preschool Parenting Problems: What to Do About Them.