What is the author's perspective in the how-to book, The Life-Changing Magic of Tidying Up?

Marie Kondo is a tidying consultant. She has innovated a process that she called KonMari. She has many clients who have hired her to help them clean up clutter in their homes, purge their possessions and store their remaining items in a proficient manner. Marie Kondo is the narrator of The Life-Changing Magic of Tidying Up. The narrative is from her point of view because she has lived a life devoted to having a tidy and uncluttered environment which eventually evolved into a very successful career.