Marit Appeldoorn is a social worker, supervisor, and trainer who has been in practice for 25 years. She received her B.A. in Peace and Global Studies and Psychology from Earlham College, and her MSW from Smith College School for Social Work in 1996.
Appeldoorn has a background in children's mental health, and has practiced in in-home, outpatient, and day treatment settings. She began her private practice in Minneapolis, Minnesota in 2005, providing play therapy with elementary aged children and families as well as individual adults. She has received training in Theraplay and Somatic Experiencing, and her primary areas of clinical interest include trauma, attachment concerns, anxiety disorders, and she utilizes an integrative approach to therapy incorporating a wide range of neuroscience-informed interventions. She has taught on the adjunct faculty of the St. Mary's University marriage and family therapy program, the Augsburg University MSW program, and the University of Minnesota's Center for Early Education and Development (CEED).
Appeldoorn is also a credentialed registered play therapist supervisor (RPT-S), and is a past president of the Minnesota Association for Play Therapy (MNAPT). She provides prelicensure supervision and postlicensure consultation, and is a co-founder of Safe Haven, a consortium providing professional development support such as consultation, training, and mentorship to therapists. She is the co-author with Kathy Flaminio of the book "Moving Mountains: An integrative manual to help youth struggling with intensity, reactivity, and anxiety" (2020).