Diana Holz

Owner and Director

Guides the vision and leadership of the Green River Montessori School community.

Andrea Anstrom

ASSISTANT Director

Supports daily operations, families, and staff while helping maintain the prepared Montessori environment.

Diana Holz, MA

Program Director/Faculty

Diana Mamerto Holz retired after 30 years from Green River College as a tenured faculty member and the Program Director for Early Childhood Education. She taught in the Associate’s Degree program as well as the BAS program in Infant Child Mental Health, a program she helped to create. Diana received Montessori certification from The Spring Valley Montessori School and the University of Puget Sound, later graduating from The Evergreen State College. A master’s degree in early childhood education from Seattle University followed. Diana has completed her doctoral coursework (all but dissertation) in Child, Youth and Family Studies from Nova Southeastern University. Diana conducts field site observations for the Institute of Montessori Training (IMT) and continues to teach workshops and present at conferences. Diana holds full AMS certification for infants and toddlers through the Montessori Education Institute of the Pacific Northwest (MEIPN).

Andrea Anstrom, MA

Assistant Program Manager

Andrea Anstrom completed her first Montessori Teacher certification from Green River College for the 3–6-year-old. An Elementary Certificate from the North American Montessori Center (NAMC) followed. After working for Green River Montessori School for 17 years, Andrea made the decision to enroll in the primary Montessori training through the Montessori Institute for Teacher Education at Spring Valley. In addition to Andrea’s Montessori certificates, she holds a BA Degree from Heritage College and a Master’s Degree in Early Childhood Education through Eastern Washington University.

Lori Fietz, MA Ed

EC Faculty

Lori Fietz has been with Green River Montessori School (GRMS) since she was a child. At age 16, Lori Fietz completed her first Montessori training course in collaboration with Renton Technical College. Upon high school graduation, Lori enrolled in the Spring Valley Montessori program, earning certification for ages 2 1/2 – 7 years. She continued to teach at GRMS while earning her BA degree in Liberal Arts at The Evergreen State College. She completed her master’s
degree in Montessori Leadership from St Catherine’s University. In 1991, Lori began teaching the Montessori Teacher Education courses at Green River College, later teaching ECE method courses, practicum, parent education, ECE workshops, and lecture courses. She continues to teach as an associate-level adjunct professor at Green River College.

Aruna Aiyar, MA

EC Faculty

Aruna holds a master’s in applied psychology. She earned her EC AMS certification through the Montessori Education Institute of the Pacific Northwest (MEIPN). She also holds a certificate for Montessori Applied to Children at Risk (MACAR). In addition to more than 20 years of teaching experience in Montessori education, she has served as an instructor and field consultant in the TEP program for the Montessori Education Institute of Pacific Northwest (MEIPN). She currently teaches in the 3–6-year-old classroom for Green River Montessori School.

Kelly Severson-Kunz MA

EC Faculty

Kelly holds a master’s in education in literacy from Central Washington University. She has Montessori certification for the EC level from Montessori Teacher Preparation of Washington and elementary certification from Spring Valley Montessori Teacher Education Program (6-12 years). Kelly was a previous adjunct professor at Green River College, where she taught Music for Children, Multicultural Literature, and Language Arts. She has served on the board of the Pacific Northwest Montessori Association (PNMA), and as President of PNMA. Kelly is currently the owner of Dancing Pines Montessori School, a Montessori farm school
located in Kent, WA.