+ Nancy Grejtak, MA, MBA —Executive Director

Working with specific outplacement programs, Nancy leads the team responsible for developing and implementing best practice assessment and educational instruction for students in these alternative settings. Prior to joining GEG and launching Specialized Learning Services, Nancy was the Director of Pupil Services in the Los Altos School District in California, where she was responsible for administration of the special education and psychological services programs for the district. Nancy also was a Resource Specialist and Inclusion Specialist teacher in Sunnyvale School District for nine years, where she was honored as Teacher of the Year. Nancy received her undergraduate degree from University of California at Santa Barbara, a Masters in Business Administration from Pepperdine University, and a Masters in Special Education from Santa Clara University.


+ Sarah Morris, SLP — Administrative Manager

Prior to joining The Collaborative Center, Sarah was the Administrative Coordinator for the Pinnacle School and Specialized Learning Services at Greenwich Ed Group. Sarah helps coordinate scheduling changes, and ensures that parents have a knowledgeable contact that can quickly handle inquiries, issues, and questions that may arise.



+ Shannon Evelyn Matthews, MS, BCBA — Behaviorist

Shannon earned her BA in Psychology from Central Connecticut State University, and her MS in Educational School Counseling from National University. Shannon brings over 10 years of experience working with students of all ages, abilities and needs. With specific expertise in Early Intervention Programs and children with ASD’s, Shannon works with parents, students and schools to complete FBA’s, and provide at school and home based behavioral support.


+ Stephanie Perell, LCSW — Director, Clinical Services

Stephanie is a Licensed Clinical Social Worker in Connecticut and New York who has worked extensively with children, adolescents and their families. After receiving a Masters of Science in Social Work (MSSW) degree from the Columbia University School of Social Work, she has pursued advanced trainings in Cognitive Behavioral Therapy (CBT), Dialectical Behavioral Therapy (DBT), Mindfulness, Social Skills-building and trauma informed care. Undergraduate studies at The George Washington University earning a B.A. in both psychology and art history formed a lifelong interest in the relationship between these disciplines.

Her approach to practice blends behavioral, psychodynamic, expressive art and play therapy interventions to support growth and change. Stephanie has been effective when working with children and adolescents who experience: generalized anxiety, social anxiety, depression, ADD/ADHD, school avoidance, anger/impulse control, trauma and grief. As a therapist working with young people, Stephanie has found that active parent participation is a key factor for success and will consistently encourage open communication.


+ Joanna Frank, MPS —Reading Specialist, Director of Specialized Test Prep

Joanna, a special education teacher and reading/literacy specialist, heads our Reading Skills Program and our Specialized Test Prep for the SAT, ACT, and ISEE. She also provides direct instruction to students who are completing admissions essays to independent college preparatory schools and to colleges. Joanna graduated from Manhattanville College with a BA in Psychology and English, and an MPS in Special Education and Childhood Education. In addition, Joanna has Multisensory Reading Instruction certification. Prior to joining The Collaborative Center, Joanna taught at Solomon Schechter School of Westchester, Eagle Hill School, Windward School, and the Yonkers Public School system. Joanna is able to help students improve accuracy, fluency and comprehension, support struggling, emerging readers, and engage even the most reluctant readers in the reading and writing process. In addition, as head of the Specialized Test Prep, Joanna adds to excellent quality test prep by providing oversight of customization for students with learning differences and high anxiety to ensure that each student receives individualized test taking strategies specific to their learning profile.