Staff & Administration

blocks Building Blocks Developmental Preschool and Early Intervention Provider employs a diversified staff of professionals to meet the needs of all children:

  • NYS Certified Regular Education and Special Education Teachers
  • Speech/Language Pathologists
  • School Psychologists
  • Occupational Therapists
  • Physical Therapists
  • Licensed Clinical Psychologist
  • ABA Therapists
  • Board Certified Behavior Analyst
  • Registered Nurses
  • Para-professionals

 If you are interested in joining this dedicated team of professionals in providing the highest quality early childhood educational and therapeutic services, please forward your resume to Dorothy Aversano, Assistant Director, at

The Administrative Staff at Building Blocks collectively has over 100 years experience in early childhood development.
The administrative staff includes:

Donna M. Charbonneau, M.A., P.D. – Executive Director

Donna M. Charbonneau holds a Bachelor’s Degree in Psychology from Adelphi University, a Master’s Degree in Applied Psychology also from Adelphi University, a Professional Diploma in School District Administration from Dowling College, New York State Certification as a School Psychologist, and New York State Certification as a School District Administrator.  She began her tenure at Building Blocks Developmental Preschool in 1989 as a school psychologist providing direct service to children in the Infant/Toddler Program.  This initial position at Building Blocks was following time spent early in her career at another local special education preschool where she functioned in a similar capacity as a school psychologist working with special needs infants, toddlers and preschoolers and their families.  In 1994 Ms. Charbonneau assumed the additional responsibilities of coordinating the Infant/Toddler Program for the school.  Up until this past year Ms. Charbonneau also served as the ongoing service coordinator for many of the early intervention students receiving instruction through Building Blocks.  Upon the retirement of the school’s founding director in 1998, Ms. Charbonneau assumed the role of Co-Director of Building Blocks.  After 14 years at the shared helm, Ms. Charbonneau was appointed in July of 2012 by the Board of Directors of Building Blocks to her current position of Executive Director where she will continue to ensure delivery of the highest quality educational services to all of our students.

Dorothy A. Aversano, M.A., CCC-SLP, P.D. – Assistant Director

Dorothy A. Aversano received a Bachelor’s Degree in Speech from St. John’s University, a Master’s Degree in Speech Language Pathology and Audiology from Hofstra University and a Professional Diploma in School District Administration from Long Island University. She holds a license to practice Speech Pathology in the State of New York, as well as a New York State Certification as a Teacher of the Speech and Hearing Handicapped, and New York State Certification as a School District Administrator. She started her career as a speech teacher for the Head Start Program of NYC and began her tenure at Building Blocks Developmental Preschool in 1991 as a speech pathologist providing direct service to children in the Infant/Toddler Program.  In 1998 Ms. Aversano assumed the additional responsibilities of Coordinator of the Speech/Language program for the school while continuing to provide speech therapy and evaluation services to children in the program. In 2003, her responsibilities expanded as she became the Clinical Coordinator for Building Blocks.  As a result of NY State Plan Amendment #09-61of 2009 requiring compliance with all laws and regulations related to the receipt of federal participation in the School Supportive Health Services Program, Building Blocks developed a Corporate Compliance program and Ms. Aversano assumed the role of Corporate Compliance Officer. This past year, Ms. Aversano was appointed to the position of Assistant Director by the school’s Board of Directors.

Mary L. Rousseau, M.A., C.A.S – EDUCATIONAl Coordinator

Mary L. Rousseau received a Bachelor’s Degree in Special Education from Dowling College, a Master’s Degree in Infant and Toddler Therapeutic Intervention from St. Joseph’s College, and a School Building Leader (SBL) Certificate from the College of St. Rose.  Ms. Rousseau’s experience prior to Building Blocks was comprised of several years teaching at two local programs for children with special needs.  She joined Building Blocks in 2000 as a special education teacher working in both the classroom and home settings.  During this time she provided special instruction at the Early Intervention and Preschool levels.  In 2004, Ms. Rousseau was instrumental in developing and implementing the Applied Behavior Analysis (ABA) program here at Building Blocks for children diagnosed with an Autism Spectrum disorder.  In her capacity as ABA Coordinator she was responsible for staff development and training related to Suffolk County’s ABA Competency Program.  In addition, Ms. Rousseau received the designation of School Building Leader (SBL) in 2009, and as of July 2012 has assumed the role of Clinical Coordinator.  Most recently in January of 2021, Ms. Rousseau took on her current role as Educational Coordinator. She continues to provide ongoing training and supervision to teachers, therapists and paraprofessionals at the school, as well as oversees the ABA and SEIT programs.