GJCC
Agency Description
George Jeffrey Children’s Centre (GJCC) is paediatric outpatient health facility located in Thunder Bay, Ontario. Dedicated to meeting the communication, developmental, behavioural and physical needs of infants, children, and youth, from birth to 19 years of age across the Thunder Bay District, GJCC is one of twenty-two Children’s Treatment Centres in the Province of Ontario and is a member of Empowered Kids Ontario.

Therapist Descriptions
Matthew Wellington, BCBA (Board Certified Behaviour Analyst)
Matthew is currently a Clinical Supervisor at George Jeffrey Children’s Centre. He is originally from England, but is now living in Thunder Bay, ON. He holds both a Bachelors in Psychology (from London South Bank University, UK) and a Masters in Behaviour Analysis and Therapy (from the University of South Wales, UK).
Matthew has over eight years’ experience working with individuals diagnosed with Autism Spectrum Disorder, Intellectual Disabilities, and other physical and mental health diagnoses. He has been a Board Certified Behaviour Analyst (BCBA) for over three years, and has been assessing behaviours, designing and writing behaviour programs, and coaching families, care staff, and other professionals during this time.
Nicole Parker, Registered Behaviour Technician
Chelsea Creglia graduated from Lakehead University in 2009 with a Bachelor of Arts in Psychology. The following year, in 2010, she graduated from Lakehead University from the Bachelor of Education program. Since graduating in 2010, she has worked as a classroom teacher, with numerous school boards within Thunder Bay, and surrounding communities. In 2017, she began working as an ABA therapist, providing ABA services to children diagnosed with Autism. Chelsea’s passion in this field has led her to continue her education and has completed the Assistant Behaviour Analyst certificate program from the Florida Institute of technology and is now a certified BCaBA.
Marissa Bruce, Behaviour Therapist
Bio coming soon
Ashley Mellili, Behaviour Therapist
Bio coming soon
Valerie Glaister, Behaviour Therapist
Bio coming soon
Tatyana Gardiman, Registered Behaviour Technician
Bio coming soon
Julianna Hoekstra, Behaviour Therapist
Bio coming soon
Charlene Stogren, BCBA
Bio coming soon