Agency Description

George Jeffrey Children’s Centre (GJCC) is a long standing and well respected paediatric outpatient health facility located in Thunder Bay, Ontario. We are 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.



Therapist Descriptions


Vishalla Pazdzior/OT

Vishalla Pazdzior is an Occupational Therapist at the George Jeffrey Children’s Centre (GJCC). She obtained her Occupational Therapy degree from McMaster University in 2012 and has worked at GJCC since graduation. She currently works in the Seating and Mobility Program and is part of the Feeding and Swallowing Clinic.


Andrea is an Occupational Therapist working within the Adolescent Program at GJCC since 2019. She graduated from Queen’s University with a Master’s of Science in Occupational Therapy after obtaining a Bachelor of Health Science (Honours) Kinesiology from University of Ontario Institute of Technology.

She specializes in topics/issues relevant to youth (11-19 years of age) with special needs such as puberty, life skills, and activities of daily living. Andrea has worked with children and youth with special needs since 2010 in a variety of recreation and therapeutic settings and loves assisting them reach their fullest potential and enjoy life.

Halle Demchuk

Halle Demchuk is a Speech-Language Pathologist with George Jeffrey Children’s Centre in the Clinical School-Age (5-11) program. She is a proud Metis clinician from Northwestern Ontario, and recently graduated from McGill University where she sat on research and Indigenous councils during her education.

Halle enjoys her varied caseload in which she works with children, caregivers, as well as other support staff. Her current clinical interests are investigating evidence-based interventions for children on the autism spectrum (ASD). In her spare time, Halle enjoys cycling, thrifting, and playing with her cat.

Emily Villanueva

Emily Villanueva is a Speech-Language Pathologist with the School Based Rehabilitation Services (SBRS) program at George Jeffrey Children’s Centre (GJCC). She currently assesses and treats speech, fluency and voice for students in Senior Kindergarten to Grade Twelve. Emily moved to Thunder Bay last summer to pursue her passion working with children, their families and school staff to address communication needs as part of a team based approach.

Prior to working at GJCC, Emily’s clinical experiences include working with individuals of all ages within a variety of settings such as children’s centres, private practice, camps, school boards and inpatient rehabilitation.

Vanessa Riccio

Vanessa Riccio is a Speech-Language Pathologist (SLP) who has been providing speech and language services in Thunder Bay and surrounding far-north district for over 6 years and prior to that was employed in the Toronto area.

Vanessa earned her Master of Science in Education (M.S.Ed) degree in Speech-Language Pathology from Buffalo State, obtaining certificates of excellence for both academic and clinical achievements. She is registered with the College of Audiologists and Speech-Language Pathologists of Ontario (CASLPO) and is certified by Speech-Language & Audiology Canada (SAC).

Vanessa currently works within the school-based rehabilitation services program at the George Jeffrey Children’s Centre, working with students age 5-17 with a variety Foundational of speech, voice, and fluency disorders. Vanessa has previous experience working with clients of all ages with developmental disorders, including autism spectrum disorders.

Stephanie Milenko

Stephanie Milenko has been working in the developmental services field for over 20 years and currently is an ABA Therapist with George Jeffrey Children’s Centre. Her previous work experience in local schools, daycares, and as an individual support person has laid a solid foundation for her to understand challenges that individuals on the Autism Spectrum may face. Stephanie is passionate about supporting children/youth to move beyond barriers towards an unlimited potential. Stephanie was formally employed with CCR since 2008 and has worked in various positions within the agency.

A large portion of her time was spent as an Applied Behavioural Analysis Consultant for a North Shore school board, working alongside school staff supporting students while building ABA
capacity within school teams. Stephanie loves to interact with people and facilitate many trainings for families and professionals.

Melissa Stolz

Melissa Stolz is an ABA Therapist and has been working with children with autism and their families for over 14 years. Melissa has an ECE background, which she obtained at Confederation College, and has worked with people with special needs since 1998. She has worked in the IBI setting delivering Intensive Treatment to children and youth with Autism Spectrum Disorder (ASD) for 11 years with Children Centre Thunder Bay.

Melissa started working with Child and Community Resources in January of 2018 until May of 2020 as an ABA Therapist. In Centre. Melissa is very passionate about helping children and families and is very excited to be working with families and cannot wait to share her love of ABA to help teach new skills and strategies to you and your family.

Sasha Friske

Sasha Friske is an ABA Therapist with George Jeffrey’s Children Centre who works with families to develop skills and reach their behavior based goals. Sasha believes in the principles that guide Applied Behavioural Analysis (ABA) practice and loves watching her learners grow and succeed in becoming independent and happy within their community.

Sasha currently holds a Master of Arts in Child Study and Education from the University of Toronto and is a certified Primary/Junior level Teacher. Prior to completing her course work in ABA, Sasha loved her role teaching Kindergarten; including a 2 year placement in England.

Chelsea Creglia

Chelsea Creglia was born and raised in Thunder Bay, Ontario. She 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 passion in this field has led her to continue her education and recently completed the Assistant Behaviour Analyst certificate program from the Florida Institute of technology and will soon be a certified BCaBA. Chelsea loves spending time with her friends and family and enjoys travelling, camping, fishing, and relaxing around a campfire