About Us
All of our consultant speech-language pathologists (RSLPs) are registered with the College of Health and Care Professionals of BC (CHCPBC) and are members of Speech-Language and Audiology Canada (SAC) and Speech and Hearing BC (SHBC).
Alisa Ferdinandi
M.Sc., RSLP – Clinic Co-Director
Areas of practice: adult brain injury rehabilitation, aphasia therapy, adult speech and/or articulation therapy including Parkinson’s Disease.
Locations served: Vancouver, North Vancouver, West Vancouver, Burnaby, Fraser Valley by request.
Katherine Yoshida
M.Sc., RSLP – Clinic Co-Director
Areas of practice: brain injury rehabilitation for adults, adolescents and children, cognitive-communication impairment, social communication.
Locations served: Vancouver, North Vancouver, Burnaby, Surrey, North Delta, Fraser Valley by request.
Wendy Duke
M.Sc., RSLP, CCC-SLP – Chief of Program Development
Areas of practice: adult brain injury rehabilitation, stuttering, aphasia therapy, voice therapy, accent modification, medical-legal work, autism (RASP certified).
Locations served: Vancouver, West Vancouver, North Vancouver, Others by request.
Tracey Jalovec
M.Sc., RSLP
Areas of practice: accent modification, Canadian English pronunciation, adult voice and/or articulation therapy.
Locations served: Virtual instruction across BC.
Olivia Gonsalves
M.CI.Sc., RSLP
Areas of practice: acquired brain injury rehabilitation, speech and language therapy for children.
Locations served: Virtual.
Carlee Wilson
PhD, RSLP
Areas of practice: adult speech and/or articulation therapy, adult brain injury rehabilitation, aphasia therapy.
Locations served: Vancouver, Burnaby, Coquitlam, Surrey, Port Moody, Langley.
Karen Salamon
M.Sc., RSLP
Areas of practice: adult brain injury rehabilitation, cognitive-communication impairment, social communication.
Locations served: Vancouver, Surrey, Abbotsford and the Sunshine Coast.
Danyl Himaras
M.Sc., RSLP
Areas of practice: children’s therapy, acquired brain injury rehabilitation.
Locations served: Vancouver and the Fraser Valley upon request.
Jeness Cossette
M.CI.Sc., RSLP
Areas of practice: children’s speech and language therapy, adult speech, adult brain injury rehabilitation, aphasia therapy, stuttering therapy.
Locations served: Vancouver and Port Moody (office-based), travels within Port Moody, Coquitlam, Port Coquitlam, Pitt Meadows, Maple Ridge, New Westminster, Surrey.

Nick Tsamis
M.Sc., RSLP
Areas of practice: Adult brain injury rehabilitation, aphasia therapy, speech and/or articulation therapy for children and adults, Early and later language delay, phonological disorder, Dementia.
Location of services: In person at Columbia’s Vancouver office, or virtually.
AJ Hildebrand
M.Sc., RSLP
Areas of practice: intensive stuttering treatment for adults.
Location of services: Vancouver.

Sonia
Administration
Sonia is our new Office Manager at Columbia Speech and Language Services. She is ready to assist you with any administrative issues and to connect you with our services!
Janey
Accountant
Janey is a highly organized and efficient taskmaster who with her sweet nature always puts a smile on our faces. She is the “go-to” person if you have a question about your invoice.