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About Sickkids
About SickKids


The Hospital for Sick Children
Staff Physician
Clinical and Metabolic Genetics

Research Institute
Project Investigator
Research Institute

University of Toronto
Associate Professor

Phone: (416) 813-7654 Ext. 206389
Fax: (416) 813-5345
Email: grace.yoon@sickkids.ca

Brief Biography

Grace Yoon completed residency training in Medical Genetics, followed by a fellowship in Neurogenetics and is currently a staff physician in the Division of Clinical and Metabolic Genetics, with a cross appointment in the Division of Neurology. In addition to providing clinical care for patients with inherited neurological disorders, she is an active teacher within the Faculty of Medicine at the University of Toronto. She developed a neurogenetics elective rotation, which provides trainees from the divisions of Neurology and Clinical and Metabolic Genetics with a unique educational opportunity.

Areas of Clinical Specialty


  • muscle disorders
  • peripheral nerve disorders
  • channelopathies
  • motor neuron disorders
  • neuromuscular junction disorders
  • hereditary spastic paraplegias


  • cerebellar ataxia (cerebellar atrophy/hypoplasia)
  • spinocerebellar ataxias
  • episodic ataxias
  • afferent/sensory ataxias

Academic Background

FACMG, University of California San Francisco, Fellowship in Neurogenetics
FRCP(C), FCCMG, University of Calgary, Residency in Medical Genetics
MD, Dalhousie University

Research Interests

  • Clinical characterization of rare neuromuscular disorders and genetic ataxias
  • Natural history and clinical outcomes in patients with neurogenetic and neurodegenerative disease


Click here to view Grace Yoon's current publications.