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Mary Ann Thomas


Associate Professor, Department of Medical Genetics; Clinical Geneticist and Cytogeneticist, Alberta Children's Hospital; Program Director, Medical Genetics Residency Training Program, University of Calgary

(402) 955-7460

Alberta Children's Hospital
2888 Shaganappi Tr NW
Calgary, AB  T3B 6A8

Research Activities: 

I am a clinical geneticist and cytogeneticist and my primary clinical genetics interests include rare chromosome anomalies and Prenatal Genetics, with additional interests in genetic endocrine and hematological conditions.  I co-lead the 22q11.2 deletion syndrome clinic network at the Alberta Children’s Hospital and have an interest in comprehensive and life-long care for this diagnosis.

My research interests include: 1. The delineation of clinical features in rare chromosome anomalies. 2. Funded research to study the clinical utility of incoming new genetic tests, such as chromosome microarray (array CGH), whole exome sequencing and NIPT (non-invasive prenatal testing) in the Prenatal Genetics clinic and I also am interested in the process of implementing these tests into that clinic in a responsible manner.


  • M.D.C.M. (Doctor of Medicine, Master of Surgery)


Associations & Fellowships: