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Permanent Contributors


Allie Janson Hazell

Allison Janson Hazell is a Canadian and US board-certified Genetic Counsellor who joined Medcan in 2010. She has held past positions in adult genetics and familial GI cancer clinics. Specific areas of clinical expertise include hereditary heart disease and male-factor infertility.  Allie earned her Master’s degree in Human Genetics from Sarah Lawrence College in New York, and holds a certificate in Public Health Genetics and Genomics.  She completed her undergraduate studies at Queen’s University.  Allie has a keen interest in genomics and personalized medicine. She was among the first genetic counsellors to champion a role for social media within the profession, having co-founded The DNA Exchange – the Genetic Counselling community’s leading weblog – where she remains a principal contributor.

Jill Davies

Jill Davies is the Genetics Program Director at the Medcan Clinic. With over 10 years of experience in genetic counselling, Jill works in partnership with Geneticist Dr. Lea Velsher to develop and deliver leading-edge preventive genetic services at Medcan. Prior to joining Medcan, Jill provided genetic counselling services related to prenatal and general genetics at the Rouge Valley Health System. During her years in practice, she has provided a range of genetic services, from classical genetics to genomics, including pharmacogenomic testing. Her special interest is in the role of genetics in primary care and preventive medicine. Her focus is to bring the most advanced genetics knowledge to individuals to help them optimize health and manage risk for disease. Jill received her Master of Science degree in Genetic Counselling from the University of Manchester, UK. She is a Canadian board certified genetic counsellor and an active member of the Canadian Association of Genetic Counsellors (CAGC).

Lea Velsher

Dr. Lea Velsher is a graduate of McGill University. She did her postgraduate training in pediatrics at the Montreal Children’s Hospital followed by a fellowship in genetics at the Hospital for Sick Children in Toronto. Dr. Velsher is a Fellow of the Royal College of Physicians of Canada, a Fellow of the Canadian College of Medical Geneticists, and a diplomat of the American Board of Medical Genetics. She is currently on active staff at North York General Hospital and a lecturer at University of Toronto. Dr. Velsher is active in the OMA, the Northern Regional Genetics Program and is a consultant for the Familial Colon Cancer Clinic at Toronto Sunnybrook Regional Cancer Centre. Her interests include genetics of adult diseases and the integration of genetics into primary care practice.

Guest Contributors


If you are interested in providing a guest commentary for The GenoScape, please email Allie at allisonhazell[at] or connect with us on Twitter (@GenoScapeGC)

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