Our Team

Our Specialists

Dr. Brennan Ballantyne

Dr. Brennan Ballantyne

Cardiologist

Dr. Brennan Ballantyne is a cardiologist specializing in advanced heart failure/transplantation and cardiac electrophysiology at the University of Calgary.

Dr. Ballantyne completed internal medicine and cardiology training at the University of Western Ontario, where he was Chief Medical and Chief Cardiology Resident. He completed a 2-year fellowship in Cardiac Electrophysiology and a 1-year fellowship in Advanced Heart Failure and Transplantation at the University of Calgary.

Dr. Ballantyne is a member of the Advanced Heart Failure and Cardiology Electrophysiology groups at the University of Calgary. His research is published in international per-reviewed journals.

Outside of work, he is enjoys skiing and the outdoors with his family of four.

Dr. Omid Kiamanesh

Dr. Omid Kiamanesh

Cardiologist

Dr. Omid Kiamanesh is a cardiologist specializing in echocardiography, heart failure/transplantation, and critical care cardiology at the University of Calgary.

Dr. Kiamanesh completed internal medicine and cardiology residencies at the University of British Columbia, where he was Chief Medical and Chief Cardiology Resident. He completed fellowship training in Advanced Heart Failure, Mechanical Circulatory Support, and Cardiac Transplantation followed by Advanced Echocardiography at the University of Toronto. Dr. Kiamanesh subsequently completed his Advanced Echocardiography fellowship at the University of Calgary.

Dr. Kiamanesh is Medical Director of the Cardiac Function Clinic at the Peter Lougheed Centre and Medical Director of the Neuromuscular Cardiac Disease Clinic at the Peter Lougheed Centre. His research in both echocardiography and heart failure is published in international peer-reviewed journals. Dr. Kiamanesh sits on the Board of Directors of the Canadian Society of Echocardiography.

Outside of work, he enjoys spending time with his family of five, ideally on a bicycle.

Dr. Nathan Leader

Dr. Nathan Leader

Cardiologist

Dr. Nathan Leader is a Cardiologist specializing in Advanced Echocardiography at the University of Calgary. He has special interests in Preventative Cardiology and Sports Cardiology
.
Dr. Leader completed his internal medicine residency at the University of Toronto. He then completed his Cardiology and Advanced Echocardiography fellowship at the University of Calgary. He served as the Chief Cardiology Resident in his final year.

Dr. Leader’s research interests include wearable technology (e.g. Apple Watch and AliveCor) and it’s integration in the care of cardiac patients. He has presented this research at national cardiology conferences.

Outside of work he enjoys cycling, hiking and spending time with his wife and twin boys.

Dr. Magdalena Sarna

Dr. Magdalena Sarna

Internal Medicine Specialist

Dr. Magdalena Sarna is a General Internal Medicine specialist and clinical assistant professor at the University of Calgary. She has a special interest in vascular health, kidney disease and hypertension.

Dr. Sarna has a Master of Science degree in medical genetics from the University of Calgary. She completed medical school, internal medicine residency and nephrology fellowship at the University of Calgary. Dr. Sarna has previously authored peer-reviewed journal articles on vascular physiology and blood pressure. She has subspecialty certification in both Nephrology and General Internal Medicine (Fellow of the Royal College of Physicians of Canada). She is a Certified Hypertension Specialist (CHS) through the American Hypertension Specialist Certification Program (AHSCP).

Outside of work, she enjoys hiking and spending time with her family and doodle.

Dr. Jeff Shaw

Dr. Jeff Shaw

Cardiologist

Dr. Jeff Shaw is a cardiologist specializing in advanced echocardiography, critical care medicine, and critical care cardiology at the University of Calgary.

Dr. Shaw completed internal medicine, cardiology, and critical care medicine residencies at the University of Calgary, where he was Chief Cardiology Resident. He completed fellowship training in Advanced Echocardiography at the University of Calgary.

Dr. Shaw’s research is published in national peer-reviewed scientific journals. He is President and Founder of Pandemic Solutions, a software company that allows businesses to safely operate during the COVID-19 pandemic.

Outside of work, he enjoys spending time with his family of four, ideally on a ski slope.

Our Sonographers

Gicylle

Gicylle

Cardiac Sonographer

Paul

Paul

Cardiac Sonographer

Sasha

Sasha

Cardiac Sonographer

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