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91�Թ� faculty, students and staff are mourning Dr. Jack Tu, an internationally renowned cardiologist and professor in both the department of medicine and the Institute of Health Policy, Management and Evaluation, who passed away on May 30.

“The 91�Թ� has lost a dedicated mentor and friend,” says Dr. Trevor Young, dean of the Faculty of Medicine. “A tireless researcher and clinician scientist, Jack made significant contributions to measuring and improving the health and quality of care for Canadians with cardiovascular diseases.”

Tu was a world expert in medical epidemiology and health services research. His research advanced knowledge in critical areas of health care and had a tremendous impact on the health-care system and patients.

“It is because of his research that we now know that where someone lives can have an impact on their cardiovascular health,” says Dr. Andy Smith, president and CEO of Sunnybrook Health Sciences Centre where Tu was a staff physician and senior scientist. “It is because of his research that we now know that ‘good’ cholesterol is not an effective marker for heart health. It is because of his research that there is now a tool to predict mortality in patients who present with heart failure in the emergency room.”

In 1996, Tu was appointed assistant professor in the department of medicine at 91�Թ�, the same year he joined Sunnybrook as a staff physician in the division of internal medicine. He became a scientist in Evaluative Clinical Sciences and the Schulich Heart Program in 1999. He joined the Institute for Clinical Evaluative Sciences (ICES) as a scientist in 2000, where he led the cardiovascular and diagnostic imaging research program.

In 2004, he was promoted to professor in both the department of medicine and at the Institute of Health Policy, Management and Evaluation at 91�Թ� and to senior scientist at ICES. Two years later, he became a staff physician in Sunnybrook’s Schulich Heart Centre. Across all these years and as an integral, highly respected member of all these families, he enriched many lives as a physician, researcher, mentor, colleague and friend.

“Jack was a giant in health services research, and a great teacher and mentor to our students,” says Dr. Adalsteinn Brown, interim dean of the Dalla Lana School of Public Health and Dalla Lana Chair in Public Health Policy. “He was constantly searching for innovative ways to improve the health system and the quality of health care for Canadians. His dedication to our field and his scholarship will be greatly missed.”

“Jack’s dedication to his work and contributions to the research community and the health outcomes of Canadians is undeniable,” adds Dr. Gillian Hawker, chair of the department of medicine at 91�Թ�.

Tu held a Tier 1 Canada Research Chair in Health Services Research and published over 300 peer-reviewed journal articles in several highly ranked publications including The New England Journal of Medicine, Journal of the American Medical Association and Annals of Internal Medicine. A prolific researcher, he published more than 130 articles in peer-reviewed journals in the last five years alone.

Tu held several research grants from Canadian Institutes of Health Research and the Heart and Stroke Foundation and was the team leader of the CIHR-funded Canadian Cardiovascular Outcomes Research Team (CCORT), which links a network of over 30 leading cardiac outcomes researchers across the country. In 2015 Tu received the department of medicine's Researcher of the Year Award. In addition to his extensive research activities, Tu also supervised students at all levels of training and lectured extensively across the world.

With files from Sunnybrook Health Sciences Centre