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Evidence to Improve Care

Ontario Health Technology Advisory Committee Members Biographies

Vascular Surgeon, St. Michael’s Hospital


Charles de Mestral is a vascular surgeon at St. Michael’s Hospital and a surgeon-scientist in the Department of Surgery at the University of Toronto. He is certified by the Royal College of Physicians and Surgeons of Canada in general surgery and vascular surgery. He pursues a research program in health services research and economic evaluation as a scientist at the Li Ka Shing Knowledge Institute of St. Michael’s Hospital and as an adjunct scientist at ICES.

President and CEO, Chatham-Kent Health Alliance


Lori Marshall is the president and chief executive officer of Chatham-Kent Health Alliance. Lori has more than 20 years of leadership experience in Ontario’s acute and community care sectors. She has a reputation as a patient-centred strategist and a track record of addressing complex issues through a shared vision and knowledge of the community and region. Lori was previously the CEO of the Erie St. Clair Community Care Access Centre and Nipigon District Memorial Hospital. She has also served as vice-president at the Thunder Bay Regional Health Sciences Centre and the Oshawa General Hospital. Lori is a registered pharmacist with the Ontario College of Pharmacists and a certified health executive with the Canadian College of Health Leaders. She holds a certificate from the University of Toronto Rotman School of Management’s Advanced Health Leadership program and a Master of Health Administration from the University of Ottawa. Lori has a rich history of community service and has been active on many boards and committees at the provincial and local levels.

Ex-Officio (MOH Representatives)

Director of Research, Analysis and Evaluation within the Strategic Policy, Planning and French Language Services Division, Ministry of Health.


Since she began with the Ministry in April 2010, Jillian has taken on many roles related to quality and funding including:

  • leading the policy and planning of Ontario Health Teams

  • supporting the implementation of Ontario’s quality Legislation

  • designing the policy framework for the introduction of the Ministry’s first Patient Ombudsman as well as the Minister’s first Patient and Family Advisory Council

  • designing policy and programs to advance integrated funding and quality improvement.

Previous to the Ministry, Jillian worked at Cancer Care Ontario and the Hospital Report Research Collaborative out of the University of Toronto.  She is currently working to accelerate the advancement of evidence into policy and program decision making.

Director, Provincial Programs Branch, Ministry of Health


Kristin Taylor is the Director of the Provincial Programs Branch at the Ministry of Health. She joined the ministry in 2008 and throughout her career has focused on strategic policy and program management. She has improved access to health services and strengthened coordination and oversight of various provincially funded programs while using evidence and data to inform her work. Kristin currently leads an extensive portfolio that includes over $7.5 billion in health care funding for programs related to cancer, transplant, HIV, hepatitis C, naloxone, cardiac, neuroservices, perinatal health, sexual violence, quality-based procedures, wait times, and surgical recovery. Approximately half of all Ontario Health Technology Advisory Committee (OHTAC) recommendations are relevant to the Provincial Programs Branch, and Kristin and her team collaborate with stakeholders and Ontario Health to leverage the work of OHTAC and inform future health care funding and implementation decisions.

Ex-Officio (OH Representatives)

Director of Health Technology Assessment, Ontario Health


Nancy Sikich is the director of Health Technology Assessment at Health Quality Ontario, in Toronto. She has been involved in health technology assessment for more than 10 years, with a focus on evaluating clinical effectiveness, the quality of evidence, and the process for making recommendations. Nancy holds a master's degree in health research methodology and a bachelor of science in nursing, both from McMaster University.

Senior Director, Cancer Control & Evidence Integration, Ontario Health


Rebecca is the Interim Vice-President of Prevention & Cancer Control at Ontario Health, which includes overseeing the province’s organized cancer screening programs and the health technology assessment program. She is a respected health system leader with a special interest in chronic disease prevention. Throughout her tenure at Ontario Health (Cancer Care Ontario), she has led the establishment of a provincial smoking cessation program for cancer patients, developed a performance measurement framework for the prevention system, and co-led the development of a provincial food and nutrition strategy. Rebecca is a registered dietitian and holds a Master of Health Sciences from the University of Toronto.


Critical Care Specialist


Kali Barrett earned her medical degree in 2009 from the University of Western Ontario. She subsequently completed a residency program in Internal Medicine and Adult Critical Care at the University of Toronto. Dr. Barrett also holds a Master’s degree in Health Policy, Planning and Financing from London School of Economics, where her thesis was an economic evaluation of extracorporeal membrane oxygenation (ECMO) for severe adult respiratory distress syndrome. She has also completed additional methodological training in advanced methods for cost-effectiveness analysis at the England York University. Dr. Barrett is a Clinical Associate at Toronto Western Hospital with the Interdepartmental Division of Critical Care Medicine. She has published several peer-reviewed articles and presented at a number national conferences.


Sally Bean is an ethicist and policy advisor at Sunnybrook Health Sciences Centre and the University of Toronto’s Joint Centre for Bioethics. Sally earned a B.A. in philosophy and English, an M.A. in bioethics and public policy, and a law degree, juris doctorate (J.D.). After law school, she completed a two-year fellowship in clinical and organizational ethics through the University of Toronto's Joint Centre for Bioethics. Sally has presented at national and international conferences, serves as a peer reviewer on numerous journals, and has published several peer-reviewed articles. Her academic and research interests include the intersection of health law and bioethics, health policy development, and patient engagement in health technology assessment.


Paul Bradley is a health care industry executive with close to 40 years’ experience in the Canadian medical device and pharmaceutical markets. He has held leadership roles in a wide range of functional areas at Johnson & Johnson, including commercial roles, human resources, and operations. As vice-president of Strategic Affairs, Paul had leadership responsibility for health economics and market access, professional education, clinical and regulatory affairs, quality, and health care compliance and was a member of the management board of the Canadian medical device division. Paul was a board member of Medtech Canada, Canada’s medical technology industry association, from 2009 to 2016, holding various leadership roles including board chair for his final three years. Paul is currently a board member at ventureLAB and is president of MedTech Consulting. The diversity of his board experience fuels his passion for innovation in health care and creating a better environment for the appropriate adoption of medical technologies.

Primary Care Manager, Espanola and Area Family Health Team


Jon is the Primary Care Manager of the Espanola and Area Family Health Team in Espanola, Ontario, which values integrity, compassion, and diversity. Jon joined the team in 2011 as a Registered Nurse in the Emergency Department and Acute Care Unit, and progressed into his current role of overseeing primary care through the family health team model. Jon is a core member of the Ontario Health Team (OHT) Leadership Steering Committee and is an active member of many priority rural community tables that cover a catchment area of 1,142 km2. Jon is currently the Chair of the Espanola and Area Community of Care Planning Network (OHT Steering Committee), and plays an integral role in connecting patients with community providers to enhance care delivery. Jon has worked closely with community leaders to develop the Espanola and Area Rapid Access to Addictions Medicine (RAAM) Program and currently holds a Co-chair position of the Mental Health and Addictions System Priority Action Table for Sudbury and Area. Jon is a proud father of two amazing children that keep him quite busy, and he also makes time for his passion as an avid cyclist. His dream day involves a 100+ km bike ride to his cottage on Manitoulin Island followed by a fun-filled day of activities with his beautiful wife and incredible children. 

Otolaryngologist, The Ottawa Hospital


Lisa Caulley is an otolaryngologist (a head and neck surgeon) with a master’s degree in public health from the Harvard T.H. Chan School of Public Health. Lisa completed her otolaryngology/head-and-neck surgery training at the University of Ottawa in 2017. She subsequently completed an editorial fellowship with the New England Journal of Medicine. Lisa completed a fellowship in advanced sinus and skull-base surgery at the Guy’s and St. Thomas’ NHS Foundation Trust in London, England, and is currently pursuing a doctoral degree in clinical epidemiology from Erasmus University Medical Center Rotterdam in the Netherlands. Her research focuses on establishing cost-effective approaches to medical and surgical interventions for the head and neck, predictors of outcomes in malignancies of the head and neck, and novel treatment strategies for diseases of the nose, paranasal sinuses, and skull base.


Anusha Gandhi is a Patient Advocate in the Pelvic Pain space and Ottawa Hospital. She holds various advisory board positions for start up companies developing new technologies in the medical space. Anusha graduated from Carleton University with a Masters of Neuroscience and went on to spend over 15 years in biomedical sales, and recently in femtech. In 2022 Anusha opened the doors to Femade Pain Management Center, Ottawa’s first multidisciplinary centre offering allied healthcare to those with chronic and acute pain, with a focus on gynecological and invisible illnesses. Her mission is to provide a safe space to break down barriers around taboo topics such as menstrual health and mental health.


Brian Huskins is an established community leader in patient engagement in the voluntary health care sector. With over 30 years of experience working with community-based health and social organizations, he has served on many advisory committees as a patient representative at the local, provincial, national and international level. A snapshot of his involvement would include patient representative on the Consumer Advisory Committee with the Canadian Blood Services; civil society representative with the Canadian delegation to the United National General Assembly Special Session on HIV/AIDS; the 3x5 Evaluation Steering Committee with the World Health Organization; and, multiple patient consultations on best practices and access to services with various levels of health administration, government and organizations focused on the social determinants of health.

As an Ontarian living with HIV, asthma and COPD; Brian is familiar with the challenges of the healthcare system; engages with a wide variety of health care professionals on a regular basis in the management of these chronic conditions; and, maintains a broad network of patient organization contacts who function on the patient first principle of “nothing for us without us”.

Brian has written about HIV/AIDS, health and social issues for various publications and has published “Sexual Identity: The Journey Begins” and “Breaking the Skin: Tattooing and Body Piercing-Know the Risks”.


Trisha holds over two decades of experience in multinational companies in the Medical Device, Pharmaceutical, and Consumer sectors, including progressive leadership positions in strategic market access, technology assessment, and healthcare operations. Prior to her current role, Trisha spent over a decade at Johnson and Johnson, most recently as the Head of Clinical Operations - Office of the Chief Medical Officer. She is trained in the sciences, health finance and management, as well as innovation at Johns Hopkins Medical Institutes School of Public Health, Harvard Business School and the University of Toronto. Trisha is the past Chairperson, Executive Sponsor and Member of dozens of regional and global governance bodies including the JJCO Diversity and Inclusion in Research, JJMC Scientific Review Board, and the Canadian HTA Working Group. Early in her career, Trisha made local contributions to HTA through appointments on the Health Technology Assessment International Forum and the Canadian Alliance for Sustainable Healthcare.


Dr. John D. Parker received his medical degree from Queen’s University in Kingston Ontario in 1984. Following three years of training in internal medicine at Queens, he went to the Brigham and Woman’s Hospital in Boston where he completed five years of clinical and research training in cardiovascular medicine. He is Professor of Medicine and Pharmacology and at the University of Toronto and is a Senior Clinician Scientist within the Lunenfeld-Tanenbaum Research Institute. He is a clinical investigator with interests in vascular pharmacology, endothelial function, autonomic physiology, and renal dysfunction in heart failure. Dr. Parker is an invasive cardiologist and participates in a clinical program involving the assessment and management of patients with advanced chronic congestive heart failure.

Executive Vice-President, Clinical Support and Performance, University Health Network


Rebecca Repa is the Executive Vice-President of Clinical Support and Performance at the University Health Network. Her portfolio includes responsibility for Commercial Development (including Altum Health) Facilities, the Joint Department of Medical Imaging, the Laboratory Medicine Program, Performance, Pharmacy, and the Redevelopment and Sustainability Team.

Rebecca has an honours degree in Psychology, and a master of business administration from the Michael G. DeGroote School of Business at McMaster University. She also holds a part-time appointment as associate professor in the Department of Medicine, Faculty of Health Sciences, at McMaster University. Her academic interests include strategy development in complex systems and executive coaching for high performance. Rebecca is a board member with the International Outreach Program at St. Joseph’s Health System. She is past chair of the YMCA of Hamilton, Burlington and Brantford and a former board member for Albright Long Term Care.

Respirologist, University Health Network and Women’s College Hospital
Assistant Professor and Clinician in Quality and Innovation, University of Toronto


Aman Sidhu is a respirologist at the University Health Network and Women’s College Hospital and an assistant professor in the Department of Medicine at the University of Toronto. She completed medical school at the University of Ottawa, followed by residencies in internal medicine at the University of British Columbia and respirology at the University of Alberta. She also completed a master’s of science degree in epidemiology at the University of London in London, England. After additional fellowship training in lung transplantation at the Toronto General Hospital, she joined the Toronto Lung Transplant program as a staff respirologist. Aman runs an outpatient general respirology practice at Women’s College Hospital and is an innovation fellow within the Women’s College Hospital Institute for Health System Solutions and Virtual Care. Her research interests include the implementation and evaluation of health technologies such as telemedicine/virtual health platforms to improve access to and quality of care for patients with lung disease.


As an Ontarian living with an ultra-rare endocrine disorder since childhood, Maureen Smith is a frequent user of the province’s health care system. Maureen has been a patient member of Ontario’s Committee to Evaluate Drugs since April 2014, where she is involved in reviewing patient submissions and deliberating with other committee members in developing evidence-based recommendations. She is also a member of numerous other provincial, national, and international health care advisory groups and organizations in which she provides her perspective as a patient in areas such as health technology assessment, rare diseases, and patient-partnered research. She is also the chair of the Cochrane Consumer Network Executive. Maureen is a firm believer that meaningful patient engagement in all areas of health care and actively listening to all stakeholder perspectives will result in a better health care system for all people living in Canada.

Senior Scientist and Scientific Lead of Health Economics, Ottawa Hospital Research Institute


Dr. Kednapa Thavorn is a Senior Scientist and a Scientific Lead of Health Economics at the Ottawa Hospital Research Institute. She is also an Assistant Professor with the School of Epidemiology and Public Health at the University of Ottawa, an Adjunct Scientist at ICES (full status), and a Visiting Professor at the Faculty of Pharmacy, Chiang Mai University, Thailand. She holds a PhD in Health Services Research from the Institute of Health Policy, Management and Evaluation (IHPME), University of Toronto. She completed post-doctoral fellowship programs in Applied Pharmacoeconomics from the Li Ka Shing Knowledge Institute, St. Michael’s Hospital, and Health Services Research from the IHPME, University of Toronto. Her research focuses on health economics, health technology assessment, pharmacoepidemiology, health equity, care for people with complex needs, and population health. As a health economist, she has collaborated with patient partners, clinicians, researchers, and policymakers in Canada and other countries on various health services research and health technology assessment projects.  

Senior Scientist, The Hospital for Sick Children Research Institute
Professor, Institute of Health Policy, Management and Evaluation, University of Toronto


Dr. Wendy Ungar is a senior scientist in Child Health Evaluative Sciences at the Hospital for Sick Children Research Institute, professor at the Institute of Health Policy, Management and Evaluation, and affiliate scientist at the Institute for Clinical Evaluative Sciences. Dr. Ungar has a master’s degree in pharmacology and therapeutics from McGill University and a PhD in health policy, management and evaluation from the University of Toronto. Dr. Ungar holds the Canada Research Chair in Economic Evaluation and Technology Assessment in Child Health and is the director of Technology Assessment at SickKids (TASK), where she leads a program of research applying health economic methods to the pediatric population with a focus on genomics and neurodevelopmental disorders.


William Wong is an associate professor at the University of Waterloo. His research focuses on infectious disease modelling and health services and outcomes research, particularly in hepatitis B and C. William’s health services and outcomes research interests include quality of life, costing, and return on investment. His methodology research interests include advanced decision-analytic modelling techniques (such as discrete event simulation models and agent-based models) for health technology assessment, cost-effectiveness analysis, and pharmacoeconomic evaluation studies. William received his PhD in computer science (pharmacoinformatics) from the University of Waterloo and completed his postdoctoral fellowship in medical decision-making and health economics at the University of Toronto.

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