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Who We Are Centre for Addiction
and Mental Health

Executive Leadership Team bios

Dr. Catherine Zahn
President and CEO, CAMH
Dr. Catherine Zahn joined CAMH as President and Chief Executive Officer in December, 2009. Dr. Zahn stepped into this position at a critical time for the organization. CAMH’s bold transformation agenda includes its ambitious redevelopment project, integration and enhancement of clinical programs, expansion of research and innovation capacity, and continuing public education and social advocacy to challenge the stigma attached to mental illness and addictions.
Prior to this appointment, Dr. Zahn was Executive Vice President, Clinical Programs and Practice, at the University Health Network (UHN). She held senior leadership roles in that organization for 12 years. Previous UHN positions included Vice President and COO of Toronto Western Hospital (TWH), Program Medical Director for Neuroscience and Division Head for Neurology. She was the inaugural chair holder for the Krembil Family Chair in Neurology. Dr. Zahn’s reputation for hospital integration and her leadership of the renaissance of the TWH make her well equipped to lead CAMH during this pivotal time.
An honors graduate of the Faculty of Medicine at the University of Toronto (U of T), Dr. Zahn completed her residency training in neurology at U of T. Dr. Zahn is a Fellow of the Royal College of Physicians and Surgeons of Canada and a Professor in the U of T Faculty of Medicine. She is a Fellow of the American Academy of Neurology and is internationally recognized for her contributions to neurologic education and to standards of practice in neurology. Dr. Zahn earned a Masters in Health Science Degree in Health Administration at U of T and has made numerous contributions to health care in Ontario through leadership in technology assessment, chronic disease management and stroke care coordination.
In 2009, Dr Zahn  received the U of T Faculty of Health Policy, Management and Evaluation prize for Innovation and was recognized by the Women’s Executive Network as one of Canada’s 100 most powerful women in the professional category. In 2012, she was named Communicator of the Year by the International Association of Business Communicators.

Recent honors include a Doctor of Laws, honoris causa from Western University, London, Ontario in June 2014 in recognition of her exceptional contributions to mental health care and neurology.  In November 2014, Dr. Zahn was chosen out of an impressive pool of senior executives who have made, and are making a significant difference in their sectors for the cover of the Top 25 Women of Influence 2014 issue.   

Dr. Zahn continues to practice in her area of clinical and academic interest -- epilepsy and women with epilepsy.
Darrell Gregersen
President and CEO, CAMH Foundation
Darrell Louise Gregersen joined the CAMH Foundation as President and CEO on January 5, 2009. She came to CAMH from the National Arts Centre, where she was the Executive Director of Development and the CEO of the National Arts Centre Foundation in Ottawa. During the eight years she spent at the NAC, Darrell made a remarkable impact on performing arts and arts education fundraising. She created the NAC Foundation and recruited an exceptional board of trustees, built a talented and professional fundraising team, and implemented a comprehensive development program. The results have been remarkable-- she raised more than $42 million for the performing arts and education in communities all across Canada.
Before joining the NAC, Ms. Gregersen spent 15 years in healthcare development - her relationship with CAMH came through her work at the NAC Roundtables on Health and the Arts. Until 2000 she was Senior Director of Philanthropic Programs at The Hospital for Sick Children Foundation in Toronto, where she was responsible for directing a record-breaking $86 million Research Endowment Campaign.  She also initiated a comprehensive Major and Gift Planning program, raising over $20 million for the Foundation annually.
Dev Chopra
Executive Vice-President, Corporate Services and Redevelopment
As Executive Vice-President, Corporate Services and Redevelopment, Dev’s responsibilities encompass Finance, Human Resources, Information Management, Business Development, Support Services and the Site Redevelopment Project.
Prior to joining CAMH as Vice President Finance and Support Services in 2001, he held the positions of Vice-President of Finance at Ontario Hydro and Vice-President of Finance and Administration at Humber College. Over the years, Dev has served on a number of not-for-profit boards including the Yellow Brick House (a women’s shelter in York region), Toronto Community Foundation, and HEPCOE Credit Union. He currently serves on the CAMH Foundation Board.
Dr. Benoit H. Mulsant
Dr. Benoit H. Mulsant, MD, MS, FRCPC, DFAPA, is the Physician-in-Chief and Chair of the CAMH Quality of Care Committee. He is a Professor and Vice-Chair in the Department of Psychiatry at the University of Toronto and a Professor of
Psychiatry at the University of Pittsburgh.
Dr. Mulsant has authored and co-authored more than 300 journal articles and book 
chapters. He has been, and is currently, a principal investigator for several research 
trials on the treatment of psychiatric disorders in geriatric patients funded by the  
Canada Institutes for Health Research and the US National Institute of Health. The over-arching goal of his research work over the past two decades has been to improve the treatment of older persons with severe mental disorders. His scientific focus has been on designing and conducting clinical trials for “hard-to treat” older patients with severe mental disorders including those with psychotic depression, severe geriatric depression, late-life bipolar disorder and schizophrenia, Alzheimer’s Disease and other cognitive disorders. More recently, he and his collaborators have been involved in efforts to personalize treatments for late-life mental disorders based on advances in pharmacogenetics and neuroimaging.
Rani Srivastava
Chief of Nursing and Professional Practice
Rani Srivastava is the Chief of Nursing & Professional Practice at CAMH. In this role, she oversees the Professional Practice Department, which includes Professional Practice, Quality & Safety, Ethics, and Client Relations. Rani joined CAMH in 2003 as the Deputy Chief, Nursing Practice, bringing with her extensive experience in nursing practice, education, consultation, policy, administration, and research. Rani has developed practice guidelines for nurses and is frequently asked to be a workshop facilitator or speaker.
Rani also holds academic appointments: Assistant Professor, Lawrence Bloomberg Faculty of Nursing  and Associate member, School of Graduate Studies, University of Toronto as well as Adjunct Professor, York University School of Nursing. Rani’s formal education includes Bachelor of Nursing (with honours) from Dalhousie University (1981) and a Masters of Science in Nursing from the University of Toronto (1986) and a PhD (medical sciences) from the University of Toronto (2008).
Sarah Downey
Executive Vice-President, Clinical Programs
Sarah Downey has nearly 20 years of progressive leadership experience in various planning and operations roles in several academic health science centres in Ontario. In her most recent role as Vice-President Princess Margaret Hospital at the University Health Network, her responsibilities included all clinical and support services at Canada's largest comprehensive cancer centre. In addition to her Masters of Health Administration from the University of Ottawa, Sarah holds a Certified Health Executive designation at the Canadian College of Health Leaders. She has published several articles on hospital practices, spoken at numerous healthcare conferences and is an active volunteer in the healthcare community.
Dr. Bruce G. Pollock
Vice-President, Research
In his position as the Vice-President of Research, Dr. Pollock leads a team of more than 500, including 100 internationally recognized researchers investigating all aspects of mental illness and addictions, from the cellular to the social level. He is also the Sandra A. Rotman Chair in Neuropsychiatry at the Rotman Research Institute, Baycrest, and Professor and Head, Division of Geriatric Psychiatry with the faculty of Medicine at the University of Toronto.
Dr. Pollock's own research includes clinical treatment of depression and the behavioral disturbances of dementia; more broadly, he is concerned with improving our diagnoses and understanding of the social and biologic determinants of mental health and addictions. He has authored more than 300 published articles and has been recognized as a Distinguished Fellow of the American Psychiatric Association and received the Distinguished Investigator Award of the American Association for Geriatric Psychiatry (AAGP) for contributions to the body of research in geriatric psychiatry. Currently, Dr. Pollock is President of the AAGP, the first Canadian to serve in this position.
Dr. Ivan Silver
Vice-President, Education
As the Vice-President of Education at CAMH, Dr. Silver is responsible for creating a learning environment that will draw students and trainees to our hospital. He is dedicated to inter-professional collaboration, work-based learning, and linking health professional education to the principals of knowledge translation, quality and patient safety.
Dr. Silver is Vice Dean of Continuing Education and Professional Development in the Faculty of Medicine at University of Toronto. His strong credentials include a Masters of Education, and he works as an Educational Consultant with the Li Ka Shing Knowledge Institute at St. Michael's Hospital. In addition, he is a practicing psychiatrist at Sunnybrook Health Sciences Centre where his focus is geriatric psychiatry. Dr. Silver has built a national reputation as a skilled clinician and educator. Among his many awards and honours is the prestigious 3M Teaching Fellowship, a national award that recognizes outstanding contributions to university teaching across all faculties.
Lori Spadorcia
Vice-President, Communications & Partnerships
As Vice-President of Communications and Partnerships at CAMH, Lori’s portfolio includes Community Engagement, the CAMH Provincial System Support Program, Public Affairs and Strategic Planning. She also leads CAMH Public Policy activities and guides our government relations.  She is supporting the new alignment of mission critical activities which are designed to reflect the importance of integrating aspects of CAMH work that make us relevant and responsive to our many stakeholders. It brings together resources that support robust engagement with our local and provincial communities and it supports coordination of strong internal and external communications. Her work also involves partnering with many stakeholders to better position CAMH to make a sustainable system contribution in mental health.
Lori has a strong background in public affairs and stakeholder relations, as well as proven expertise in government relations and has worked with many of Canada’s senior federal and provincial government representatives.  At the federal government, she led such files as the negotiations with the provinces to spearhead the very first early learning and child care multilateral framework and Canada’s Innovation Strategy which brought the private and non‐profit sectors together with federal and provincial governments to implement a skills and learning action plan. In Ontario, she served as a senior advisor to Ontario’s Minister of Finance, where she had responsibility to advise on the creation and execution of the provincial budget.
Kim Bellissimo
Vice-President, Human Resources

Kim brings a wealth of experience in leadership development, change management and creation of innovative programs and services to CAMH in the role of Vice-President, Human Resources. Most recently the Senior Director of Human Resources at the University Health Network, Kim’s resume includes work in both the private sector and in the Ontario Public Service. Kim has led projects with broad organizational impact. Her major accomplishments include overseeing the merger of two health care facilities, developing the OPS Talent Management Program and enhancing people leadership capacity. She believes in a proactive and strategic approach to HR and has a great track record of building strong HR teams. Over her career Kim has also demonstrated a commitment to the concept of a learning organization. 

Tracey MacArthur
Vice-President, Information Management and Performance Improvement;
Chief Information Officer and Chief Privacy Officer
Tracey has more than 20 years of experience in academic health care and community care. A results-oriented leader, described as both visionary and pragmatic and demonstrating a bias for action, she a proven track record in leadership, team-building and commitment to quality. Recognized as an early leader in standards based project management, Tracey established and expanded one of the first health care project management offices in North America. Just recently at CAMH she completed the largest single Cerner implementation in Canada, which included the implementation of pharmacy, laboratory, registration, scheduling, electronic orders, clinical documentation and other functionality across all CAMH inpatient, outpatient and urgent care areas. In under two years, clinical information systems maturity at CAMH has shifted from the bottom 15% to top 1% of Canadian health care organizations.

Tracey earned an Honours Bachelor’s degree in Psychology from the University of Waterloo and a Master’s in Project Management from the Schulich School of Business. Prior to serving in her current role, she held positions within government, consulting, community and acute care, including Executive Director, Shared Information Management Services (SIMS), University Health Network. Other interests extend to Board and leadership roles in the areas of quality of care, community integration and privacy.​

Kristin L. Taylor
Vice-President, Legal Services and General Counsel

Kristin L. Taylor is the Vice-President, Legal Services and General Counsel for CAMH and is responsible for the oversight and provision of all legal services to the organization. Her team of 6 legal counsel addresses the legal needs of CAMH including litigation before the Consent and Capacity Board, Ontario Review Board, Human Rights Tribunal and all levels of Court. The legal team also addresses issues involving corporate-commercial agreements, all aspects of research  agreements, corporate governance, physician credentialing and risk management.  

Prior to joining CAMH in 2009, Kristin was a partner in the Health Law Group at Borden Ladner Gervais LLP, where she began her practice in 2001 upon her call to the bar. As a partner at BLG, she advised and represented a variety of healthcare institutions, including large healthcare institutions, on a wide scope of issues ranging from medical malpractice litigation, coroner's inquests, privacy law, physician credentialing, quality of care measures, risk management and general corporate advice. Since 2003, Kristin has been Faculty Chair of the Ontario Hospital Association's Principles and Applications of Health Law, and is a Co-Editor of the Canadian Health Law Practice Manual. She is a graduate of the Dalhousie Law School Class of 1999 in Halifax, Nova Scotia. 

David Cunic
Vice-President, Redevelopment and Support Services
As Vice-President, Redevelopment and Support Services, David is responsible for the CAMH Redevelopment Project along with the Environmental Services, Nutrition Services, Security and Parking, and the Facilities Planning and Maintenance portfolios. 

David is a professional engineer with an MBA that included an 8 month specialization in Project Management. He has previously led large healthcare redevelopment projects at Humber River Regional Hospital, The Credit Valley Hospital, and Bridgepoint Health. Prior to working for healthcare organizations, David was a project manager at Vanbots Construction for approximately 10 years.  

​​Hilary Rodrigues
Vice-President, Finance and Supply Chain

Hilary Rodrigues 

​Hilary comes to us from Royal Victoria Regional Health Centre in Barrie, where he has held the position of Vice President and Chief Financial Officer since 2011.  In this role, he had overall responsibility for Finance, Information Technology, Decision Support, Supply Chain and Business Development functions.  Prior to this role, Hilary has worked at several leading academic and community hospitals, including St. Michael’s Hospital, UHN and Trillium Health Centre, with progressively higher responsibility.  He has also served a brief term at the Mississauga Halton LHIN, and served on the Board of Central Ontario Healthcare Procurement Alliance (COHPA) between 2011 and 2014. 

Hilary holds a Bachelor of Commerce and Finance degree from the University of Toronto and is a Certified Management Accountant.  He is currently pursuing a Master of Health Management degree at McMaster University.  

Coming to CAMH is a bit of a “homecoming” for Hilary.  He was born and raised in the Ossington area and has an excellent understanding of the local community around our Queen Street operations.​​​

CAMH Switchboard 416-535-8501
CAMH General Information Toronto: 416-595-6111 Toll Free: 1-800-463-6273
Connex Ontario Help Lines
Queen St.
1001 Queen St. W
Toronto, ON
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Toronto, ON
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250 College St.
Toronto, ON
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Eight offices across Ontario