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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. Zahn was appointed President and CEO of the Centre for Addiction and Mental Health (CAMH) in 2009.  CAMH is Canada’s leading mental health hospital and the largest academic health science centre in the country focused on mental illness. Prior to this appointment, she held senior executive positions at the University Health Network for twelve years, most recently as Executive Vice President, Clinical Programs and Practice.

She received her MD (honors) from the Faculty of Medicine at the University of Toronto (U of T), where she completed her residency training in neurology.  She also holds an MSc in Health Administration from U or T.  Dr. Zahn is a Professor in the U of T Faculty of Medicine and a Fellow of the Royal College of Physicians and Surgeons of Canada.  She is a Fellow and former board member of the American Academy of Neurology and is internationally recognized for her influence on education and practice standards in neurology and has made numerous contributions to health care in Ontario through her leadership in hospital integration, technology assessment, chronic disease management, stroke care coordination and mental healthcare system improvement.

Recent honors accorded Dr. Zahn include membership in the Order of Canada, a Doctor of Laws (honoris causa) from Western University, London, Ontario and recognition as one of Canada's 25 most influential women.  She has also been awarded the U of T Faculty of Health Policy Management and Evaluation Prize for Innovation and has been named Communicator of the Year by the International Association of Business Communicators.

Dr. Zahn serves on a number of health-care related boards and committees, as well as on the Board of Governors of Upper Canada College.  She continues to practice in her area of clinical and academic interest, epilepsy and women with epilepsy.  She is a champion for the integration of psychiatry and neuroscience, working to steer mental illness into the mainstream of medicine and promoting equitable access to healthcare resources for people with mental illness.
Kim Bellissimo
Vice-President, Human Resources
Ms. Bellissimo brings a wealth of experience to CAMH in leadership development, change management and the creation of innovative programs and services.  Prior to joining CAMH, she held the position of Senior Director of Human Resources at the University Health Network.  Ms. Bellissimo has also been engaged in both the private sector and in the Ontario Public Service, and has led projects with broad organizational impact.

In terms of major accomplishments, Ms. Bellissimo has overseen the merger of two health care facilities, developed the OPS Talent Management Program and enhanced people leadership capacity.  She believes in a proactive and strategic approach to Human Resources and has a strong track record of building strong and effective teams. She is committed to the concept of a learning organization.

Dev Chopra 
Executive Vice-President, Clinical Programs
Prior to his current role as Executive Vice President, Clinical Programs, Mr. Chopra was Executive Vice President, Corporate Services and Redevelopment. His responsibilities were wide-ranging and encompass Finance, Human Resources, Information Management, Business Development, Support Services and the Site Development Project.

Prior to joining CAMH, Mr. Chopra was Vice President, Finance, at Ontario Hydro, and Vice President of Finance and Administration at Humber College.  He 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.  Mr. Chopra is currently a member of the CAMH Foundation Board 

David Cunic
Vice President, Redevelopment and Support Services
Mr. Cunic is the Vice President, Redevelopment and Support Services at CAMH.  A dynamic and results-driven strategic professional with over 25 years of private and public sector project leadership expertise, he is responsible for the CAMH Redevelopment Project, Environmental Services, Nutrition Services, Security, Parking, Leasing, Facility Planning and the Plant Operations and Site Maintenance portfolios.
He has been instrumental in leading CAMH’s transformational 25 year multi-phase redevelopment project.  He has successfully delivered the first two phases and expects to successfully complete the next phase in late 2019.  The final phase of redevelopment is expected to be delivered by 2025.  He has also led the development of a highly consultative and comprehensive Strategic Plan for the Support Services portfolio which will improve integration and support to clinical services.
A Professional Engineer holding an MBA with a specialization in Project Management, Mr. Cunic has previously led large healthcare redevelopment initiatives at Humber River Regional Hospital, The Credit Valley Hospital and Bridgepoint Health.  Prior to working in healthcare organizations, he was a project manager for a large general contractor where he led healthcare redevelopment initiatives.
Mr. Cunic is known for his project leadership proficiency, high quality of work, and successfully delivering tangible results.  He is committed to design excellence which incorporates beauty and functionality and developing robust support services which support excellent quality of care and improve the patient experience.

Darrell Gregersen 
President and CEO, CAMH Foundation
Darrell Gregersen
 Ms. 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, Ms. Gregersen 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.
Tracey MacArthur
Vice President, Information Management and Performance Improvement
Chief Information Officer and Chief Privacy Officer
 Ms. MacArthur holds a Bachelor of Psychology (honors) degree from the University of Waterloo, and a Masters in Project Management from the Schulich School of Business at York University.  Prior to serving in her current role at CAMH, she held positions within government, consulting, community and acute care.  She has been Executive Director, Shared Information Management Services (SIMS) at the University Health Network.  She has also held Board and leadership roles in the areas of quality of care, community integration and privacy.
With more than 20 years of experience in academic health care and community care, Ms MacArthur is a results oriented leader, and both visionary and pragmatic in team building and commitment to quality.  She was an early leader in standards based project management, and expanded one of the first health care project management offices in North America. 
Recently at CAMH, Ms. MacArthur 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 less than two years, clinical information systems maturity at CAMH has gone from the bottom 15% to the top 1% of Canadian health care organizations.
Dr. Bruce G. Pollock
Vice-President, Research
Dr. Bruce Pollock 
As the Vice-President of Research and inaugural Director of CAMH’s Campbell Family Mental Health Research Institute, Dr. Pollock has led an expansion of CAMH’s research enterprise.  He leads a team of more than 110 scientists and 500 research staff committed to making discoveries to improve the quality of life for people served by CAMH and beyond, through brain science, clinical research, and social and epidemiological research. Dr. Pollock also serves as Director, Division of Geriatric Psychiatry at the University of Toronto and Professor of Psychiatry and Pharmacology.
Dr. Pollock earned his MD from the Faculty of Medicine of the University of Toronto, and his PhD in pharmacology from the University of Pittsburgh, School of Medicine.  He is a practicing geriatric psychiatrist, listed in Best Doctors in Canada and Best Doctors in America and served as the President of the American Association for Geriatric Psychiatry.  Dr. Pollock's research includes clinical studies examining neurochemical selectivity, pharmacometrics and effects of conventional or newly derived agents for the treatment of depression and the behavioral disturbances of dementia.  He has published over 300 peer-reviewed publications and is listed by ISI as among the 1% most cited authors in geriatric psychiatry.
His research has been recognized by the Distinguished Investigator Award of the American Association for Geriatric Psychiatry, the Jack Weinberg Memorial Award for excellence in Geriatric Psychiatry from the American Psychiatric Association, the Award for Research in Geriatric Psychiatry by the American College of Psychiatrists, and the 2014 William B. Abrams Award in Geriatric Clinical Pharmacology from the American Society for Clinical Pharmacology and Therapeutics.   
Dr. Arun V. Ravindran 
Interim Physician-in-Chief

Dr. Arun Ravindran is the interim Physician-in-Chief of the Centre for Addiction and Mental Health (CAMH). He is a Senior Scientist in the Campbell Family Mental Health Research Institute, and Professor and Director of Global Mental Health and the Office of Fellowship Training at the University of Toronto. He is an Adjunct Professor of Psychiatry at the University of Ottawa and the National University of Malaysia, and is a Fellow of the Royal College of Physicians and Surgeons of Canada, and a Fellow of the Royal College of Psychiatrists of the UK.

Dr. Ravindran's wide-ranging research interests are in the areas of psychopharmacology and behavioural neurosciences, and his clinical focus is in mood and anxiety disorders. He is a two-time recipient of the R. O. Jones Research Paper Award from the Canadian Psychiatric Association, and is actively involved in humanitarian and capacity-building projects worldwide. He received funding from Grand Challenges Canada and the Canadian International Development Agency, and is a recipient of the Donald A. Wasylenki Award for international partnerships, education and social responsibility from the Department of Psychiatry, University of Toronto.

Hilary Rodrigues,
Vice-President Finance, Supply Chain and CFO
Hilary Rodrigues 
Hilary comes to us from Royal Victoria Regional Health Centre in Barrie, where he  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 Chartered Professional 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.​


Dr. Ivan Silver
Vice-President, Education
 Dr. Ivan Silver
Dr. Ivan Silver joined the Centre for Addiction and Mental Health (CAMH) in December 2011 as its first Vice President of Education. Prior to this he was the inaugural Director of the Centre for Faculty Development (2002-2009) and the Vice-Dean of CEPD (2005-2011) in the Faculty of Medicine. Dr. Silver is a full Professor in the Department of Psychiatry at the University of Toronto, and a practicing psychiatrist at CAMH where his focus is geriatric psychiatry.

Dr. Silver has built a national reputation as a clinical 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. He is a member of the Teaching Academy of the University of Toronto who have an advisory role to the Vice-Provost and the President of the University of Toronto regarding the quality of teaching.  In 2014, he was recognized by both the Royal College Physicians and Surgeons and the Canadian Association of Medical Education for his long standing contributions to medical education and related scholarship nationally. 

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 and related education, work-based learning including simulation and e-learning, enriching access to information for everyone at CAMH, linking education to clinical care, outcomes based education, enhancing education scholarship and innovation at CAMH, patient and family education, faculty development and linking health professional education to the principles of knowledge translation, quality and patient safety. He is continuing his education research and scholarship in the areas of feedback, professionalism, and continuing professional development. 

Lori Spadorcia
Vice-President, Communications & Partnerships
Ms. Spadorcia serves as the Vice President, Communications and Partnerships at CAMH. Her portfolio includes Community Engagement, Public Affairs, Public Policy, Strategic Planning and the Provincial Systems Support Program. She supports the alignment of mission critical activities which are designed to be responsive to CAMH’s many stakeholders and engaging partners and resources to better position the hospital to make a sustainable system contribution to mental health.
As a senior advisor to Cabinet Ministers at the Federal and Provincial level, Ms. Spadorcia played a key role in finding solutions that yield advancements in public policy.  At the Federal level, she led the negotiations with the provinces to spearhead the first Early Learning and Child Care Multilateral Framework, as well as Canada’s Innovation Strategy, which brought the private and non-profit sectors together with governments to implement a skills and learning action plan. In Ontario, Ms. Spadorcia served as a senior advisor to the Minister of Finance, where she advised on the creation and execution of the provincial budget.  
In addition to her role at CAMH, Ms. Spadorcia also serves on the national boards of Research Canada and the Canadian Executive Council on Addictions. A strong believer in investing in girls and women in Canada and internationally, she also serves as a Board Member of the global initiative G(irls)20.
As a policy and communications expert, Ms. Spadorcia is bringing awareness and understanding of mental illness to the broader public and working with governments and communities to develop policies to promote better health systems, support vulnerable populations and drive social change.

Rani Srivastava
Chief of Nursing and Professional Practice
Dr. Srivastava began her role as Chief Nursing Executive and Chief of Professional Practice at CAMH in 2010.  In this role, she oversees the Professional Practice Office, which includes Professional Practice, Quality and Safety, Ethics and Client Relations.  She also holds the position of Assistant Professor at the Lawrence Bloomberg Faculty of Nursing, University of Toronto, and Adjunct Professor at York University, Toronto and Dalhousie University, Halifax.
She is recognized as an industry leader in the area of diversity and cultural competence education.  Dr. Srivastava is the author and editor of a textbook entitled the Healthcare Professional’s Guide to Clinical Cultural Competence and has written several book chapters and articles on topics such as culture, religion, ethics, and family centered care. She is a passionate advocate for integrating issues of equity, diversity, and access into day to day practice, at the individual and organizational level and developing academic practice environments through evidence, inquiry, and scholarship.  She regularly serves as a consultant, speaker, and workshop facilitator for a variety of audiences.  
Dr. Srivastava received a Bachelor of Nursing with Honors from Dalhousie University and earned a Master of Science in Nursing, and PhD, from the University of Toronto.  She is a member of the executive committee for Academy of Chief Executive Nurses (ACEN) and serves on the board of Aurat Health Services, a non-profit agency dedicated to empowering South Asian women through education and community support.
Kristin L. Taylor
Vice-President, Legal Services and General Counsel

Ms. Taylor joined CAMH in 2009.  In her current role, she is responsible for the oversight and provision of all legal services at CAMH.  Her team of 6 legal counsel addresses all legal needs of CAMH including litigation before the Consent and Capacity Board, Ontario Review Board, Ontario’s Coroner’s Office, Human Rights Tribunal and all levels of Court including the Supreme Court of Canada.  She and her team also address CAMH’s legal issues involving corporate-commercial agreements, all aspects of research agreements, corporate governance, physician credentialing, privacy law and all areas of risk management.

Prior to joining CAMH, Ms. Taylor 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.  In her role at Borden Ladner Gervais, she advised and represented a variety of health care 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.

Ms. Taylor has served as Faculty Chair of the Ontario Hospital Association’s Principals and Applications of Health Law, Program Director for Osgoode Law School’s Mental Health Law Certificate course and is a Co-Editor of the Canadian Health Law Practice Manual.  She obtained her law degree from Dalhousie Law School.  Ms. Taylor was named one of Lexpert’s Rising Stars Under 40 in 2011 and was nominated as one of Canadian Lawyer’s Most Influential Lawyers in 2014.

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