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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.

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, Clinical Programs
Prior to his current role as Executive Vice-President, Clinical Programs, Dev was CAMH's Executive Vice-President, Corporate Services and Redevelopment, with responsibilities encompassing Finance, Human Resources, Information Management, Business Development, Support Services and the Site Redevelopment Project.
Before 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. Mulsant has been the Physician-in-Chief at CAMH since 2007. As part of his responsibilities as Physician-in-Chief, he is the Chair of the Medical Advisory Committee, an ex-officio member of the CAMH Board of Trustee, and a trustee of the CAMH Foundation. He is also a Professor and Vice-Chair in the Department of Psychiatry at the University of Toronto and the Executive Director of the Medical Psychiatry Alliance.

Dr. Mulsant completed his MD at Université Laval (Québec), his psychiatry residency at the University of Pittsburgh, and a Master of Science at Carnegie Mellon University.

He has been and currently is a principal investigator or co-investigator for several research studies funded by the Canadian Institutes for Health Research, Brain Canada, and the U.S. National Institute of Health. He has authored more than 400 peer-reviewed articles and book chapters. Over the past two decades, the over-arching goal of his research work has been to improve the treatment of older persons who suffer from severe mental disorders.  His scientific focus has been on designing and conducting clinical trials for “hard to treat” older patients with depression and co-morbid physical illness, psychotic depression, bipolar disorder, schizophrenia, or Alzheimer’s disease and other cognitive disorders. More recently, Dr. Mulsant and his collaborators have been involved in efforts to identify neuroimaging, neurophysiologic, and genetics biomarkers of treatment response in these patients.

Dr. Mulsant has been listed in Best Doctors in America and Best Doctors in Canada.​

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.

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. 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

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.​ 

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

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.

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.​



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.

​​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.​​​

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Eight offices across Ontario