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Community Head Injury Resource Services

Board of Directors


Board of Directors:


Karen Sasaki, MSW, RSW, is a Social Worker at the Toronto Rehabilitation Institute and adjunct lecturer with the Factor-Inwentash Faculty of Social Work, University of Toronto. For more than 20 years, she has worked in the field of neuro rehabilitation with adult survivors of brain injury, their families, and community service providers. Karen received her Master of Social Work from the University of Toronto and is actively involved in the International Network of Social Workers in Brain Injury (INSWABI).

Vice Chair

Samantha Chapman, B.A (Hon), LL.B., is a proactive corporate and commercial lawyer at Morrison Brown Sosnovitch LLP. Samantha's practice has included incorporating and organizing both for-profit and not-for-profit corporations and charities. She provides strategic advice and representation to shareholders, directors and officers on various legal matters affecting the management and operations of both for-profit and not-for-profit corporations. Samantha has been involved in a vast array of transactions, including mergers and acquisitions, sale transactions and various types of contractual arrangements.

Recording Secretary

Stephen Birman, graduated from the University of Toronto law school in 2007. Stephen is an Associate Lawyer at Thomson, Rogers where his law practice is focused in Plaintiff personal injury and class action work. Stephen has successfully litigated claims on behalf of accident victims and enjoys representing plaintiffs in various capacities. Stephen is honoured to be a member of the CHIRS Board.

Treasurer and Corporate Secretary

Pat Southern is a Chartered Accountant who has held executive financial and administrative positions, including Chief Financial Officer, in several professional services firms and in public and private companies. Currently, Pat is Chief Financial Officer at Cassels Brock & Blackwell LLP. Pat has served in volunteer senior leadership positions as Treasurer, Director, and Chair of the Board with a variety of non-profit agencies, professional associations, and Trent University.


Martha Bell is a retired professional equestrian photographer and journalist. Since 2003, Martha has demonstrated unwavering commitment and perseverance in supporting a family member with brain injury. As an active family participant in CHIRS programs and services, Martha brings a unique perspective on the integral role that CHIRS plays in the lives of its participants and the larger community. In addition, her wealth of experience in navigating mental health and brain injury services and advocating for fair and equitable access to resources is a tremendous asset to the Board.


Esther Roche, B.Sc., M.S.W., J.D., is a lawyer and Social Worker, having obtained a combined J.D./M.S.W. from the University of Toronto in 2011. Esther also obtained a Bachelor of Science in Behavioural Neuroscience from McMaster University in 2006. Esther is an Associate Lawyer at Thomson, Rogers where her law practice is focused in Plaintiff personal injury and medical malpractice litigation. Esther is very happy to be included as a member of the CHIRS Board.


Janette Yuen, B.HSc (Hon), MMI, advises both for-profit and not-for-profit organizations on transforming their businesses to tackle the challenges of today and tomorrow in an increasingly digital world. She specializes in assessing and designing her clients' organization design and effectiveness, helping them manage short-term and long-term changes, leading business process redesign, and managing multi-year complex program initiatives. She has partnered with a wide array of clients, particularly in the health care and financial services industries.


Dr. Leanne Tran, J.D., M.D., is a health lawyer at JD MD Solutions. She was previously at a health law boutique and a global law firm. Leanne offers services at the interface of law, medicine and research with expertise in medical and scientific due diligence in personal injury, medical malpractice, class action and product liability matters. She is passionate about healthcare, improving patient outcomes and systems, and knowledge translation through legal avenues, education and research. Leanne has conducted research at several academic hospitals and at NASA.

People First
Dignity and Respect
Excellence and Quality
Integrity, Accountability, and Ethical Conduct
Flexible, Innovative, and Entrepreneurial
Accessibility and Inclusiveness
Ontario Local Health Integration Network
Funding for CHIRS is provided, in part, by the
Central and Central East Local Health Integration Networks and the Government of Ontario
© 2017 All rights reserved. Community Head Injury Resource Services (CHIRS) (416) 240-8000