Board of Directors

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JONATHAN GUSS, BA (Econ), LLB           Chair

Former CEO, Ontario Medical Association (OMA)

Joined the PRI Board: 2012

Mr. Guss is an experienced leader and manager who provides consulting on strategy, governance and implementation of change. At present, he runs a consulting firm offering strategic advice to Boards and CEOs. His most recent executive role was Chief Executive Officer of the Ontario Medical Association (OMA) which serves and represents the 37,000+ physicians in the Ontario healthcare system. As CEO of the OMA for seven years, from 2005 through 2011, he led a staff of over 300 and worked with a Board of 25 physicians, focusing on planning and strategy, enhancing governance, implementing electronic medical records (EMRs) for over 9,000 physicians, and raising the level of physician leadership and public dialogue on healthcare system change.

Prior to 2005, he was President and CEO of Credit Union Central of Ontario, the $1.5 Billion central banking facility and association for the $20 Billion network of 200 credit unions in Ontario, which he led for over 12 years. He negotiated the merger with BC Central which created Central1, a thriving central bank for credit unions.

Mr. Guss has served on many financial services and healthcare boards. At present, he serves on the Boards of the Harvard University Alumni Association, the Pine River Institute, and Ecclesiastical Insurance, and as Past-President of the Harvard Club of Toronto and Chair of the University of Guelph’s Health for Life Advisory Board. Prior to his business career, Mr. Guss spent eight years in the federal government, five as a diplomat in the Department of Foreign Affairs. He holds an Honours BA in Economics from Harvard University and a law degree from University of Toronto. He is married and has two children.

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President, MarchFifteen Consulting

Joined the PRI Board: 2015

Ms. Pacuk is the President of MarchFifteen Consulting a firm that specializes in Strategic Talent Management. She has over twenty years of experience in her field and specializes in leadership and executive effectiveness. She is known to be an innovative and effective business partner.

As a coach and assessor, she focuses on leveraging her expertise and experience to assist her clients in making the desired impact. She has a reputation for candour and responsiveness. Adept at identifying game-changing priorities, she provides pragmatic advice and practical solutions for achieving individual, team and organization-wide goals.

As a consulting Partner, she engages Senior Teams in the alignment process, helping create a culture of collaboration and results-orientation. She works extensively with leading Canadian and international private and public organizations in finance and investment, insurance, aerospace, publishing and mining industries.

As a keynote speaker, Ms. Pacuk is charismatic and engages audiences with her awareness of current trends, subject matter expertise and thought provoking questions.

In addition to her law degree, Ms. Pacuk holds Masters Degrees in Industrial Sociology, Organizational Psychology and Adult Education. She also serves as a member of the Faculty for the University of Toronto’s MMPA program and is a member on the Board of Outward Bound Canada. She is certified in a variety of behaviour and personality assessments and is a Master Trainer in the Management Research Group (MRG) suite of tools.

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Executive Director and General Counsel at the Canadian Civil Liberties Association (CCLA) and the Canadian Civil Liberties Education Trust

Joined the PRI Board: 2009

Michael Bryant is a former Attorney General of Ontario who served a decade in the Ontario Legislative Assembly, and six years as a Cabinet Minister.  He was appointed head of the Canadian Civil Liberties Association in January 2018. Mr. Bryant is a barrister and  Ex Officio Bencher at the Law Society of Upper Canada. A former Minister of Aboriginal Affairs, Bryant is also a mediator and negotiator for First Nations, and Chair of the Public Accountants Council of Ontario.  Previously, he served as Special Advisor to Norton Rose Fulbright LLP, and as a commercial litigator at McCarthy Tetrault LLP.  In the '90s, he clerked for the Chief Justice of Canada, and served as Lecturer in Law at King’s College, London, and Adjunct Professor at U of T and Osgoode Hall. He is presently a Director at Pine River Institute, John Howard Society Ontario, and Prison Fellowship Canada.

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Joined the PRI Board: 2017

Claire Fainer has recently retired from her position as Executive Director of East Metro Youth Services [EMYS], an accredited community based child and youth mental health center in East Toronto and the Toronto Lead Agency for the MCYS Moving on Mental Health Transformation. While at EMYS Ms. Fainer led several key service innovations including community outreach programs with Chinese, Afghan and Syrian populations, Ontario’s Youth Outreach Worker Program, and Toronto’s what’s up walk-in clinic network.

Ms. Fainer was a key player at both the municipal and provincial levels in program development and implementation, serving on government and sector initiatives ranging from system design to pathways to care.  Her background includes many years of diverse work experiences with children, youth and families both in Ontario and Quebec to include community service centers, school social services programs, hospital-based psychiatric clinics and private clinical practice. She has also participated in a program designed to train indigenous community workers in Northern Quebec.

Ms. Fainer was a member of the Board of Directors of Children’s Mental Health Ontario serving as President of the Board, held the position of Chair, Community Advisory Board, Whitby Mental Health Centre, and was a member of the Board of Directors of The Welles

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Partner, Davies Ward Phillips & Vineberg LLP

Joined the PRI Board: 2016

Richard Fridman has been a partner with the law firm of Davies Ward Phillips & Vineberg LLP since 2004. He is a leading member of the firm's mining practice and has a broad range of experience in all aspects of corporate law and M&A, devoting a considerable amount of his practice to advising Boards and Board Committees on matters of corporate governance and various other legal issues.  Richard is called to the Bars of Ontario, Québec and New York.  He holds Bachelor of Civil Law (LL.L) and Bachelor of Common Law (LL.B.) degrees from the University of Ottawa where he graduated as the gold medalist, and a Masters of Law degree from New York University.  Before joining Davies in 2002, Richard worked as a management consultant with McKinsey & Company. He also clerked with the Honourable Mr. Justice Charles D. Gonthier of the Supreme Court of Canada in 1998.  He is married and has two children.

Having witnessed first-hand the devastation caused by addiction, Mr. Fridman became involved with Pine River because of his belief in PRI’s mission to improve the health, development, and quality of life of youth and their families struggling with addiction and related mental health issues. He considers Pine River’s ability to offer renewed hope to youth and families to be unparalleled. 

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Vice President and Global Client Partner - Financial Services at Capgemini 

Joined the PRI Board: 2015

Mr. Ghosh has more than 20 years’ experience in Technology and business consulting and outsourcing industry and worked  with large global enterprise clients in various leadership roles across US, Canada, Europe and Asia. His professional experience includes P/L management, digital transformation, client relationship management, business development and account management, marketing , strategic program delivery and organizational transformation.

Mr. Ghosh holds a Bachelor of Engineering from the Indian Institute of Engineering Science and Technology (IIEST), India and an MBA from the University of Massachusetts, USA. Mr. Ghosh  is also Executive Committee Member of the Institute of Corporate Directors (ICD) - Ontario GTA West Chapter since 2015.


Senior Advisor, Policy & Clinical Affairs, Pediatric Oncology Group of Ontario (POGO)

Joined the PRI Board: 2009

Dr. Greenberg is Senior Adviser, Policy & Clinical Affairs, and past Medical Director with the Pediatric Oncology Group of Ontario (POGO); at the University of Toronto, he is Professor of Paediatrics and Surgery and Emeritus Chair in Childhood Cancer Control; and at The Hospital for Sick Children, he is Senior Staff Oncologist and past Director AfterCare Program in the Division of Haematology/Oncology.

From 1991–1998, he was Chief of Oncology at The Hospital for Sick Children. From 1998–2008, he co-chaired the national Canadian Childhood Cancer Surveillance and Control Program. He is a previous North American President of the International Society of Pediatric Oncology. He is the author or co-author of 200 peer-reviewed papers and many book chapters. Grant funding has been from NIH, CIHR, and CCSRI amongst others. Current research interests include long-term overall and specific outcomes and quality of care for children treated for childhood cancer, and interventions to mitigate those outcomes.

In the mid-1980s, he was integral in the founding of POGO, a multidisciplinary collaboration of the pediatric academic centers delivering childhood cancer care in Ontario, established to provide a forum for participants in the care of childhood cancer. POGO advises the Ontario Ministry of Health on matters relating to childhood cancer. As a result of POGO's planning and advocacy, an integrated system of care for childhood cancer has been instituted, part of which is a network of aftercare clinics for survivors. This network follows consensus guidelines, and shares a common database that links adult survivors to their pediatric history, and incorporates physical, emotional and neurocognitive outcomes into the care pathways.

Dr. Greenberg was awarded the Order of Canada in 2001 in recognition of his outstanding achievements in the area of childhood cancer. In 2007, he was awarded the prestigious O. Harold Warwick prize, a National Cancer Institute of Canada Award of Excellence in recognition of his outstanding contributions to improving the survival and quality of life of children with cancer. In recognition of his contributions to Canada, the Queen’s Jubilee Medal of Honour and the Queen Elizabeth II Diamond Jubilee Medal were presented to him in 2003 and 2013, respectively

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Member, Human Rights Watch Canada Committee

Joined the PRI Board: 2008

Mrs. Hamm has been actively engaged in the advancement of charitable causes for the past twenty-five years. Her involvement has focused on education, social services and human rights. She has broad experience as a board member, campaign fundraiser and event organizer. As Board Chair of Earlscourt Child and Family Centre, she was largely responsible for the merger of Earlscourt and the West End Crèche to become the Child Development Institute, and was its first Board Chair. She continues to be an Advisory Board Member of Child Development Institute. Mrs. Hamm is a Member of Human Rights Watch Canada Committee and Past Chair of the Board of Directors and Executive Committee Member of the Human Rights Watch Canada. She is a Board member of  Pine River Institute and Board Chair of Pine River Foundation. Mrs. Hamm and her husband live in Toronto and have three adult sons.

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President & CEO, Crohn's & Colitis Canada

Joined the PRI Board: 2015

Ms. Mawani joined Crohn’s and Colitis Canada as President and CEO in April 2015.  With 15 years of experience in non-profit, private sector, hospital, and government roles, she is now turning her attention to making Crohn’s disease and ulcerative colitis stop. For life.

Ms. Mawani is an experienced leader and change navigator, guiding non-profits from vision to strategy to results. Applying her passion and enthusiasm to the Crohn’s and colitis community, she is deeply engaged with the issues that matter most to her constituents – finding cures and improving lives for the nearly 250,000 Canadians affected by these chronic diseases.

Ms. Mawani serves on the Board of Women’s College Hospital and is a member of the International Women’s Forum Canada (IWFC). She has also recently been appointed to Seneca’s Board of Governors. She has held a number of leadership roles, including President and CEO of the Canadian Women’s Foundation, Chief Development Officer and Executive Committee member at Civic Action, and CEO of the Aga Khan Council for Canada. Earlier in her career, she held key roles at the Ministry of Health and Long-Term Care, KPMG, and PricewaterhouseCoopers.

Ms. Mawani holds a Master’s Degree in Health Science/Health Administration from the University of Toronto, a Bachelor's Degree in Administrative Studies from York University, and a Diploma in Nuclear Medicine Technology from the Southern Alberta Institute of Technology.   

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Global Client Service Partner, Financial Services, Ernst & Young LLP

Joined the PRI Board: 2017

As a Global Client Serving Partner, Kevin is focused on leading EY’s Exceptional Client Service market strategy in the banking and capital markets sector.

Kevin has held various senior leadership positions at EY. Prior to his current role, he was in EY Global in the UK where he served as the Global Director of EY’s Office of the Chair Accounts program. In this role, he was responsible for developing and leading our major global client relationships strategy.

Kevin has also served as Global Markets Leader for EY’s Global Transaction Advisory Services (TAS) practice. As a member of the TAS executive committee, he was responsible for implementing a global client service and accounts platform.

In the US, Kevin served as the firm’s Americas Director of Business Development for Technology and Security and Risk Services, and before that, was Managing Partner of Business Development for the Canadian firm.

Kevin was also the Senior Vice President and Head of Origination in the capital markets division of a major Canadian bank. He successfully developed and implemented a Business Banking Board recognized global best practice relationship management approach.

Kevin is active in promoting board diversity, and mentoring young professionals. He also served on the board of the Learning Disabilities Association of Ontario.



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Dean and Professor at the Factor-Inwentash Faculty of Social Work, University of Toronto, cross-appointed to the Department of Psychiatry

Joined the PRI Board: 2016

Faye worked in children’s mental health for over 20 years and prior to joining the Faculty, she was Clinical Director of Integra, a children’s mental health centre serving children and youth with learning disabilities and psychosocial problems.  Faye is a graduate of the Canadian Institute for Child and Adolescent Psychoanalytic Psychotherapy and maintains a small private practice in psychotherapy and consultation. She holds the Margaret and Wallace McCain Family Chair in Child and Family. 

Faye has conducted research on bullying, cyber bullying, cyber counseling and the impact of cyber technology in traditional face-to-face counseling and interventions with vulnerable children and youth. Her scholarly publications have focused on bullying and cyber bullying, clinical practice and social work education and more recently on cyber technology in social work clinical practice.  Faye is the author of a book on bullying published by Oxford University Press in 2012 and is co-author of a book on bullying in Canada, published by Oxford University Press in 2015. 

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Partner, Auditing & Accounting at Worlrige Mahon LLP

Joined the PRI Board: 2016

John Sinclair is a Partner, Audit and Assurance, with Wolrige Mahon LLP providing business advisory and audit services to public and private companies in a wide range of industries. With more than 25 years of experience, John has worked on over 100 Initial Public Offerings and other related offering documents.

John is the Managing Partner of Wolrige Mahon’s Toronto office and is leading the growth of the firm in Toronto and Vancouver as a member of the firm’s Management Committee. He also serves as the International Business Leader to Baker Tilly International and in this capacity facilitates the in-bound and out-bound flow of international engagements for Wolrige Mahon in Canada.

John is married with three sons, one of whom is a successful graduate of the Pine River Institute program.


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Assistant Professor, Department of Family and Community Medicine, University of Toronto

Joined the PRI Board: 2013

Dr. Weisdorf is a staff Family Physician at St. Michael’s Hospital. She is an Associate Professor in the Department of Family and Community Medicine at the University of Toronto. In her clinical work, she practices as part of the Inner City programme at St. Michael’s Hospital. Her area of expertise is Addiction Medicine. The clinic at which she works provides care to the most marginalized populations; people with substance abuse disorders, HIV/AIDs, transgendered people, homeless and under housed, refugees and mental health disorders.

Dr. Weisdorf graduated with a B.Sc. in 1985 and a M.Sc. in 1987 from McGill University.  She completed her MD in 1991 from Memorial University of Newfoundland. She did her Family Medicine residency at the University of Toronto between 1991 and 1993. In 1995, she and her soon-to-be-husband went to Cleveland, Ohio where she completed a Fellowship in Addiction Medicine and Academic Family Medicine. The following year, they returned to Toronto, where she began working in the Department of Family and Community Medicine at the Wellesley Hospital. This was soon merged with St. Michael’s Hospital and she has worked at the same site since 1996.

Dr. Weisdorf has been involved in several community organizations, in various volunteer capacities and continues with this as a high priority in her values in giving back to the community. Dr. Weisdorf is married with two teenage daughters and a crazy yellow lab.

Advisory Group


Director, Camp Towhee, Integra Foundation


Former Executive Director, Covenant House




Former Chair, Donwood Institute


Executive Director, Operation Springboard


PRI Honorary Board Members


PRI Honorary Patron