Board of Directors
Diana Brouwer, FCPA
Chair
Diana Brouwer, who retired in June 2025 from Ernst & Young LLP (EY), is a highly respected former assurance partner with over 35 years of experience in the government and not-for-profit sectors, specializing in health care and education. As EY’s Canadian Not-for-Profit Leader, she made significant strides in the field, previously serving as the National Learning Leader where she championed professional development initiatives.
Diana’s deep commitment to community service is evident through her extensive involvement in various initiatives beyond her professional duties. She has held prominent leadership positions in esteemed organizations such as CPA Canada and CPA Ontario, and she notably chaired the Town of East Gwillimbury’s Physician Recruitment and Retention Committee from 2009 to 2013. Her philanthropic spirit is further demonstrated by her active participation with the Southlake Ladies in Philanthropy from 2011 to 2016.
A dedicated mentor, Diana is passionate about guiding individuals in their career paths, both within EY and in her local community. Her exceptional contributions to the profession and her community were recognized in 2020 when she received the prestigious Fellow of the Chartered Professional Accountants (FCPA) designation, the highest honor awarded to a CPA.
Since joining the Southlake Health Board in 2018, Diana has been instrumental in strengthening the organization’s governance. She has chaired the Board Committee on Quality (2024 and 2025) and the Finance, Property and Audit Committee (2022 and 2023), while also actively participating in the Governance and People Committee. Additionally, she served as Vice Chair of the Board for two years prior to her appointment as Chair in June 2025.
Diana resides in Sharon with her husband, Eric, and enjoys a vibrant family life with their two daughters, sons-in-law, and a granddaughter. As Board Chair, she is committed to advancing Southlake Health’s mission and upholding the highest standards of care for the community.
John Simmons
Vice Chair
John Simmons is a seasoned global healthcare executive with experience in both global leadership and country level general management roles. John was most recently the CEO of AceAge Inc, a Canadian based healthcare technology firm which was successfully sold to Norwegian private equity. Prior to AceAge, Mr. Simmons was the Canadian General Manager with Abbott Diagnostics. His career spans senior roles with Becton Dickinson USA and Canada, Philips Healthcare, Johnson & Johnson and KCI Medical and has been highlighted by a proven ability to build strong relationships with customers, industry groups, stakeholders, external partners and international affiliates.
Mr. Simmons has served on a number of Boards and was most recently Chair of the Board of Directors at Medtech Canada, a national association supporting Canada’s innovative medical technology industry. Previous board roles include serving on the Executive Committee and as Treasurer of the Board of Directors for the Juvenile Diabetes Research Foundation in Northern New Jersey. He holds a Bachelor of Science with Honours from Queen’s University and an MBA from Simon Fraser University.
He and his wife Sandy have lived in Newmarket for over 25 years where they raised their 3 children. In the past he was a busy volunteer with the Newmarket Minor Hockey Association and with Newmarket Minor Baseball.
Andrew Tamlin
Chair, Finance, Property & Audit
Andrew Tamlin, CPA is Chief Financial Officer of TWC Enterprises Limited – a publicly listed company. TWC is owner of ClubLink Corporation (based in King CIty, Ontario) – the largest owner and operator of golf clubs in Canada and is the former owner of White Pass & Yukon Route tourist railway, based out of Alaska. Mr. Tamlin has been with the TWC group of companies in varying roles for approximately 25 years, including as Controller. Mr. Tamlin was also appointed Chief Financial Officer for Morguard REIT in November 2018. Morguard REIT is a diversified real estate publicly listed REIT focusing on office and retail asset classes. Mr. Tamlin has been a local resident in Newmarket for the last 25 years.
David Greenwood
Chair, Foundation
David is a retired former senior executive with Canada Life and a 35-year industry veteran. He served on the Finance and Audit committee for London Health Sciences Foundation and until recently was a board member with South Georgian Bay Lake Simcoe Source Water Protection.
David has volunteered with Southlake Health Foundation since 2018. Past Chair of Finance & Investment Committee, Treasurer and most recently Vice Chair of the Foundation Board.
Chris Emanuel
Director
Chris Emanuel is the President and CEO for the Central York Chamber of Commerce representing businesses across Newmarket and East Gwillimbury. His friendly, open demeanour draws people in, but it’s his sharp, strategic thinking that keeps them there. It’s all about connecting the dots in the most dynamic way possible. And that’s not just good for business it’s great for the spirit of Central York.
Over the course of his career, Chris has held many leadership roles, including three terms as a Councillor in Newmarket. He also served as Chair of the Central York Fire Services and sat on the Board of Directors for the Federation of Canadian Municipalities. In the private sector, he was Director of Operations at Treefrog Inc. and prior to that, Director of Government Affairs at Bill Gosling Outsourcing.
Avanthi Goddard
Director
In her work career, Avanthi worked in the health care sector in the areas of financial and performance management, advancing good governance and accountability for results. management. For 24 years of her work experience she owned and operated a consulting practice specializing in improving organizational effectiveness to produce strategic outcomes and improving governance models and practices in the non-profit sector. She was appointed as a surveyor by 2 international Accreditation bodies for health care (Accreditation Canada and CARF International).
In her Board career, Avanthi has served on over 10 Boards since 1991, 3 as Board Chair. As a Board Chair she steered the recruitment process for new CEOs in 3 of the Boards served. She has also chaired Committees including Governance Committees, Strategic Planning Committees and the Audit/Risk Committees of the Board. Presently Avanthi serves on the Boards of Southlake and the Ontario Hospital Association.
Avanthi is also been appointed to serve on 2 Federal Treasury Department Audit Committees (Correctional Services Canada and the Public Health Agency of Canada) where the role includes providing objective advice and recommendations to the deputy head on the sufficiency, quality and results of internal audit engagements for risk management, control and governance.
Avanthi’s dedication to governance is further exemplified through her active participation in various initiatives aimed at improving governance. As a professional Board member, she obtained her ICD.D designation in 2016, served as an Executive member of the GTA Chapter of the Institute of Corporate Directors for the past 6 years, chaired the Non-Profit Program Committee of the Chapter, and in 2023 was appointed as Examiner for the ICD.D designation.
Avanthi resides in Newmarket with her husband Terry and is enjoying the new chapter in her life as a professional Board member balanced with family time as a new grandparent.
Marilee Harris
Director
Marilee has championed the cost-effective growth of a variety of businesses within telecommunications, energy, security, retail, educational and communications segments. Her skills involve strategic planning, brand strategy, marketing, and new product development.
During her career she has held executive positions for national and global organizations including VP Marketing TYCO Security International, VP International Marketing & Strategic Planning, Direct Energy, VP Marketing & Field Support, C1 Telecommunications, VP Marketing, Coles Book Stores/Chapters, Executive Director, Marketing, Hallmark Cards, as well as Director Communications, CBC Radio.
Her volunteer commitments included serving as Chair, Board of Governors, Seneca College of Arts & Technology. Ms. Harris has been involved with The Town of Aurora economic development for several years and in 2022 was appointed to the position of Board Chair of Aurora’s Economic Development Corporation.
In 2018, she joined the Southlake Health Board Quality Committee and in 2020 joined the Southlake Board and became a member of the Finance & Property Committee. Ms. Harris served as the Chair of the Board Quality Committee in 2022 and as of June 21, 2023, she is pleased to take on the role of Chair for the Southlake Health Board.
Dieter Jentsch
Director
Dieter Jentsch is a former Senior Executive at Scotiabank and 35-year career banker in Corporate Banking, Capital Markets, Commercial & Retail Banking in Canadian and International markets. While being part of the Bank’s Operating Committee, he served as Group Head of Global Banking and Markets and prior, as Group Head of International Banking.
He presently serves as a Corporate Director on various public and non -public boards including the Jim Pattison Group, Canfor Corp. Canfor Pulp Products Limited, Trailcon and Hana Bank Canada.
Dieter holds a Bachelor of Science degree in Agriculture and a Master of Business Administration degree, both from the University of British Columbia. He also holds a diploma from the Advanced Management Program from the European Institute of Business (INSEAD) and a diploma from the University of Toronto’s Rotman – ICD Directors Education program.
Dieter and his wife, Dr. Angela Ganstal (Chiropractor) live in King Township and have four sons who no longer live at home. They enjoy horses and outdoor activities such as skiing and gardening.
Carol Jardine
Director
Carol Jardine is a distinguished leader in the Canadian insurance industry, having retired as President of Wawanesa Mutual’s Canadian Property & Casualty Operations in 2023. She currently serves on the Boards of Aviva Canada, Tarion Warranty Corporation, and Southlake Health, where she contributes as a member of the Audit, Finance, Risk, and Governance Committees.
Over her career, Carol has held executive positions at several major insurance organizations, leading strategic technological and business transformations. She has played key roles in improving operational effectiveness and supporting organizational growth. Carol has been actively engaged in industry and community boards and committees, reflecting her commitment to good governance and public service.
Her achievements have been recognized with multiple industry awards, including the 2023 Lifetime Achievement Award from Insurance Business Canada and the 2022 National Established Leader Award from the Insurance Institute of Canada. A graduate from Rotman School of Management she holds the Institute of Corporate Directors designation and is a Fellow Chartered Insurance Professional.
Carol’s career is a testament to the impact of dedicated leadership and a forward-thinking approach. She is passionate about serving on not-for-profit and corporate boards, contributing her expertise to organizations across Canada. Today she lives on a farm in King Township and continues to be an active equestrian.
Trish Nixon
Director
Trish Nixon is a Human Resources and Organization Development leader with significant experience in the healthcare sector. She is currently the Senior Director of Learning and Development at Equitable Bank where she leads the strategy and execution of Enterprise Learning & Development and Talent Management. Prior to joining Equitable Bank, Trish led Talent and Organization Development including Recruitment, HRIS and Total Rewards at Trillium Health Partners (THP), where she was an advisor to the executive team and Board of Directors on human resources and change management matters, including organization performance and executive compensation. Trish was also THP’s Acting Chief Human Resources Office in 2019. During her tenure with PricewaterhouseCoopers (PwC), she led People & Organization Consulting at PwC in the Caribbean, based in Bermuda, working with Governments, Healthcare Systems, and Financial Institutions and served on the Board of Directors of the Bermuda Human Resources Association.
Trish received her Master of Public Administration (MPA) from Queen’s University and Bachelor of Arts (BA) from Wilfrid Laurier University. She completed her post-graduate certificate in Human Resources and received her HR Certification in 2010. Trish is also a Prosci-certified Change Management Practitioner and GALLUP-certified Leadership Strengths Coach. She has over 15 years of healthcare experience having started her Human Resources career in Employee and Labour Relations at Hamilton Health Sciences, followed by St. Joseph’s Healthcare Hamilton, and a secondment with St. Mary’s General Hospital in Kitchener. Trish also served on the Ontario Hospitals Association’s Human Capital Benchmarking Committee as an HR Analytics Subject Matter Expert. Trish chaired St. Joseph Healthcare Hamilton’s Enterprise Accessibility Committee and became the organization’s policy expert on AODA and the Broader Public Sector Accountability Act (BPSAA).
In 2021, Trish moved from Toronto to Newmarket with her spouse Ally and their 2-year-old son Max. They enjoy spending their free time at Riverwalk Commons, Fairy Lake, and going on road trips.
Kailey Vokes
Director
Kailey Vokes is a Vice President at StrategyCorp and delivers expert insights on infrastructure policy, government decision-making, and strategic stakeholder engagement, with over 15 years of experience across the public and private sectors. Most recently, she served as Vice President, Development Programs at Infrastructure Ontario, where she led the establishment and implementation of governance frameworks and program-wide strategies for major land development projects.
Kailey has also held senior leadership roles in the Ontario government, including Chief of Staff to the President of the Treasury Board, Director of Policy Major Projects in the Premier’s Office, Director of Policy to the Minister of Transportation, and Senior Policy Advisor to the Minister of Finance. In these roles, she was a trusted advisor to cabinet ministers and the Premier, managed high-performing teams, and advanced complex files through political turbulence and the machinery of government. Most recently as Chief at Treasury Board, Kailey was a driving force behind both the 2024 Budget and the 2024 Fall Economic Statement and played a key leadership role in major public sector labour relations files. Among other accomplishments, she led the development of significant reforms to Ontario’s heavily regulated auto insurance system and led the policy development for legislation to build transportation and broadband infrastructure faster.
Before joining the Ontario government, Kailey worked in public affairs for a major insurance provider and held political roles in the Government of Canada. She also has deep roots in the Ontario PC Party and with the federal Conservatives, having managed local campaigns and helped organize province-wide conventions.
Kailey holds a master’s degree in political management from Carleton University. She also holds a Bachelor of Arts with Honours in Political Science and a Bilingual Certificate in Public Administration and Public Policy from Glendon College at York University.
Derek Watchorn
Director
Derek Watchorn has a legal and business background. He was for many years a partner of Davies Ward Phillips & Vineberg in Toronto. Following this, he held senior executive positions with Canary Wharf plc. and TrizecHahn plc. located in London, England. Thereafter, for five years, he was the President and CEO of Revera Inc, a retirement and nursing home business based in Mississauga.
Currently, Derek is a director of two publicly traded companies listed on the TSX, a member of the Management Committee responsible for the development of the Buttonville airport in Markham, a member of the Advisory Committee for Graywood Developments Limited, a Toronto based real estate developer and the Chair of Polo For Heart, an annual charitable event held in Aurora.
Suzanne Wolfe
Director
Suzanne Wolfe is an experienced executive who recently retired as the Vice President of Organizational Development at Danaher Corporation, a global science and technology innovator headquartered in Washington D.C. During her 30-year tenure at Danaher, Suzanne held several leadership positions. As Vice President of Human Resources & Communications for the SCIEX business, a leading provider of mass spectrometry solutions, she pioneered the establishment of a Human Resources and Development function that spanned three continents: North America, Europe, and Asia. She facilitated the complex transfer of the manufacturing operations from Concord, Ontario, to Singapore and Shanghai, China, expanding SCIEX’s functional footprint. Suzanne led the acquisition and integration of three businesses in the US, the acquisition of two carve-outs from sister companies in the US and India, and the divestiture of a business in the US, as well as the closure of a product line globally. She successfully led the ISO 2000 certification for the quality management system (QMS). Under her leadership, SCIEX was ranked number 22 in the Globe and Mail’s Top 100 companies in 2002, a testament to her dedication to fostering a performance-driven and supportive workplace culture.
In 2010, Danaher formed a new entity through the merger of SCIEX and Applied Biosystems Corporation, and Suzanne led the due diligence and integration of HR functions across the new global footprint, requiring the acquisition of over 300 new associates in Sales, Service, and Marketing while exceeding the financial revenue and profit targets in the first year.
Suzanne moved to a corporate role within Organizational Development in 2015, leading major global initiatives. These include designing, implementing, and managing a global selection and development assessment framework, instituting a global coaching model and training curriculum, and installing a change management framework, including a model complete with training and certification processes. In 2022, she created and launched a new competency model tailored across all levels to support the company’s core values and performance-oriented culture.
Suzanne’s academic background includes a Bachelor’s degree in Psychology from the University of Waterloo and a Master’s degree in Adult Education from the University of Toronto. She is trained as an executive coach and is a certified change practitioner.
Sandra Wrycraft
Director
Sandra Wrycraft is a strategic leader with a unique balance of passion for both people and performance. With over 25 years of consulting and corporate leadership experience, she has made significant contributions across a broad spectrum of industries, from Fortune 500 companies to small start-ups. Sandra’s expertise lies in developing business and leadership strategies that consistently drive positive results at the organizational, team, and individual levels.
Prior to taking on her current role as Chief People Officer at Wave Financial Inc., Sandra successfully ran a management consulting practice where she specialized in strategic planning, executive and team coaching, and executive search. She began her career at IBM Canada in supply chain and business operations and subsequently held leadership roles in consulting, retail, and healthcare industries.
Having completed the ICD.D and GBC.D designation programs, Sandra is committed to serving on boards with a dedication to ethical leadership and responsible stewardship; rounding out her perspective on governance through her public sector board experience. She holds a BBA from Wilfrid Laurier University, an MBA from the Schulich School of Business at York University, and is a Professional Certified Coach (PCC) with a Graduate Certificate in Executive Coaching from Royal Roads University.
Southlake Staff Members
Paul Woods, MD
President & CEO
Secretary of the Board
Dr. Paul Woods is a senior health care leader with a wide range of clinical and executive experience in both Canada and the United States, highly regarded for his proven ability to lead positive change in complex environments.
Prior to joining Southlake Health, Paul served as the President & CEO of London Health Sciences Centre (LHSC), one of Canada’s leading academic hospitals, where he led the organization to achieve Exemplary Standing with Accreditation Canada for the first time in 12 years. Under his leadership, LHSC opened Ontario’s first publicly owned ambulatory surgery centre, as well as an Office of Health Equity through a new Diversity, Equity & Inclusion Strategy.
While working state-side as Senior Vice President at the not-for-profit system Trinity Health in Michigan, Paul led strategies that improved quality of care as well as enhanced patient and provider experience. Through strong engagement with physicians, nurses and other clinicians, he implemented successful initiatives at Trinity to serve more patients and improve health outcomes while promoting sustainability.
Paul has also held various other leadership roles in the health system including at Alberta Health Services, the University of Calgary’s Department of Family Medicine, and the Michigan Center for Clinical Systems Improvement.
His insights have been sought through Board appointments, most recently as President of the Board of Directors for Trinity Health Coordinated Care, a four state Accountable Care Organization. He has also served as a Board member of Chicago Mercy Hospital, the first chartered hospital in Chicago which focuses on serving disadvantaged populations.
Originally from Ontario, Paul obtained his medical degree from Western University after attending high school in Newmarket. He received his Master of Science degree from the Institute for Health Policy and Clinical Practice at the world-renowned Dartmouth College in New Hampshire.
A father of four adult children, Paul is married to Dr. Kristen Woods, a physician executive and business coach. He enjoys staying active with his two German Shepherds, cycling, playing hockey and golf.
Charmaine van Schaik, MD
Chief of Staff
Dr. Charmaine van Schaik trained in Paediatrics at McMaster University, after completing a Bachelor of Science in Biology and Psychology and Master’s of Science in Kinesiology. Since joining Southlake Health in 2004, Charmaine has acted as a Physician Leader at Southlake in multiple capacities, as well as the previous Chief of Paediatrics and Medical Director of the Pediatric Oncology Group of Ontario (POGO) Satellite Clinic when it launched at Southlake in 2009. More recently, Charmaine served on the Southlake’s COVID-19 Clinical Advisory Panel (CCAP) and is the Co-Medical Lead for Southlake’s COVID-19 Vaccination Committee, where she was instrumental in promoting community awareness through regular appearances in local media.
Dr. van Schaik advises Ontario’s Ministry of Health on pediatric cancer care as the Vice Chair of the Board of Directors at POGO and is a Lecturer with the Department of Paediatrics at the University of Toronto.
Charmaine is also a very proud mother of five children.
Karyn Popovich
Executive Vice President, Quality, Professional Practice and Patient Experience and Chief Nursing Executive
Karyn Popovich is a Registered Nurse who has worked more than 35 years in healthcare. She has held a range of clinical leadership and executive positions, including Vice President, Chief Nurse, Executive Vice President and most recently, CEO of North York General Hospital, which she led during the COVID-19 pandemic.
Karyn is a passionate champion of patient and family-centred care and the pursuit of excellence in quality and operational performance.
She holds an undergraduate degree from York University, a Master of Health Studies from Athabasca University in Alberta and a Master Certificate in Risk Management and Business Performance from the Schulich School of Business at York University. Karyn has also completed the Advanced Health Leadership Program at the University of Toronto’s Rotman School of Management. She is a certified Health Services Executive with the Canadian College of Health Leaders (CCHL).
In addition to her work as healthcare executive, Karyn has served an Adjunct Professor at the University of Toronto’s Bloomberg Faculty of Nursing since 2009 and an Accreditation Canada surveyor since 2011.
Medical Staff Association
Edward Chan, MD
President, Medical Staff Association
Dr. Edward Chan joined the Southlake Health Department of Emergency Medicine as a Courtesy Staff member in 2008 and then joined the Active Staff in 2010. Dr. Chan has been the Vice President of the Medical Staff Association since July 2012 and is currently the Physician Leader of the Emergency Program.
He completed his medical degree at the University of Ottawa and Family Medicine Residency at the University of Toronto. He holds a certification in Emergency Medicine through the Canadian College of Family Physicians. Dr. Chan has held positions in Kirkland Lake, Orillia Soldier’s Memorial and Royal Victoria Hospital, and St. Joseph’s Health Centre.
Kira Tone, MD
Vice President, Medical Staff Association
Dr. Kira Tone joined Southlake Health in 2017 as a full time Anesthesiologist in the Department of Anesthesiology. She is the lead of the pre-operative clinic lead and has a special interest in perioperative medicine. She is joining the Medical Staff Association as Vice president in 2022.
Dr. Tone attended medical school at the University of Sydney and went on to complete her residency in Anesthesiology at the University of Ottawa. Dr. Tone grew up in Newmarket and had always intended to return to Southlake after her years of training to serve her community.
Calendar
2025 Meeting Summaries
2024 Meeting Summaries
2023 Meeting Summaries
2022 Meeting Summaries
2021 Meeting Summaries
2020 Meeting Summaries
2019 Meeting Summaries
2018 Meeting Summaries
2017 Meeting Summaries
2016 Meeting Summaries
2015 Meeting Summaries