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Our Executive Leadership Team

Our executive leadership team is comprised of experienced leaders who bring to MD a wide range of expertise and skills from many industries and disciplines including finance, technology and organizational effectiveness.


Brian Peters

Brian Peters

President and CEO

Brian Peters provides the vision and leadership that MD Financial Management needs to deliver on its mandate of assisting Canadian Medical Association members throughout their lifetime to achieve financial well-being, and build rewarding practices that deliver quality health care.

In 2006, Mr. Peters was chosen by the CMAH Board as the President and CEO of MD, based on his strong vision for the organization. He is steadfast in his belief that MD's ownership by the Canadian Medical Association uniquely positions MD to act in the best interests of clients, and to focus exclusively on helping physicians and their families. This conviction drives him to build stronger partnerships with the Canadian Medical Association and the provincial and territorial medical associations—all with the goal of delivering more significant value to members.

Mr. Peters started his career as a financial advisor at RBC Dominion Securities, moving steadily up the ranks to become President and CEO of RBC Dain Rauscher. There, he applied his strategic and business leadership to acquisition-based growth strategies.

Mr. Peters is a graduate of the University of Ottawa with a degree in Business Administration, holds a CFP designation, and is a member of the board of directors of the Investment Funds Institute of Canada and Opportunity International Canada.

Mike Gassewitz

Mike Gassewitz

Executive Vice President, Member Solutions

Mike Gassewitz is responsible for anticipating and meeting the needs of MD clients with best-in-class products and services. An experienced CEO and marketing leader with more than 20 years in the technology industry, he is responsible for driving product strategy, marketing programs and sales integration, as well as championing new opportunities to bring further value to CMA members.

Prior to joining MD, Mr. Gassewitz had an accomplished career in telecommunications and internet security. He built highly motivated teams and achieved outstanding success at Newbridge Networks and Alcatel-Lucent, and was CEO of Meriton Networks and Kindsight.

As the former CEO of an internet start-up, Mr. Gassewitz knows instinctively what it takes to be agile and to lead and compete with intensity. This agility enables him to drive product strategy so that more physicians can benefit from MD's best-in-class investment expertise, seize timely opportunities, pay lower fees and taxes, and achieve greater financial security.

In addition to being a seasoned executive, Mr. Gassewitz is a professional engineer, with a bachelor of applied science degree in electrical engineering from the University of Waterloo.

Daniel Labonté

Daniel Labonté

Executive Vice President, Member Experience

Daniel Labonté leads MD's national team of highly committed and skilled financial planners, advisors, specialists and support staff. He believes that leadership and continuous development of people is the key to delivering on MD’s commitment to operate in our clients’ best interests.

Mr. Labonté has gained deep leadership experience in the private, not-for-profit and public sectors over the past 30 years. Prior to joining MD, he led a number of international collaboration initiatives, including with the government of the People’s Republic of China. In his 15 years with MD Financial Management, he has led Marketing, Information Technology, Strategic Initiative and Financial Practice divisions. He was actively involved in a number of mergers and acquisitions (, Saxon Funds) and led Stratos Wealth Management, a successful pilot offering of financial services for non-physicians. He also managed MD’s first Initial Public Offering (IPO) of Saxon Financial Inc.

Mr. Labonté earned both a Bachelor of Science and an MBA from the University of Ottawa. He also achieved a Post-Graduate Certificate in Executive Coaching from Royal Roads University and is a member of the International Coaching Federation.

Michelle Masson

Michelle Masson

Executive Vice President, Early Career Segment

Michelle Masson is responsible for the design and delivery of services that meet the needs of medical students, residents and early career physicians. The Early Career Segment provides a trusted partnership to members from medical school through to the early stages of establishing their practice, assisting them through critical life transitions and helping them live their best lives today and tomorrow.

Ms. Masson also leads the highly skilled teams that focus on business strategy development, talent management and IT. She and her teams influence strategy, performance, leadership and culture at MD, engaging employees and empowering them to deliver an extraordinary client experience and strong business results.

Since joining MD in 2009, Ms. Masson has been a driving force in the organization's growth and transformation. With a passion for new and collaborative ways of working, she takes an integrated approach that has helped unlock the organization's full potential, and continues to create an environment that benefits both employees and clients: MD’s employees build satisfying careers and clients build trusted, long-term relationships with employees. Ms. Masson has also led new initiatives within MD, including developing the organization’s first dedicated Innovation Hub. Many new strategic approaches have sprung from this Hub, notably the business focus on the early career client segment.

Previously, Ms. Masson enjoyed a 15-year career in the technology sector, primarily in strategic planning and human resources. While chief executive officer of the consulting firm Reid Eddison Inc., she and her partners worked with early stage high tech executives to build strategy-driven, sustainable companies.

Ms. Masson is a graduate of the Rotman School of Management.

John Riviere

John Riviere

Chief Financial Officer
Executive Vice President of Organization Management

John Riviere provides financial stewardship for the organization, ensuring it remains financially stable while investing strategically to bring new value to CMA members. He oversees all aspects of financial reporting for the MD funds and PIM pools, regulatory compliance, and all tax and legal matters for the corporate group.

Mr. Riviere joined MD in 2012, bringing deep financial expertise and a strong member-value orientation. In his recent past, Mr. Riviere served as Senior Vice President and CFO for the Health Care of Ontario Pension Plan, one of the largest public pension plans in Canada. He has also held various roles within several large financial services institutions including CIBC, CIBC Mellon and Bank of Nova Scotia.

Mr. Riviere graduated from McMaster University (BCom, magna cum laude) in 1980 and earned his CA designation in 1982. He is also a graduate of the Wharton Business School, Advanced Management Program and is a Chartered Director (DeGroote School of Business).

Allison Seymour

Allison Seymour

Executive Vice President, Member and Community Engagement
President, CMA Foundation

Allison Seymour is responsible for leveraging the expertise and capabilities of MD’s Marketing, Client Experience and Partnership teams to create and foster connections within and across MD’s member, client and partner communities. In 2017, Ms. Seymour also assumed the role of president of the CMA Foundation (CMAF), a private foundation created by the Canadian Medical Association (CMA) in partnership with MD and Joule™, its two subsidiaries. The CMAF’s mission is to provide impactful charitable giving to registered Canadian charities that further excellence in health care.

Ms. Seymour joined MD in 2004, and has held various leadership positions in the areas of marketing, client experience, operations and strategy. She led the CMA Membership Marketing team to reach the 70,000-member milestone. She also led MD’s Trade Centre and Member Service Centre teams, as well as the Online Channel team. Ms. Seymour was also a core member of the Client Experience team, helping establish the strategy and programs that are foundational to MD’s growth. Most recently, she was Vice President, Partners and Alliances, working closely with the CMA and Joule to build high-value, long-term relationships with provincial/territorial medical association affiliates and other key organizations in the medical community.

Before joining MD, Ms. Seymour worked in high tech in various marketing, corporate development and HR roles. She has also worked for the Canadian federal government.

Ms. Seymour holds a BA in philosophy from McGill University and an MBA from the University of Ottawa.