Marko attended the Stanford Graduate School of Business, Leading Change and Organizational Renewal Program, a strategic business program designed for promoting innovation, strategy and organizational leadership.

Marko is a member of the board of directors of Cota, a not-for-profit, community-based organization that supports adults with mental health and cognitive challenges to live well within their communities.

Marko was a director on the board of Mainstay Housing for a full term of six years, a member of its Housing Planning and Development Committee and former chair of its Governance Committee. Mainstay Housing is a non-profit agency which provides housing for mental health consumer-survivors, offering 867 units in a variety of housing options with varying degrees of support. Mainstay is the largest non-profit provider of supportive housing in Ontario with 41 residential locations across Toronto.

Marko was also a director on the board of the Institute of Competiveness and Prosperity, an independent, not-for-profit organization funded by the Government of Ontario that deepens public understanding of macro and microeconomic factors behind Ontario’s economic progress.