Our Staff


Paul Bubelis is the Executive Director of the Sustainability Network which he co-founded in 1997. He is a founding Director of Green Economy Canada and sits on the Policy Committee for the Ontario Nonprofit Network, and the advisory committees of the Masters in Conservation Leadership program at the University of Guelph and the Green Economy Bridging Program Advisory Council at Ryerson University.

Prior to his work at Sustainability Network, he served as Executive Director of the Ontario Environment Network and spent 5 years at Environment Canada managing a province-wide funding program. He has also consulted to grantmakers, government and NGOs. Paul obtained a biology degree from the University of Guelph, attended the University of Victoria and has a MSc from the University of Toronto.

LinkedIn Profile


Laura Hilderley is the new IT & Communications Coordinator and comes to Sustainability Network with over 7 years of communications experience in a variety of industries including the arts, non-profits, healthcare and real estate.

Laura holds a Bachelor of Commerce in Marketing and a Diploma in Graphic and Web Design. Her passions range from art to urban sustainability, reading, writing and community building.



James Chan is the Lead Bookkeeper at Beach Hill Bookkeeping which utilizes cloud based software to provide quality financial reporting for small startups. With over fifteen years of bookkeeping experience, Beach Hill Bookkeeping specializes in quality bookkeeping for small businesses and self-employed professionals.

He has been an accounting volunteer with Habitat for Humanity GTA, WoodGreen Community Services and JusticeNet and holds a Bachelor of Arts Honours – Management from the University of Toronto.


Sustainability Network Volunteer


A graduate of the Sustainable Business Management Program from Seneca College, Shruthi is deeply passionate about Sustainability and Corporate Social Responsibility. After 4 years of corporate experience in Financial Auditing & Due diligence reporting, Shruthi moved to Canada to pursue a career where she can contribute to creating social good. Through her experience with Sustainability Network, she hopes to hone her skills in the field of Communication & ENGO outreach and build lasting relationships. In her spare time, she enjoy reading, hiking, and exploring small towns.