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.


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.

Our Volunteers


Khushbu is an Environmental Engineer, with a master’s degree from the Carleton University. Being passionate about her field, she gained experience in environmental consultancy firms, water/ wastewater sector, health and safety, project management, and various non-profit organisations focused on rural sanitation, local art, and poverty. She has also done research on solid waste management and tailing waste management. Apart from that, Khushbu likes to meditate and cook.