Dave Ramslie

Co-founder and Chief Operating Officer

Dave has worked in the field of urban sustainability for 20 years, as a planner, consultant real estate developer, and entrepreneur. Dave is known for developing some of the most significant carbon and green building policy in Canada and the United States. Dave brings to OPEN a unique insight into how cities can most effectively fight climate change.

Awards and Commendations:
2019 inducted as a member of “Canada’s Clean 50” for contributions to growing Canada’s clean economy.

2017 Canada Green Building Council’s Green Building Champion Award, recognizing outstanding contributions to advance the green building movement in Canada.

2014 recognized by the Natural Resources Defence Council as one of nine global leaders fighting climate change in cities.


Dave has a Master’s Degree in Urban Design from the University of Edinburgh, and an undergraduate degree in Economics and International Development. He is deeply dedicated to his bicycle(s) and amateur soccer.


Our team has decades of experience in green building innovation, software development, and business development.

With executive and management level experience in policy-making, real estate development, property management, architecture, energy modelling, product management, and business management, we have a holistic understanding of the building sector and the leverage points to create positive change.

OPEN Technologies grew out of the OPEN Green Building Society, a non-profit organization that has been developing open source software tools for the green building space since 2013. Today, OPEN Technologies and OPEN Green Building Society are affiliated organizations with a shared goal: to use data to shape a regenerative future for our cities.

Andrew Shopland

Software Developer

Charlotte Drache-Lambert

Director of Programs and Customer Engagement

Christian Cianfrone

Co-founder and Chief Decarbonization Officer

Daniel Eden

GRID Product Manager

Dave Ramslie

Co-founder and Chief Operating Officer

Donovan Woollard

Co-founder and Chief Executive Officer

Eesmyal Santos-Brault

Co-founder, OPEN
CEO, Quantified Citizen

Gaurav Vijayvargia

Senior Software Developer - Custom Projects


Floor Manager

Guillaume Hammadi

Senior Software Developer

Johanna Fulda

Senior Software Developer

Justin Belanger

Software Developer

Justine Wiklo

Business Analyst

M’Beth Schoenfeld

Data Scientist

Maia Smith

UX Designer

Ryan McCuaig

Senior Advisor, Technology