Our startups develop solutions in areas such as:
Agri-tech
Technologies that enable sustainable farming and increased food production.
Advanced manufacturing
Technologies that help designers build better products.
Advanced materials
New materials engineered to improve existing products.
Energy
Solutions for storing, generating and distributing energy, and managing consumption.
Transportation
New ways to move people and products using eco-friendly fuel and vehicles.
Waste management
Technologies that treat and recycle industrial and household waste.
Water
Solutions for water purification and wastewater management.
Buildings
PropTech, ConTech, and CleanTech for a better built environment.
Carbon Management
Innovations to capture and utilize excess CO2, at scale.
The MaRS Climate ecosystem consists of entrepreneurs, investors, scientists, policy makers, corporates and world-renowned research institutions.
Tyler Hamilton
Senior Director, Cleantech

Tyler Hamilton is Senior Director of Climate at MaRS and guides all climate-related activities for ventures, corporate partners and investors, including the flagship Mission from MaRS program. He is also on the board of the Ontario Clean Technology Industry Association (OCTIA) and a member of the XPRIZE Brain Trust. Previous to joining MaRS, Tyler spent two decades as a journalist and wrote extensively about Canada’s clean technology sector and global cleantech trends. Most recently he was editor-in-chief of business and sustainability magazine Corporate Knights. He also spent 13 years at the Toronto Star, where he reported on Canada’s energy sector and wrote a popular weekly column on clean energy technologies and trends. In 2011, Tyler authored Mad Like Tesla, a book that examines the various barriers to clean energy innovation and surveys the landscape of some potentially world-changing clean technologies. A recipient of the Cleantech Group’s “Pioneer” award for his early writings on the sector, Tyler was also recognized in 2016 on Canada’s “Clean50” list for his thought leadership on clean energy and climate issues.
Ana Gonzalez Guerrero
Senior Manager, Climate and Cities

Ana is the Senior Manager, Climate and Cities at MaRS, where she leads the implementation of CAANZero, a pilot program seeking to unlock finance and increase capacity for small and medium municipalities advancing climate solutions. Prior to her role, she led an Innovation Fund across six countries through the Federation of Canadian Municipalities’ (FCM) Partnership for Municipal Innovation in Local Economic Development. Ana also worked closely with local-level actors through the Municipalities for Climate Innovation Program, supporting over 340 local governments in their efforts to act on climate across Canada. In 2017, Ana co-founded Youth Climate Lab, where she oversaw the operations, programs, and co-led the vision and strategy of the organization. She is the Vice-Chair of the Tamarack Institute’s Board of Directors, and served as an advisor to Canada’s National Adaptation Strategy. Ana holds an MSc Sustainability, Enterprise and the Environment as a Linbury Trust Scholar from the University of Oxford.
Ria Perrault
Manager, Climate Programs

Ria leads Mission from MaRS: Better Buildings and Public Procurement and supports a number of other Mission from MaRS projects and communications. She has spent several years working on environmental and policy issues in the built environment, and is driven by the need to create a more sustainable future. Ria earned an M.Sc. in Environmental Sustainability from the University of Ottawa in 2023, and previously graduated with high distinction from the University of Toronto with a B.A. in Architecture.
Niyat Gebreab
Senior Associate, Cleantech and Climate

Niyat is the Senior Associate, Cleantech and Climate at MaRS Discovery District where she works on engagement opportunities for ventures and investors, and leads Mission from MaRS programming dedicated to accelerating the commercialization and adoption of Canadian carbon removal solutions. She holds a B.A. with Honours in Environmental Studies and Cognitive Science.
Katherine Festeryga
Manager, Climate Programs (AgTech)

Katherine Festeryga holds nearly a decade of experience in both the public and private sectors, helping to shape policy and advocate for policy priorities in Canada. Katherine recently launched agricultural technology startup, Edie Farming, building Ontario’s first commercial rooftop greenhouses at scale which won the City of Toronto’s Women4Climate award in 2024. Previously, Katherine was on the policy and communications team at Sidewalk Labs - a landmark Google company that applied forward-thinking urban design and cutting edge technology to the world’s biggest challenges. Prior to Sidewalk Labs, Katherine led legislative and strategic policy communications for NAFTA negotiations and Buy American tariffs for the Province of Ontario at the Ministry of Economic Development and Growth. Katherine holds her Master’s of Public Policy, specializing in climate impacts on food supply at Northwestern University and is a University of Western Ontario graduate with a BA in History and double major in Political Science, as well, she currently sits on the board of North York Harvest Food Bank.
Sophie Meslin
Associate, Climate Programs

Sophie is the Associate, Climate Programs at MaRS, where she supports programming to advance a more sustainable, competitive and resilient agri-food system in Canada. Prior to joining MaRS, she was a venture capital analyst at BDC, supporting founders scaling low-carbon solutions. She previously consulted on agri-food carbon insetting programs at FoodBridge, designed corporate ESG strategies at SLR Consulting, and supported the development of The Carbon Guild at Viresco Solutions, a digital platform designed to improve producer access to verified carbon markets. Sophie holds a BComm from Queen’s University, where she focused on sustainable finance and systems change.
Olivia Lang
Coordinator, Climate Programs

Olivia is the Climate Programs Coordinator at MaRS where she helps advance the Mission from MaRS: Better Buildings program working with ventures to scale decarbonization solutions in Canada’s building sector. Prior to joining MaRS, Olivia worked with cleantech innovators at Intelligent City, coordinated sustainability engagement programs in partnership with the City of Vancouver, and led a business consultant team on sustainability strategies for Racing to Zero. Olivia holds a Masters of Business Management from the University of British Columbia as well as a BA in Human Geography where she focused on sustainability, urban planning and global affairs.
Mick Malowany
Senior Manager, Corporate Innovation

Mick Malowany is the Senior Manager, Climate with MaRS’s Corporate Innovation team. He focuses on facilitating discourse and fostering relationships between large corporate partners and the Canadian cleantech innovation ecosystem. The overarching purpose of his work is to accelerate adoption of cleantech solutions and advance the transition to a sustainable economy. Towards this purpose, Mick brings capabilities in scenario analysis, adaptive pathways, interdisciplinary collaboration, systems thinking, and institutional dynamics, as well as subject matter expertise in green infrastructure and urban sustainability. Prior to joining MaRS, Mick spent three years leading innovation strategy and human-centred design research projects with Deloitte’s D.Studio and Doblin consulting practices; and five years leading large technical implementations with IBM and Loblaw Digital. Mick holds a Bachelor of Science degree in electrical engineering from Harvard University and an MPhil in Engineering for Sustainable Development from the University of Cambridge.
Sue Talusan
Director, Climate Impact Accelerator

With twenty years of experience in data analytics, evaluation, research, design, development, and innovation, Sue is an expert in the end to end innovation process. While at MaRS, Sue has been the lead designer and project manager on complex projects and programs in the areas of social and municipal procurement innovation, systemic design, experiential futures, and social innovation. She is currently leading the design, strategy, and product development of an innovation ecosystem impact accelerator, and supporting the public procurement – net zero mission. Sue is also the Co-Founder and Director of Operations for Creative Reuse Toronto.
Ian Spence
Senior Manager, Business Development

Ian Spence is a Senior Manager in Business Development at MaRS. His work ignites meaningful relationships between Canada’s brightest climate tech ventures and the greater, national, and international corporate ecosystem. He is passionate about unlocking the potential of Canadian innovation around the world. His approach to adoption collides industry narratives and re-focuses the power of technology to build better societies and businesses, wherever they may be. Prior to joining MaRS, Ian had a multidisciplinary background with organizations in energy, advanced AR/VR, IT, and consumer technology. Ian has 15 years of experience in sales and marketing and holds a BA Double Honours in Biology and Geography, Wilfrid Laurier University.
Jon is an experienced founder, executive, and board member of private and public entities in energy, mobility, and alternative fuels. He was formerly the Senior Vice President of Venture Services at MaRS. Prior to leading the Venture Services Team, he was the Managing Director of the Cleantech Practice. He is also the founder of the MaRS Advanced Energy Centre.
Prior to joining MaRS, he led business development for Hydrogenics Corporation (now Cummins) through the launch of the company’s fuel cell and hydrogen generation divisions. He also co-founded Sustainable Energy Technologies (now Eguana Technologies), a leading Canadian provider of power electronics for the solar power industry. He has also served on the Energy Transformation Network of Ontario, on the Board of Directors of the Ontario Clean Water Agency, and on the investment committee for Arctern Ventures fund 2.