
Pioneers in Sustainable Paths for Carbon Valorization
We are global experts in waste transformation using thermal processes, such as pyrolysis, to valorize and commercialize the carbon from these wastes using out-of-the-box thinking and strategies.
Our mission is to actively collaborate with businesses, cities, and governments around the globe, driving the adoption of effective and sustainable carbon solutions that safeguard the long-term health and well-being of the environment and our global communities.
GECA’s Purpose
We empower carbon management action.
Imagine a world where companies don’t just minimize their environmental impact—they regenerate the planet. Where sustainability is an investment in our shared prosperity.
At GECA, we’ve been turning this vision into reality for over a decade.
We see waste as an opportunity for growth, proving that sustainable practices fuel innovation, drive economic success, and create lasting value for businesses and communities.
Through advanced thermal waste processing and innovative carbon management strategies, we redefine sustainability. We help businesses regenerate the earth, restore ecosystems, and promote sustainable materials.
At GECA, we’re catalysts for change, tangibly showing that sustainability is the key to a thriving future for all.
Team
Meet the experts driving innovation at GECA. Our team’s knowledge and experience turn sustainability into profitable solutions.
Get to know us!

CEO and founder, Technical and scientific affairs
Suzanne Allaire
PhD

CFO
Michel Poissant
CPA

Carbon quality manager
Perrine Legoube
M.Sc.

Project Manager: Technology and engineering
Brenda Alvarez
PhD

Chemical engineering
Ibrahim Gulyurtlu
PhD

Agricultural and carbon project analyst
Sofie Dejaegher
M.Sc.

Project Associate, Chemical Engineering
Renaud Blanchet
M.Sc.

Mechanical engineer
Bluvin Ravindran
Ing

Technical support, Industrial Engineering
Come-Henri Davy
B.Sc.

Admin officer
Linda Racine

Co-owner and Director, business development & carbon
Melissa Leung
B.Sc.

Project Manager, Developing Countries
Boris Merlain Djousse
PhD
Working at GECA
Join the movement for a greener future
Do you dream of creating a lasting impact on the planet by championing restorative and regenerative solutions, reducing emissions, and protecting nature from human waste? If so, GECA could be the place for you.
Are you the go-to person in your circle who’s always buzzing about composting, biochar, or recycling innovations? We want your passion and expertise on our team.
Do industrial sites fascinate you, sparking curiosity about their efficiency and environmental impact—and leaving you brimming with ideas for improvement? If this sounds like you, we’re meant to work together.