Sam Kullar is the Director of Portfolio Growth at ClimateDoor, where he supports early-stage climate ventures through critical phases of scaling, funding, and partnership development.

As the founder of ClimCanada, a national nonprofit for climate founders, Sam built one of Canada’s most trusted ecosystems for mission-driven innovators. Now at ClimateDoor, he leads hands-on growth strategy for portfolio companies—connecting them with the right investors, collaborators, and customers to unlock traction.

With deep roots in community building and founder support, Sam brings a unique blend of empathy, strategy, and execution to help climate entrepreneurs thrive.