About Us

The Lighthouse Collective is a project that is building new pathways into the climate movement. Featuring space for artists and youth organizers, a guide program, and a growing map of connections to communities and community hubs across the city.

Who We Are

Stefan Hostetter

Stefan Hostetter is an expert community builder, skilled at aligning diverse communities through storytelling, mission-setting, and pragmatic ways to save our environment. As Centre for Social Innovation’s (CSI) Director of Community, Stefan is accountable for the sustainment & growth of CSI Spadina’s community programs and facilities. Additionally, Stefan serves as the Treasurer of the Toronto Climate Action Network, cohosts the Green Majority (a nationally syndicated climate-issues radio show), and co-produces the Stories We Don't Tell, the quintessential podcast diving into the lives of society, often left untold. 

Chloe Tse

Chloe Tse (she/her) is a climate justice organizer in Toronto and Lighthouse Collective’s Community Guide. Her roots are in the student climate strike movement and the bank divestment movement. Chloe also serves as a co-chair of the Toronto Climate Action Network and an organizer at Change Course.

Kathryn Tait

Kathryn Tait (she/her) is a designer, climate advocate, and the Collective Impact Specialist for this project. A settler born in Toronto, Kathryn is currently retracing her family lineages. A past Co-Chair and Steering Committee member of Toronto Climate Action Network, Kathryn has developed climate campaigns at Toronto Environmental Alliance, project-managed solar installations for Morgan Solar, and graduated from OCADU in industrial design.

Nadine Rijkhoff

Nadine Rijkhoff is our resident finance & operations scaling specialist, focused on building the backbone systems, processes, and roles needed to scale Lighthouse’s impact.  As a CPA and organizational change management expert, Nadine works globally to help organizations adopt new technologies, upskill their employees, and deliver impact across the triple bottom line. Currently, Nadine works as a Transformation Programs leader and head of employee engagement for OMERS Capital Markets Finance division.