Concave Summit 2025 - Speaker

Co-Founder and Managing Director, Ostara

Justin is a climate and biodiversity leader with over 25 years of experience across the private sector, finance, and civil society, including roles as Partner at Just Climate and Executive Director of the Tropical Forest Alliance. Recognised with an OBE for his contributions at COP26, Justin believes a radically new approach is essential. He founded Ostara with a conviction in our collective ability to innovate and dream ‘unreasonably large dreams,’ reimagining a very different future to address the increasingly complex challenges we face today.