David Miller transformed urban climate action as the 63rd Mayor of Toronto, turning the city into a global environmental benchmark. With leadership roles at C40 Cities and WWF-Canada, Miller has consistently demonstrated how municipal governments can drive meaningful climate solutions.

As Managing Director of the C40 Centre for City Climate Policy and Economy, he bridges innovative policy development with practical urban sustainability strategies. Miller's expertise provides city leaders and organizations with actionable frameworks for addressing climate challenges, showing how strategic urban planning can create meaningful environmental and economic impact.