Joseph is Global Strategy Director for the non-partisan non-profit Citizens' Climate Lobby. He coordinates the building of CCL's citizen engagement groups on 5 continents, leads the Citizens' Climate Engagement Network and represents CCL in the Carbon Pricing Leadership Coalition, UNFCCC negotiations, and other UN processes. He is a member of the Executive Board of the UN-linked NGO Committee on Sustainable Development-NY and of the Policy and Strategy Group for the World We Want. He is also the founder of Geoversiv.net and the Geoversiv Foundation and the lead strategist supporting the high-level climate dialogue series Accelerating Progress, Advancing Innovation.