Toru joined ADB in 2004 as the organization's first full-time climate change staff. He designed and established ADB’s Carbon Market Program including one of the world's first post-Kyoto carbon funds, led ADB's work to promote climate change technologies through venture capital funds, and helped establish various other initiatives focused on the nexus of climate change and energy security. In 2011 he was seconded to the UN Framework Convention on Climate Change Secretariat to help design the Green Climate Fund and the Climate Technology Centre and Network.