Special Project Facilitator,
Asian Development Bank
Warren has over 40 years of sustainable development and climate change experience from multilateral development banks, private organizations, and other international organizations. He first joined ADB in March 1988 and during the 15-year tenure, he undertook progressing roles from Environmental Specialist to Director of the Environmental and Social Safeguards Division. From 2003 to 2013, he worked at World Bank as Environment Director and Senior Advisor for Sustainable Development. During this period, he led the establishment of the Climate Investment Funds and supported the Senior Management on a range of issues such as climate change, biodiversity conservation, and institutional operations. He returned to ADB as Special Project Facilitator in September 2017. He has led the problem-solving function, keeping the accountability mechanism effective. He has also significantly contributed to ADB’s efforts in promoting climate initiatives through his support in the preparation of Climate COP 26 and will become Special Senior Adviser on Climate Change in the Office of the President in September 2022.