Ishac Diwan is the research director of the Finance for Development Lab at the Paris School of Economics. He is also in charge of the political economy program of the Economic Research Forum, an association of Middle East social scientists. Ishac teaches economics at the École Normale Supérieure in Paris. He has held in recent years teaching positions at Columbia University's School of International and Public Affairs, and Harvard Kennedy School. Previously, Ishac worked at the World Bank, where he held positions in research, policy advice, and management.

Isher Judge Ahluwalia is chair of the Indian Council for Research on International Economic Relations, where she also leads the Research and Capacity Building Program on Urbanization in India. Previously, she chaired the High-Powered Expert Committee on Urban Infrastructure and Services, and is currently a board member of the Urban Institute of India.

Ishita Ahmed is a research assistant at the University of Virginia.

Ishita Petkar is the policy director at the International Accountability Project. IAP is an international human and environmental rights organization that works with communities, civil society, and social movements to ensure development is community-led. Ishita leads IAP's advocacy to promote policies and practices at development banks that fulfill communities’ rights to information and development.

Isis Alvarez is a biologist from Colombia with a Master of Science in environment and resource management who is currently working for the Global Forest Coalition as senior gender adviser and Unsustainable Livestock Campaign coordinator. She is experienced in working with different local and international environmental NGOs in Latin America, Europe, and Africa, involved in projects dealing with biodiversity conservation, ecosystem restoration, nature and poverty, social and environmental justice, gender equality, and sustainable development, to name a few.

Iskander Erzini Vernoit is a researcher at E3G, where he works on climate policy and aligning finance with the Paris Agreement. Within this, his areas of focus include international financial institutions and development finance. Prior to joining E3G, Iskander worked as a negotiator and project officer in climate diplomacy for the Kingdom of Morocco, where he supported the Moroccan presidency of COP22.

Ismahane Elouafi, Ph.D., is executive managing director of CGIAR, a global research partnership for a food secure future. Previously, Ismahane served as chief scientist at the Food and Agriculture Organization.

Isobel Coleman is a senior fellow at the Council on Foreign Relations where she serves as director of the Civil Society, Markets and Democratic Initiative, and the Women and Foreign Policy program. Her areas of expertise include democratization, civil society, economic development, regional gender issues, educational reform and microfinance. Before CFR, Coleman was CEO of a healthcare services company and a partner with McKinsey & Co. in New York. She also serves on several nonprofit boards, including Plan USA and Student Sponsor Partners.

Itay Mashiach is an independent journalist and data journalist. Formerly the Berlin correspondent for Israel's best-selling daily newspaper, Yedioth Ahronoth, his topics include political and social issues in Israel and Germany.

Ivan Menezes joined Diageo in 1997 and held various senior management positions with Guinness and then Diageo until 2004 when he was appointed president of Diageo Venture Markets. Prior to his appointment as COO in March 2012, Menezes was president and CEO of Diageo North America for eight years. During this period he was also made chairman, Asia Pacific from October 2008 and chairman, Latin America & the Caribbean from July 2011. In September 2017, he became chair of the CEO Group at the International Alliance for Responsible Drinking, a global not-for-profit organization dedicated to addressing harmful drinking and promoting responsible drinking.