Susana Malcorra is the president and co-founder of GWL Voices for Change and Inclusion. She served as minister of foreign affairs and worship of Argentina from 2015 to 2017, and she was chief of staff to former U.N. Secretary-General Ban Ki-moon from 2012 to 2015.

Susan K. Barnett leads Cause Communications and is founder of the multifaith advocacy project, Faiths for Safe Water. She is an award-winning ex-investigative journalist with the network news magazines PrimeTime Live, 20/20, and Dateline NBC.

Susan M. Blaustein is founder and director of WomenStrong International, a consortium of non-governmental organizations in five countries dedicated to eradicating extreme urban poverty by enabling women and girls to live healthy, fulfilling lives. Prior to starting WSI, she co-founded and directed the Millennium Cities Initiative, a project of the Earth Institute at Columbia University committed to sustainable urban development across sub-Saharan Africa. Blaustein has also served as a senior consultant and analyst with the International Crisis Group, worked with the Coalition for International Justice, and reported on conflict, politics, economics, and social injustice from the Balkans, Southeast Asia and Washington, DC, for such publications as The New Yorker, Harper's, The Wall Street Journal, The Nation, The New Republic, and the Los Angeles Times.

Susann is a senior social development specialist at the Asian Development Bank and co-led the preparation of ADB’s Operational Plan for Health 2015–2020, which aims to double ADB’s health sector operations by 2020. Besides the strategic work, she focuses on increasing ADB private sector health investments. Susann also holds a position as adjunct associate professor at National University of Singapore, Lew Kuan Yew School of Public Policy.

Susanna Moorehead is chair of the OECD DAC. She has previously served as British ambassador to Ethiopia, Djibouti, and the African Union, and as an executive director at the World Bank.

Susanna Mudge is the president and CEO of Chemonics International. Mudge is the fourth CEO and first woman to serve in this role since the company’s founding in 1975. She joined Chemonics in 1992 as a director of some of the company’s larger programs, and later served as acting chief of party, senior vice president of the Latin America and Caribbean region, and executive vice president. She has in-depth global expertise in strategic private sector development, organizational development, trade and investment promotion, and sustainable natural resource management.

Susannah Birkwood is a U.K.-based freelance journalist and media and communications consultant who has worked for international organizations including WWF and Plan International.

Susannah Hares has worked with Ark since 2011, serving first as its international director and now as senior adviser. Before joining Ark, she worked in corporate philanthropy at an investment bank and for an NGO in Kenya.

Susannah Horton is an intern at Athena Infonomics, a policy research and development analytics firm which leverages data and social science research to solve development and inclusive growth issues globally. Her interests include technology for development, education, and impact evaluation. She has experience in rural China and urban India and is currently pursuing her MA in international economics and development at the Johns Hopkins School of Advanced International Studies (SAIS), Washington, D.C.

Susannah Schaefer is executive vice chair and CEO of Smile Train, an international organization focused on providing free cleft lip and/or palate surgery, and comprehensive cleft care to children in the developing world. In her role as CEO, she leads Smile Train's vision to expand access to health care and increase local capacity in countries in which Smile Train helps children.