Thomas Miller is the chairman of the International Commission on Missing Persons. In his nearly three decades as an American career diplomat, Ambassador Miller has held three ambassadorial appointments in the U.S. diplomatic service, including ambassador to Bosnia and Herzegovina, and Greece and special Cyprus coordinator. In addition, following his diplomatic career, Ambassador Miller headed three prominent nonprofit organizations, including his current position as President/CEO of the International Executive Service Corps, a nonprofit organization that promotes prosperity and stability in the developing world through private enterprise.

Thomas O. Melia was assistant administrator of USAID from 2015 to 2017. From 2010 to 2015 he was deputy assistant secretary of state bureau for democracy, human rights, and labor. He has held senior positions at Democracy International, Freedom House, and the National Democratic Institute for international affairs.

Thomas Roca is a researcher and statistician at the French Development Agency. Thomas is developing AFD’s research program covering well-being, human development and alternative welfare indicators, including Big Data for Development. Thomas’s field of work covers also data visualization and programming and he is developing AFD’s data visualization Web portal called AFD Country Dashboard.

Thomas Roca is a researcher and statistician at the French Development Agency. Thomas is developing AFD’s research program covering well-being, human development and alternative welfare indicators, including Big Data for Development. Thomas’s field of work covers also data visualization and programming and he is developing AFD’s data visualization Web portal called AFD Country Dashboard.

Thomas Schaetzel, PhD, is the director of nutrition for CARE USA. He has more than 25 years of programming experience in agriculture, health, and nutrition — primarily in South Asia and sub-Saharan Africa — focusing on micronutrient, maternal, infant, and young child nutrition. He leads CARE’s efforts to develop approaches to maximize scale of proven approaches for stunting reduction.

Thomas H. Staal has spent most of his career working overseas in international development. He has worked for USAID since 1988, beginning in Sudan as an emergency program officer. Since January 2014, he has been the senior deputy assistant administrator in the Bureau for Democracy, Conflict and Humanitarian Assistance and served as acting assistant administrator from February to August 2015.

Thomas Tighe has served as president and CEO of Direct Relief since 2000. He's formerly the chief of staff and chief operating officer of the Peace Corps.

Thomas Triomphe leads Sanofi’s vaccines business unit, which encompasses R&D and commercial operations and drives the teams’ commitment to prevention against infectious diseases. The Sanofi portfolio currently includes seasonal influenza vaccines, pediatric combinations, adolescent and adult boosters, and meningitis and travel/endemic vaccines, as well as ongoing development of the first preventive intervention against RSV for all infants, RSV vaccines for toddlers, improved vaccines against pneumococcal infections and yellow fever, and first-in-class vaccines against chlamydia infections and moderate to severe acne. Thomas joined Sanofi in 2004 and has held various positions at country, regional, and global levels.

Thorsten Kiefer is founder and CEO of WASH United, a Berlin-based nonprofit organization that works to end the global sanitation and hygiene crisis. He is a human rights lawyer turned toilet activist turned social entrepreneur. Thorsten is driven by the vision of a world in which we can talk openly about toilets, shit and hygiene, in which all people enjoy the safety and dignity of a toilet, practice hand washing with soap, and all women and girls get to manage their menstruation safely, in privacy and with dignity.

Thu-Ba Huynh is a senior technical adviser on environment and climate change at FHI 360. She has over 20 years of experience working in climate change governance, natural resource management, and social-ecological systems dynamics with the UNDP, FAO, the Asian Development Bank, international NGOs, and research institutions in Asia-Pacific, Africa, and Australia. Thu-Ba was a Fulbright scholar at Yale University and an Endeavour awardee at the University of Melbourne.