John Groarke is USAID Mission Director in Haiti since August 2013. An expert in international law and counter-insurgency, he previously served in hotspots like Afghanistan, Iraq, Egypt and Morocco, as well as senior legal advisor for West Africa and South Asia.

John Hattie is an Emeritus Laureate Professor at the Melbourne graduate school of education at the University of Melbourne, co-director of the Hattie Family Foundation, and chair of the Board of the Australian Institute for Teaching and School Leadership. His areas of interest are measurement models and their applications to education’s problems, and models of teaching and learning.

John Hendra is former deputy executive director for policy and program at UN Women. He is now serving as Senior Coordinator, UN “Fit for Purpose” for the Post-2015 Development Agenda.

John Hewko is the general secretary of Rotary International and The Rotary Foundation. From 2004 to 2009, Hewko was vice president for operations and compact development for the Millennium Challenge Corporation, a U.S. government agency established in 2004 to deliver foreign assistance to the world’s poorest countries. At MCC, he was the principal U.S. negotiator for foreign assistance agreements to 26 countries in Africa, Asia, South America, the Middle East, and the former Soviet Union. As general secretary, Hewko leads a diverse staff of 800 at Rotary International’s world headquarters in Evanston, Illinois, USA, and seven international offices.

John Hoddinott is the H.E. Babcock Professor of Food and Nutrition Economics and Policy at Cornell University.

John Kohler is the director of impact capital at Santa Clara University’s Miller Center for Social Entrepreneurship.

John Kofi Agyekum Kufuor was the second president of the Fourth Republic of Ghana and chairperson of the African Union. He has also championed efforts to end hunger, becoming a partner in 2008 in the World Food Programme’s Fill the Cup drive to provide nutritious school meals to millions of hungry children, and was a joint winner of the World Food Prize 2011. He is currently the chairman of the Sanitation and Water for All partnership and a special envoy for the Partnership on Neglected Tropical Diseases.

HE John Agyekum Kufuor was the second president of the Fourth Republic of Ghana (2001–2009) and chairperson of the African Union (2007–2008). He is co-chair of the Global Panel on Agriculture and Food Systems for Nutrition. He is a nutrition champion and, as such, won the 2011 World Food Prize for his advocacy together with President Lula of Brazil.

John Lechleiter is the president and CEO of Eli Lilly and Company. He became chairman of the board of directors in 2009. John joined Lilly in 1979 as a senior organic chemist in process research and development, and he later held roles in project management, regulatory affairs, product development, and pharma operations. He serves as president of the International Federation of Pharmaceutical Manufacturers & Associations, among others.

John Lyon is president and CEO of World Hope International, a relationship-rich Christian-relief and development organization that works with vulnerable and exploited communities to alleviate poverty, suffering and worldwide injustice. During the Ebola crisis, WHI was one of the organizations funded by UK AID, USAID and UNICEF in Sierra Leone. The organization has been credited with measurably preventing the spread of Ebola in Sierra Leone and it was a key player in helping the country become Ebola free.