Peter Piot

Peter Karel, Baron Piot, KCMG, FRCP, FMedSci (born 17 February 1949) is a Belgian microbiologist known for his research into Ebola and AIDS.

After helping discover the Ebola virus in 1976 and leading efforts to contain the first-ever recorded Ebola epidemic that same year, Piot became a pioneering researcher into AIDS.

Jonathan Karl

Jonathan Karl is an American political journalist (born 19 January 1968). Karl has covered every major beat in Washington, D.C., including the White House, Capitol Hill, the Pentagon, and the State Department, and has reported from more than 30 countries, covering U.S. politics, foreign policy, and the military. He has contributed to various ABC News programs, including Good Morning America and Nightline.

Bill Gates

William Henry Gates III(born October 28, 1955) is an American entrepreneur, software developer, investor, and philanthropist. He is best known as the co-founder of Microsoft Corporation and of the Bill and Melinda Gates foundation.