John Warlick McDonald (February 18, 1922 – May 17, 2019) was an American diplomat.
He was appointed to the rank of Ambassador twice by Jimmy Carter and twice by Ronald Reagan to represent the United States at various United Nations World Conferences.
From 1974–1978, he was the Deputy Director General of the International Labour Organization.
McDonald was born in Koblenz, Germany while his father was stationed with the US military.
McDonald was not able to serve in the military himself due to a childhood medical condition.
McDonald held both a B.A.
and a J.D.
degree from the University of Illinois at Urbana–Champaign, and graduated from the National War College in 1967.
After receiving his law degree, McDonald entered the U.S.
Foreign Service.
McDonald cofounded Global Water and later founded the Institute for Multi-Track Diplomacy.