George S. Coumantaros

George Stravos Coumantaros was born on July 23, 1922, in London, United Kingdom. His father was Ioannis "John" Coumantaros and his mother, Flora Nomikos, the daughter of Peter Nomikos, a "traditional maritime family". He grew up in Greece until the outbreak of the Greco-Italian War in 1940, when he moved to Argentina with his family until 1947.

Coumantaros began his career in Buenos Aires, Argentina, where he worked for a grain trading company. He founded the Southern Star Shipping Co. in New York City in 1947. The company shipped "industrial steel, aluminum, coal, cement and petroleum" internationally. He was a member of the American Bureau of Shipping. Additionally, he was the vice chairman of the West of England Mutual Insurance Association.

Coumantaros founded Flour Mills of Nigeria in September 1960, and served as its chairman. In 1978, it became a public company listed on the Nigerian Stock Exchange. The company grows " maize, cassava, soya, sugar cane, and oil palm," and sells "rice, flour, pasta, snacks, sugar, and noodles."

Coumantaros built a brewery and a steel factory in Greece in the 1980s.

Coumantaros and his wife, Sophie Yannagas, had one son, John, and three daughters, Flora, Maria Christina and Eugenie. Sophie/Sophia was the daughter of George Yannagas from Kasos.

He was a Grand Archon of the Greek Orthodox Church, and served on the board of the Archdiocesan Cathedral of the Holy Trinity on the Upper East Side of New York City. He was an annual fellow of the Metropolitan Museum of Art in 1986–1987. He served on the board of the Goulandris Museum of Cycladic Art in Athens.

Coumantaros died on October 17, 2016, in Athens, Greece. His funeral was held in Athens and another service was held in New York City.