Ioannis S. "John" Coumantaros (1894–1981) was a Greek shipping and flour mills businessman.
Early life
He was the son of Stavros Coumantaros from Sparta, and had three older brothers, Theodoros, Nikolaos and Panayotis.[1] The brothers founded the Evrotas flour mills in Piraeus, and moved into shipping in 1932.[1]
Career
Ioannis ran the ships, along with his nephew Stavros Niarchos, the son of his sister,[1] Eugenie Koumantaros, who had married Spyros Niarchos.
Personal life
He married Flora Nomikos, the daughter of Peter Nomikos, from a "traditional maritime family".[1]