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About: John S. Koudounis     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : schema:Person, within Data Space : dbpedia.org associated with source document(s)

Type: Thingfoaf:Personpersondul:NaturalPersonEukaryoteHomo sapiensHumanAnimalanimaleukaryotespeciesschema:Person New Facet based on Instances of this Class

John S. Koudounis is an American business executive who currently serves as president and chief executive officer for Calamos Investments. Previously he was the president and chief executive officer for Mizuho Securities USA Inc., a subsidiary of Japanese banking holding company Mizuho Financial Group He is a regular commentator for television and financial news programs including Fox Business, CNBC, CNN, Bloomberg, and others. At 44 years of age, Koudounis was the youngest CEO of any Wall Street firm when he was appointed in 2010.