Casten is both a surname and a given name. People with the surname Casten. Richard F. Casten (born 1941), American nuclear physicist. Sean Casten, an Irish-born American entrepreneur and Democratic politician serving as the U.S. representative for Illinois's 6th congressional district. Tom Casten, American businessman known for his work on industrial energy recycling. People with the given name Casten. Casten Almqvist (born 1962), Swedish businessman. Casten Nemra (born 1971), politician in the Marshall Islands
https://en.wikipedia.org/wiki/Casten