Happy 75th birthday to the founder of STLChessClub , Rex Sinquefield!

Happy 75th birthday to the founder of STLChessClub , Rex Sinquefield!

Rex Andrew Sinquefield (/ˈsɪŋkfiːld/; born September 7, 1944) is an American financial executive who has been called an “index-fund pioneer”. He is active in Missouri politics, his two main interests being rolling back the income tax and increasing public funding for charter schools.