[1] After receiving a public school education in Tarrytown, he took a position as a clerk in a general store at age thirteen.
[1] In 1885, Alexander became a junior clerk at the National Bank of Commerce in New York at a salary of $10 a week.
[4][5] In 1929, when the bank merged into the Guaranty Trust Company, he became chairman of the board of the combined entity.
[1] During World War I, he was a member of the Liberty Loan Committee and secretary of the Federal Reserve District.
[9] Together, they were the parents of:[1] Alexander died of a heart attack on July 16, 1932, at his home, the Drake Hotel at 440 Park Avenue in New York City.