sentences:  Cahill served three separate terms as the Executive Secretary of the USFA; 1913–1921, 1923–1924 and a final term in 1928.Cahill was the editor of Spalding's annual Official Soccer Football Guide from 1912 to 1924.In 1916 he became the first coach of the United States men's national soccer team, taking a team for a tour of Scandinavia.