He served as the chief executive officer of NYSE Euronext until 2014 and owner and chairman of Venezia FC.

[3][4] He served on the board of directors of the Eze Castle Software since 1981 and the Depository Trust & Clearing Corporation until 2008.

[3][4][5][1] In 2013, Niederauer was honored as Commander of the Most Excellent Order of the British Empire (CBE) for "services to the Northern Ireland economy".

[7] Niederauer is a member of G100, a private group of chief executives from the world's largest companies, and the British-American Business Council International Advisory Committee.

[4][5][1] He also serves on the Board of Trustees of his alma mater, Colgate University, where he gave the Commencement speech in 2013.