John Joseph Brennan By Lizzyisawesome Jan 1, 1917 Beginning of service Jan 1, 1919 end of service Jan 1, 1954 birth John Joseph Brennan was born 1913 Jan 1, 2000 John Joseph Brennan John J. Brennan has been a member of the Financial Accounting Foundation Board of Trustees since 2000 Jan 12, 2014 death He died Sunday, January 12, 2014