Warren Edward Sach (born 1946) occupied various executive roles at the United Nations, retiring in 2013 as Assistant Secretary-General for Central Support Services.
Earlier in his career, from October 1968 to September 1970, he worked as a Junior Professional Officer with the United Nations Development Programme (UNDP) in Kenya.
[1][3][2] Sach was the Chief of the Salaries and Allowance Division of the International Civil Service Commission (ICSC) from 1988 to 1995.
[1][3] He became representative of the Secretary-General for the investments of the assets of the United Nations Joint Staff Pension Fund in 2006, a position he will keep concurrently to his other responsibilities until 2013.
[1] He was appointed as United Nations Assistant Secretary-General for Central Support Services in 2008 and kept the position until his retirement in 2013.