Warren Edward Sach (born in 1946 Essex, England) occupied various executive roles at the United Nations, retiring in 2013 as Assistant Secretary-General for Central Support Services.
Warren Edward Sach (born in 1946 Essex, England) occupied various executive roles at the United Nations, retiring in 2013 as Assistant Secretary-General for Central Support Services. (en)
Warren Edward Sach (born in 1946 Essex, England) occupied various executive roles at the United Nations, retiring in 2013 as Assistant Secretary-General for Central Support Services. (en)