Salem Hanna Khamis (Arabic: سالم حنا خميس) (November 22, 1919 – June 16, 2005) was a Palestinian economic statistician for the United Nations Food and Agriculture Organization who helped formalise the Geary-Khamis method of computing purchasing power parity of currencies.
Son of Hanna and Jamileh a Christian Palestinian family,[1] Salem Khamis was born on November 22, 1919, in Reineh village, Palestine.
In addition to his position in the United Nations, he became part-time visiting lecturer in the Mathematical Statistics Department at Columbia University.
Between 1970 and 1972 he was Director and UN Project Manager at the Institute of Statistics and Applied Economics, Makerere University, Kampala, Uganda.
[citation needed] In parallel (1976-1978), he acted in Baghdad as UN Project Manager/Chief Advisor to the Arab Institute for Training and Research in Statistics.