UNITED NATIONS ( CNN ) -- Former U.S. President Clinton has been tapped as a United Nations special envoy to Haiti , a senior U.N. official said Monday . Former President Clinton has been chosen to serve as a United Nations special envoy to Haiti . An official announcement will be made Tuesday , the official said . The two-term president has traveled to Haiti on several occasions , most recently in March with his wife , Secretary of State Hillary Clinton , and U.N. Secretary-General Ban Ki Moon . At the time , the Clintons voiced optimism at Haiti 's potential because of political stability and economic growth after decades of chaos . The Caribbean country is the poorest nation in the Western Hemisphere .
Official announcement is coming Tuesday . Clinton visited nation in March with his wife and U.N. chief . It is the poorest country in the Western hemisphere .