Born in Cavaillon, Haiti, Mr. Yvon Neptune was a candidate for the 2010 Haiti presidential election. He was appointed as prime minister under President Jean Bertrand Aristide. Neptune also served as speaker of the house.
On March 27, 2004, the provisional government banned Yvon Neptune from leaving Haiti along with 36 other senior officials of the Aristide administration, in order to more easily investigate corruption allegations. He then turned himself in on June 2004 and was held in detention withou. any charge.