Mr. Rifai is Secretary-General of the World Tourism Organization (UNWTO) based in Madrid, Spain. He holds this position since 1 January 2010. He was unanimously elected at the 18th session of UNWTO General Assembly (October 2009), following the recommendation of the UNWTO Executive Council made in May 2009.
From March to December 2009 he was UNWTO Secretary-General ad interim. From February 2006 to February 2009 he was Deputy Secretary-General.
From January 2003 to February 2006, Mr. Rifai was the Assistant Director-General of the International Labour Organization (ILO).