Complex sentence: Ismail Ould Cheikh Ahmed (born c.1960 in Nouakchott) is a Mauritanian diplomat and politician, He is currently serves as a United Nations Special Envoy for Yemen since 2015.
Split into simpler sentences: Ismail Ould Cheikh Ahmed (born c.1960 in Nouakchott) is a Mauritanian diplomat and politician. He currently serves as a United Nations Special Envoy for Yemen since 2015.