Josef Blatter, mostly known as Sepp Blatter, (born 10 March 1936) is a Swiss association football administrator. He is best known as the 8th President of FIFA (Fédération Internationale de Football Association). He served as president from 1998 until his resignation in 2016. He replaced the popular João Havelange. His presidency ended when he was banned from FIFA on 21 December 2015. He officially left office after Gianni Infantino replaced him on 26 February 2016.