Complex sentence: Brian Barwick is an English Rugby League administrator, current chairman of the Rugby Football League (RFL) appointed in January 2013 and the former chief executive of The Football Association having held the post from January 2005 to December 2008.
Split into simpler sentences: Brian Barwick is an English sports administrator who has served as the chairman of the Rugby Football League (RFL) since January 2013. He is a former chief executive of The Football Association, having held the post from January 2005 to December 2008.