Nathan Cleverly (born 17 February 1987) is a Welsh former professional boxer who competed from 2005 to 2017.
He is a two-time light-heavyweight world champion, having held the WBO title from 2011 to 2013, and the WBA (Regular) title from 2016 to 2017.
Additionally he held multiple regional light-heavyweight championships, including the European, British, and Commonwealth titles between 2008 and 2010.
Cleverly graduated with a BSc in mathematics from Cardiff University in 2010.