Gavin Rees is a boxing trainer and retired Welsh former professional boxing world champion who competed from 1998 to 2014. He held the WBA super lightweight title from 2007 to 2008 and challenged once for the WBC lightweight title in 2013. At regional level, he held the British lightweight title twice between 2010 and 2012, and the EBU European lightweight title from 2011 to 2012.

Andriy Mykolayovich Kotelnyk, best known by the Germanicised name Andreas Kotelnik, is a Ukrainian former professional boxer who competed between 2000 and 2014, and held the WBA super-lightweight title from 2008 to 2009. As an amateur boxer, he won a silver medal in the lightweight division at the 2000 Olympics.