Teams and individuals in Wales have a long and proud record of success, both in world-class competitive quizzing and on TV and radio here in the UK. Listed below are a selection of their most notable achievements.
Mastermind
David Edwards – Mastermind 1990
Brian Chesney – Mastermind 2018
Brain of Britain
Iwan Thomas – Brain of Britain 2011
Mark Grant – Brain of Britain 2014, Brain of Brains 2014, Top Brain 2018
Fifteen-to-One
Gareth Kingston – Grand Final Champion (Renewal S5)
Huw Pritchard – Grand Final Champion (Renewal S6)

International
The Wales Quiz Organisation presents international caps for players selected for the Nations Cup competition at the European Quizzing Championships and Quiz Olympiad:
EQC 2005 (Tartu) – Mark Labbett, Richard Parnell, Mark Grant, Sean O’Neill
EQC 2006 (Paris) – Mark Labbett, David Edwards, Mark Grant, Richard Parnell
EQC 2007 (Blackpool) – Mark Labbett, David Edwards, Mark Grant, Richard Parnell
EQC 2008 (Oslo) – David Edwards, Gareth Kingston, Mark Grant, Sean O’Neill
EQC 2009 (Dordrecht) – David Edwards, Gareth Kingston, Mark Grant, Sean O’Neill
EQC 2010 (Derby) – David Edwards, Gareth Kingston, Mark Grant, Sean O’Neill
EQC 2011 (Bruges) – David Edwards, Gareth Kingston, Mark Grant, Iwan Thomas
EQC 2012 (Tartu) – David Edwards, Gareth Kingston, Mark Grant, Sean O’Neill
EQC 2013 (Liverpool) – Gareth Kingston, Mark Grant, David Edwards, Gareth Aubrey
EQC 2014 (Bucharest) – Gareth Kingston, Mark Grant, David Edwards, Ian Orriss
EQC 2015 (Rotterdam) – Gareth Kingston, Mark Grant, David Edwards, Ian Orriss
Quiz Olympiad 2016 (Athens) – David Edwards, Mark Grant, Gareth Kingston, Ian Orriss
EQC 2017 (Zagreb) – Mark Grant, Chris James, Ian Orriss, Gareth Kingston
EQC 2018 (Venice) – Mark Grant, Ian Orriss, Gareth Kingston, Andrew Teale
EQC 2019 (Sofia) – Mark Grant, David Edwards, Sean O’Neill, Andrew Teale