Wales have hosted games in three Rugby World Cups as the Welsh Rugby Union aided England in 1991 and France in 2007 as well as being main host in 1999.

BBC: Wales confirm World Cup bid plans

Private consultants, many of them British, have long worked on other globe-trotting events like the Commonwealth games, the Asian games, and football and rugby world cups, on contracts lasting from six months to years.

ECONOMIST: The Olympic legacy

In radio, John has anchored many major sports events including Olympic Games, World Cups (football and rugby) and several Wimbledon Championships.

BBC: John Inverdale