[5] At international level, Le Guen played 17 times for France, due to injuries and he was part of the team which lost out on a trip to the 1994 FIFA World Cup, along with Eric Cantona and David Ginola.

[citation needed] Le Guen had a successful managerial career in France, most notably leading Olympique Lyonnais to three consecutive Ligue 1 titles.

[6][7] During his time at Rennes between 1998 and 2001, Le Guen was noted for signing then unknown players, such as Shabani Nonda and El Hadji Diouf, who under his guidance, developed into talented footballers.

[citation needed] Le Guen replaced Jacques Santini as manager of Olympique Lyonnais on 21 May 2002 after they captured their first league title.

[13] Le Guen signed a three-year contract[14][15] with the option to extend his stay at Ibrox,[12] and quickly acquired a number of players.

The result, the first time Rangers had been knocked out of a cup tournament by a lower league side at home,[18][19] prompted protests outside Ibrox and demands for the situation to improve.

[20] On 1 January 2007, Rangers announced that Le Guen had stripped Barry Ferguson of his captaincy of the club and dropped him from the squad for a match the following day.

[24] It was announced on 15 January 2007 that Le Guen would return to the club he once skippered as a player as first team coach replacing Guy Lacombe at Paris Saint-Germain.

[32] Both players responded well to the change with Eto'o scoring goals, and Song winning back his starting spot as the Lions qualified for the finals.

[33] Towards the end of the 2010–11 season, Le Guen claimed he had received job offers from several Ligue 1 clubs that were seeking new candidates to fill the remaining vacancies,[citation needed] but he turned them all down.

[35] Le Guen was announced as the new manager of Süper Lig team Bursaspor on 22 June 2017,[36] His first game was on 11 August 2017, a 1–0 league defeat away to İstanbul Başakşehir.

[43] Le Guen met his wife Claude during his studies for a master's degree in Economic Sciences at the University of Western Brittany in Brest.