 Rudi Gutendorf

Rudolf Gutendorf (30 August 1926 – 13 September 2019) was a German football manager, renowned for managing the highest number of national teams – a total of 18 teams plus Iran's Olympic team in 1988 and the China Olympic team in 1992.Gutendorf holds a Guinness World Record for coaching 55 teams in 32 countries, across five continents.