UEL Semi-final 1st leg Olympique Marseille v Atalanta: the referee

German official Daniel Siebert has been appointed for the 1st leg game of the 2023-2024 UEFA Europa League Semi-final between Olympique de Marseille and Atalanta kicking off on Thursday, May 2 at the Orange Vélodrome stadium in Marseille at 21:00 CEST. His assistants will be Jan Seidel (GER) and Rafael Foltyn (GER), while the fourth official will be Sven Jablonski (GER); V.A.R. will be Marco Fritz (GER) and A.V.A.R. Christian Dingert (GER).