Alexander Francis Herman De Croo (Vilvoorde, 3 November 1975) is a Belgian politician for Anders. (formerly Open Vld). Between October 2020 and February 2025, De Croo was Prime Minister of Belgium in the so-called Vivaldi coalition. Alexander Francis Herman De Croo (Vilvoorde, 3 November 1975) is a Belgian politician for Anders. (formerly Open Vld). Between October 2020 and February 2025, De Croo was Prime Minister of Belgium in the so-called Vivaldi coalition.