Société wallonne des eaux (SWDE)
Jean-Marc Lietart has a background in cabinet administration, serving in various roles such as Chef de Cabinet and Directeur de Cabinet Adjoint. Currently, Jean-Marc is working as Administrateur at SWDE since September 2017. Prior to this, Jean-Marc has also held positions at the Cabinet du Premier Ministre and Cabinet du Ministre des Pensions et des Grandes villes.