Lille is located at about 1h from Paris by TGV.
IMT Nord Europe is located in Villeneuve d'Ascq, which can be easily reached by public transport from center Lille.
From Gare Lille Flandres: Take Métro 1, direction 4 Cantons, leave at Station Cité Scientifique, then about 20 min walk.
From Gare Lille Europe: Reach Gare Lille Flandres, either by walk (less than 10 min.), or by Métro 2, direction St Philibert and then take Métro 1 direction 4 Cantons, leave at Station Cité Scientifique, then about 20 min walk.