On June 13, 2016, Cornelie was one of 13 different international underclassmen (including one of four other Frenchmen) to enter their names for the 2016 NBA draft.

After a disappointing season, in which he averaged 4.1 points and 2.9 rebounds a game for Le Mans, Cornelie joined another Pro A club, the Levallois Metropolitans, on loan in June 2017.

[7] On June 20, 2019, Cornelie signed a deal with Élan Béarnais Pau-Orthez of the French LNB Pro A.

Under the terms of the deal, he split time between the Nuggets and their NBA G League affiliate, the Grand Rapids Gold.

[11] On July 27, 2022, Cornelie returned to Europe, signing a one-year contract with EuroLeague powerhouse Real Madrid.