Education
Sternefeld took private lessons with Renaat Veremans and Paul Gilson at the Royal Conservatory of Flanders in Antwerp, after which he studied conducting under Frank van der Stucken. He completed his studies at the Mozarteum in Salzburg with Bernard Paumgartner, Clemens Krauss and Herbert von Karajan. In 1942, he risked his life by attending the funeral of his teacher Paul Gilson in Brussels.