Contrary to the dominant view in the scholarly literature on European institutions, where the European Commission is generally described as a unitary actor whose acts are primarily influenced by a political agenda and/or considerations of self-interest, this article argues that a variety of opinions coexist within the Commission staff. Based on the largest attitudinal survey ever conducted on Commission officials, it documents the existence of a sizeable minority of intergovernmentalists and analyzes their attitude towards the institution they serve and their views on its place in the integration process.