1. The Collegial Governance of the European Commission
2. Origins and Evolution of Collegiality in the Commission
3. The Legal Sources of Collegiality Between Legal Rules and Institutional Practices
4. The Legal Nature of the Principle of Collegiality: What Kind of Principle?
5. Collegiality in the Making: The Actors on Stage and Behind the Scenes
6. Internal Decision Making and Functional Fragmentation
7. Legislative Initiative: The Revision of The Posting of Workers Directive
8. Executive Rulemaking: The Approval of Glyphosate
9. The Commission as the Watchdog of EU Law: Competition and Infringements
10. The Commission's Functions in Economic Governances
11. Collegiality: The Commission's Holy Grail.